Input:
Sentence1: Some parasites kill their host, but most do not.
Sentence2: All parasites are harmful to their host, but some are beneficial to humans.

Output: host


Input:
Sentence1: Most organisms consume--and are consumed by--more than one species.
Sentence2: Insects are the most diverse organisms on earth, with equally diverse behavior.

Output: organisms


Input:
Sentence1: Electrical energy can be converted into kinetic energy and heat energy by an electric motor.
Sentence2: Microbial fuel cells convert chemical energy into something that can be converted into kinetic energy and heat energy by a motor.

Output: converted


Input:
Sentence1: Electrical energy can be converted into kinetic energy and heat energy by an electric motor.
Sentence2: Microbial fuel cells convert chemical energy into something that can be converted into kinetic energy and heat energy by a motor.

Output: electric


Input:
Sentence1: Electrical energy can be converted into kinetic energy and heat energy by an electric motor.
Sentence2: Microbial fuel cells convert chemical energy into something that can be converted into kinetic energy and heat energy by a motor.

Output: energy


Input:
Sentence1: Electrical energy can be converted into kinetic energy and heat energy by an electric motor.
Sentence2: Microbial fuel cells convert chemical energy into something that can be converted into kinetic energy and heat energy by a motor.

Output: heat


Input:
Sentence1: Electrical energy can be converted into kinetic energy and heat energy by an electric motor.
Sentence2: Microbial fuel cells convert chemical energy into something that can be converted into kinetic energy and heat energy by a motor.

Output: kinetic


Input:
Sentence1: Electrical energy can be converted into kinetic energy and heat energy by an electric motor.
Sentence2: Microbial fuel cells convert chemical energy into something that can be converted into kinetic energy and heat energy by a motor.

Output: motor


Input:
Sentence1: Plants use unsaturated fatty acids to store energy.
Sentence2: Plants and fish contain fatty acids.

Output: Plants


Input:
Sentence1: if the amount of available food and water decreases in an environment then animals may leave that environment to find food and water.
Sentence2: If an environment is experiencing a drought then animals may leave that environment.

Output: animals


Input:
Sentence1: if the amount of available food and water decreases in an environment then animals may leave that environment to find food and water.
Sentence2: If an environment is experiencing a drought then animals may leave that environment.

Output: environment


Input:
Sentence1: if the amount of available food and water decreases in an environment then animals may leave that environment to find food and water.
Sentence2: If an environment is experiencing a drought then animals may leave that environment.

Output: leave


Input:
Sentence1: Internal migration describes moves within a country.
Sentence2: Gene flow occurs when individuals migrate.

Output: migration


Input:
Sentence1: a scale is used for measuring weight.
Sentence2: An object's weight is the force of gravity on that object.

Output: weight


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: internal combustion engines get hot.

Output: temperature


Input:
Sentence1: heat and pressure change the remains of prehistoric living things into natural gas.
Sentence2: Evidence of prehistoric life includes many dinosaur footprints found in coal mines.

Output: living


Input:
Sentence1: heat and pressure change the remains of prehistoric living things into natural gas.
Sentence2: Evidence of prehistoric life includes many dinosaur footprints found in coal mines.

Output: prehistoric


Input:
Sentence1: heat and pressure change the remains of prehistoric living things into natural gas.
Sentence2: Evidence of prehistoric life includes many dinosaur footprints found in coal mines.

Output: things


Input:
Sentence1: satellites are used to take images from space.
Sentence2: satellites are used to take Meteorologists.

Output: satellites


Input:
Sentence1: satellites are used to take images from space.
Sentence2: satellites are used to take Meteorologists.

Output: take


Input:
Sentence1: satellites are used to take images from space.
Sentence2: satellites are used to take Meteorologists.

Output: used


Input:
Sentence1: Environments reflect native habitats.
Sentence2: conserving resources has a positive impact on native habitats.

Output: habitats


Input:
Sentence1: Environments reflect native habitats.
Sentence2: conserving resources has a positive impact on native habitats.

Output: native


Input:
Sentence1: When inside a bacterium, the spore is called an endospore .
Sentence2: bacterium are commonly found in soil and water.

Output: bacterium


Input:
Sentence1: Predators kill and eat their prey.
Sentence2: hiding helps prey avoid being eaten.

Output: prey


Input:
Sentence1: Dune grass is very important to the preservation of sand dunes.
Sentence2: dune grass prevents erosion.

Output: grass


Input:
Sentence1: Cytoplasm refers to all of the cellular material inside the plasma membrane.
Sentence2: Proteins are produced in the cytoplasm of cells.

Output: Cytoplasm


Input:
Sentence1: Mammals that are viviparous are called therian mammals.
Sentence2: By Jurassic times, mouse-sized therians with jaws and hair had evolved.

Output: therian


Input:
Sentence1: conserving water can be used for survival in a dry environment.
Sentence2: Conserving water can help humans survive.

Output: conserving


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Amphibians begin their lives in the water.

Output: Amphibians


Input:
Sentence1: When a wave is audible, it is called a sound wave .
Sentence2: Telephones are used for communication by transmitting audible waves.

Output: audible


Input:
Sentence1: When a wave is audible, it is called a sound wave .
Sentence2: Telephones are used for communication by transmitting audible waves.

Output: wave


Input:
Sentence1: Climate Forests stabilize climate.
Sentence2: forests stabilize what is generally described in terms of temperature and moisture.

Output: Forests


Input:
Sentence1: Climate Forests stabilize climate.
Sentence2: forests stabilize what is generally described in terms of temperature and moisture.

Output: stabilize


Input:
Sentence1: Shivering occurs when many muscles contract a little bit all at once.
Sentence2: Honey bees can shiver.

Output: Shivering


Input:
Sentence1: Bacteria are very small.
Sentence2: Biologists use microscopes to see bacteria.

Output: Bacteria


Input:
Sentence1: During puberty, changes in hormones and changes in thinking contribute to mood swings.
Sentence2: adolescence is a time of puberty.

Output: puberty


Input:
Sentence1: Patterns of inheritance can then be predicted.
Sentence2: pedigrees are useful tools for predicting.

Output: predicted


Input:
Sentence1: HIV infects and destroys helper T cells.
Sentence2: HIV attacks the immune system.

Output: HIV


Input:
Sentence1: a warm front causes cloudy and rainy weather.
Sentence2: Cloudy, cool, or rainy weather can cause some algae scums to die.

Output: cloudy


Input:
Sentence1: a warm front causes cloudy and rainy weather.
Sentence2: Cloudy, cool, or rainy weather can cause some algae scums to die.

Output: rainy


Input:
Sentence1: a warm front causes cloudy and rainy weather.
Sentence2: Cloudy, cool, or rainy weather can cause some algae scums to die.

Output: weather


Input:
Sentence1: Sun light is the provider of energy.
Sentence2: producers use the sun and inorganic molecules to make food.

Output: Sun


Input:
Sentence1: Bryophytes are mosses, liverworts, and hornworts.
Sentence2: hornworts occupy niches in moist habitats.

Output: hornworts


Input:
Sentence1: Plants hold nutrients in tissue.
Sentence2: Holding nutrients make up most of a plant's interior.

Output: hold


Input:
Sentence1: Plants hold nutrients in tissue.
Sentence2: Holding nutrients make up most of a plant's interior.

Output: nutrients


Input:
Sentence1: Montana's wolves are gray wolves, also known as timber wolves.
Sentence2: Montana has howling.

Output: Montana's


Input:
Sentence1: an electric stove transforms electrical energy to heat energy.
Sentence2: electric motors and stoves transform electricity.

Output: stove


Input:
Sentence1: telephones are used for communication by two people by transmitting sound.
Sentence2: telephones are used for communication by two people by transmitting signals.

Output: communication


Input:
Sentence1: telephones are used for communication by two people by transmitting sound.
Sentence2: telephones are used for communication by two people by transmitting signals.

Output: people


Input:
Sentence1: telephones are used for communication by two people by transmitting sound.
Sentence2: telephones are used for communication by two people by transmitting signals.

Output: telephones


Input:
Sentence1: telephones are used for communication by two people by transmitting sound.
Sentence2: telephones are used for communication by two people by transmitting signals.

Output: transmitting


Input:
Sentence1: telephones are used for communication by two people by transmitting sound.
Sentence2: telephones are used for communication by two people by transmitting signals.

Output: two


Input:
Sentence1: telephones are used for communication by two people by transmitting sound.
Sentence2: telephones are used for communication by two people by transmitting signals.

Output: used


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: Electricity can be converted in to light using light bulbs, and even heat by using heating coils.

Output: bulb


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: Electricity can be converted in to light using light bulbs, and even heat by using heating coils.

Output: light


Input:
Sentence1: Phytoplankton are bacteria and algae that use sunlight to make food.
Sentence2: most copepods feed on bacteria and algae that use sunlight to make food.

Output: algae


Input:
Sentence1: Phytoplankton are bacteria and algae that use sunlight to make food.
Sentence2: most copepods feed on bacteria and algae that use sunlight to make food.

Output: bacteria


Input:
Sentence1: Phytoplankton are bacteria and algae that use sunlight to make food.
Sentence2: most copepods feed on bacteria and algae that use sunlight to make food.

Output: food


Input:
Sentence1: Phytoplankton are bacteria and algae that use sunlight to make food.
Sentence2: most copepods feed on bacteria and algae that use sunlight to make food.

Output: make


Input:
Sentence1: Phytoplankton are bacteria and algae that use sunlight to make food.
Sentence2: most copepods feed on bacteria and algae that use sunlight to make food.

Output: sunlight


Input:
Sentence1: Phytoplankton are bacteria and algae that use sunlight to make food.
Sentence2: most copepods feed on bacteria and algae that use sunlight to make food.

Output: use


Input:
Sentence1: Many plants are in a dormant state in winter.
Sentence2: some plants are dormant when the days are shorter.

Output: dormant


Input:
Sentence1: an organism requires energy for growth.
Sentence2: an organism requires food for growth.

Output: an


Input:
Sentence1: an organism requires energy for growth.
Sentence2: an organism requires food for growth.

Output: for


Input:
Sentence1: an organism requires energy for growth.
Sentence2: an organism requires food for growth.

Output: growth


Input:
Sentence1: an organism requires energy for growth.
Sentence2: an organism requires food for growth.

Output: organism


Input:
Sentence1: an organism requires energy for growth.
Sentence2: an organism requires food for growth.

Output: requires


Input:
Sentence1: Mating is generally preceded by courtship.
Sentence2: Crabs appear to go through an extensive courtship behavior before mating.

Output: Mating


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: prolactin controls other endocrine glands.

Output: control


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: prolactin controls other endocrine glands.

Output: endocrine


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: prolactin controls other endocrine glands.

Output: glands


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: prolactin controls other endocrine glands.

Output: other


Input:
Sentence1: force causes the speed of an object to increase.
Sentence2: Excessive speed is dangerous.

Output: speed


Input:
Sentence1: living things all require energy for survival.
Sentence2: Sunlight is turned into energy by plants.

Output: energy


Input:
Sentence1: Animals live on the vegetation found in the biomes.
Sentence2: Animals can be found to be living in wetlands.

Output: Animals


Input:
Sentence1: mineral graphite is used for making pencil lead.
Sentence2: Diamond and graphite are made of carbon.

Output: graphite


Input:
Sentence1: Oil is a fossil fuel.
Sentence2: Gases released during the use of oil causes global warming.

Output: Oil


Input:
Sentence1: Most animals that live on rocky shores eat plankton.
Sentence2: Most animals that live on rocky shores eat nonliving organic matter.

Output: Most


Input:
Sentence1: Most animals that live on rocky shores eat plankton.
Sentence2: Most animals that live on rocky shores eat nonliving organic matter.

Output: animals


Input:
Sentence1: Most animals that live on rocky shores eat plankton.
Sentence2: Most animals that live on rocky shores eat nonliving organic matter.

Output: eat


Input:
Sentence1: Most animals that live on rocky shores eat plankton.
Sentence2: Most animals that live on rocky shores eat nonliving organic matter.

Output: live


Input:
Sentence1: Most animals that live on rocky shores eat plankton.
Sentence2: Most animals that live on rocky shores eat nonliving organic matter.

Output: rocky


Input:
Sentence1: Most animals that live on rocky shores eat plankton.
Sentence2: Most animals that live on rocky shores eat nonliving organic matter.

Output: shores


Input:
Sentence1: Most animals that live on rocky shores eat plankton.
Sentence2: Most animals that live on rocky shores eat nonliving organic matter.

Output: that


Input:
Sentence1: plant requires seed dispersal for reproduction.
Sentence2: Seeds are dispersed by animals.

Output: dispersal


Input:
Sentence1: plant requires seed dispersal for reproduction.
Sentence2: Seeds are dispersed by animals.

Output: seed


Input:
Sentence1: Kidney failure may be treated with dialysis.
Sentence2: Dialysis is the mechanical process of cleaning the blood.

Output: dialysis


Input:
Sentence1: Antibiotics have no effect on viruses.
Sentence2: antibiotics have no effect on HIV.

Output: Antibiotics


Input:
Sentence1: Antibiotics have no effect on viruses.
Sentence2: antibiotics have no effect on HIV.

Output: effect


Input:
Sentence1: Antibiotics have no effect on viruses.
Sentence2: antibiotics have no effect on HIV.

Output: no


Input:
Sentence1: HCl is a strong acid.
Sentence2: HCl changes the color of litmus paper from blue to red.

Output: HCl


Input:
Sentence1: Lymphocytes are the key cells involved in the immune response.
Sentence2: Antibodies are synthesised by lymphocytes.

Output: Lymphocytes


Input:
Sentence1: Many animals rely on sounds to communicate to others in their species.
Sentence2: many species rely on sound.

Output: rely


Input:
Sentence1: Well, the elbow is a hinged joint.
Sentence2: Triceps contracting causes a person 's hinged joint to straighten.

Output: hinged


Input:
Sentence1: Well, the elbow is a hinged joint.
Sentence2: Triceps contracting causes a person 's hinged joint to straighten.

Output: joint


Input:
Sentence1: Grapevines are woody deciduous plants.
Sentence2: Grapevines are plants that shed their leaves seasonally.

Output: Grapevines


Input:
Sentence1: Evolution is a change in the characteristics of living things over time.
Sentence2: the process of adaptation is a change in the characteristics of living things over time.

Output: change


Input:
Sentence1: Evolution is a change in the characteristics of living things over time.
Sentence2: the process of adaptation is a change in the characteristics of living things over time.

Output: characteristics


Input:
Sentence1: Evolution is a change in the characteristics of living things over time.
Sentence2: the process of adaptation is a change in the characteristics of living things over time.

Output: living


Input:
Sentence1: Evolution is a change in the characteristics of living things over time.
Sentence2: the process of adaptation is a change in the characteristics of living things over time.

Output: over


Input:
Sentence1: Evolution is a change in the characteristics of living things over time.
Sentence2: the process of adaptation is a change in the characteristics of living things over time.

Output: things


Input:
Sentence1: Evolution is a change in the characteristics of living things over time.
Sentence2: the process of adaptation is a change in the characteristics of living things over time.

Output: time


Input:
Sentence1: To couple in sexual union, to be matched or mated.
Sentence2: Most salamanders find sexual partners by their sense of smell.

Output: sexual


Input:
Sentence1: Female gametophytes produce eggs inside the ovaries of flowers.
Sentence2: All gametophytes are haploid.

Output: gametophytes


Input:
Sentence1: global warming is when worldwide temperature increases.
Sentence2: Ozone depletion causes global warming.

Output: global


Input:
Sentence1: global warming is when worldwide temperature increases.
Sentence2: Ozone depletion causes global warming.

Output: warming


Input:
Sentence1: Marine biomes are found in the salt water of the ocean.
Sentence2: coral reefs are found in salt water of ocean.

Output: ocean


Input:
Sentence1: Marine biomes are found in the salt water of the ocean.
Sentence2: coral reefs are found in salt water of ocean.

Output: salt


Input:
Sentence1: Marine biomes are found in the salt water of the ocean.
Sentence2: coral reefs are found in salt water of ocean.

Output: water


Input:
Sentence1: breathing is when a gill converts from oxygen in water into oxygen in blood.
Sentence2: breathing is when a gill converts from oxygen in water into Hemoglobin.

Output: breathing


Input:
Sentence1: breathing is when a gill converts from oxygen in water into oxygen in blood.
Sentence2: breathing is when a gill converts from oxygen in water into Hemoglobin.

Output: converts


Input:
Sentence1: breathing is when a gill converts from oxygen in water into oxygen in blood.
Sentence2: breathing is when a gill converts from oxygen in water into Hemoglobin.

Output: gill


Input:
Sentence1: breathing is when a gill converts from oxygen in water into oxygen in blood.
Sentence2: breathing is when a gill converts from oxygen in water into Hemoglobin.

Output: oxygen


Input:
Sentence1: breathing is when a gill converts from oxygen in water into oxygen in blood.
Sentence2: breathing is when a gill converts from oxygen in water into Hemoglobin.

Output: water


Input:
Sentence1: breathing is when a gill converts from oxygen in water into oxygen in blood.
Sentence2: breathing is when a gill converts from oxygen in water into Hemoglobin.

Output: when


Input:
Sentence1: the type of material through which sound passes changes the speed at which sound travels.
Sentence2: the type of material through which waves passes changes the speed at which waves move.

Output: changes


Input:
Sentence1: the type of material through which sound passes changes the speed at which sound travels.
Sentence2: the type of material through which waves passes changes the speed at which waves move.

Output: material


Input:
Sentence1: the type of material through which sound passes changes the speed at which sound travels.
Sentence2: the type of material through which waves passes changes the speed at which waves move.

Output: passes


Input:
Sentence1: the type of material through which sound passes changes the speed at which sound travels.
Sentence2: the type of material through which waves passes changes the speed at which waves move.

Output: speed


Input:
Sentence1: the type of material through which sound passes changes the speed at which sound travels.
Sentence2: the type of material through which waves passes changes the speed at which waves move.

Output: type


Input:
Sentence1: Antigens are found on cancer cells and the cells of transplanted organs.
Sentence2: transplanted organs can trigger an immune response.

Output: organs


Input:
Sentence1: Antigens are found on cancer cells and the cells of transplanted organs.
Sentence2: transplanted organs can trigger an immune response.

Output: transplanted


Input:
Sentence1: Annelids are worms such as the familiar earthworm.
Sentence2: Earthworms have some of the fastest reflexes in the animal kingdom.

Output: earthworm


Input:
Sentence1: ink is used for hiding from predators by octopuses.
Sentence2: Squids and octopuses reproduce sexually.

Output: octopuses


Input:
Sentence1: Landslides indicate unstable terrain.
Sentence2: erosion can cause unstable terrain.

Output: terrain


Input:
Sentence1: Landslides indicate unstable terrain.
Sentence2: erosion can cause unstable terrain.

Output: unstable


Input:
Sentence1: Shallow tropical waters are remarkable places.
Sentence2: corals form large colonies in remarkable places.

Output: places


Input:
Sentence1: Shallow tropical waters are remarkable places.
Sentence2: corals form large colonies in remarkable places.

Output: remarkable


Input:
Sentence1: Cold weather, it is winter and it is snowing.
Sentence2: Polar bears require a winter environment with snow.

Output: snowing


Input:
Sentence1: Cold weather, it is winter and it is snowing.
Sentence2: Polar bears require a winter environment with snow.

Output: winter


Input:
Sentence1: dew is formed when water vapor condenses over night.
Sentence2: When water vapor condenses overnight, the temperature has reached the dew point.

Output: condenses


Input:
Sentence1: dew is formed when water vapor condenses over night.
Sentence2: When water vapor condenses overnight, the temperature has reached the dew point.

Output: night


Input:
Sentence1: dew is formed when water vapor condenses over night.
Sentence2: When water vapor condenses overnight, the temperature has reached the dew point.

Output: over


Input:
Sentence1: dew is formed when water vapor condenses over night.
Sentence2: When water vapor condenses overnight, the temperature has reached the dew point.

Output: vapor


Input:
Sentence1: dew is formed when water vapor condenses over night.
Sentence2: When water vapor condenses overnight, the temperature has reached the dew point.

Output: water


Input:
Sentence1: pushing on the pedals of a bike cause that bike to move.
Sentence2: Bike shoes allow a rider to pull during the whole pedal stroke.

Output: pedals


Input:
Sentence1: Fingernails prevent injury by forming protective plates over the ends of the fingers.
Sentence2: Something made of keratin prevents injury by forming protective plates.

Output: forming


Input:
Sentence1: Fingernails prevent injury by forming protective plates over the ends of the fingers.
Sentence2: Something made of keratin prevents injury by forming protective plates.

Output: injury


Input:
Sentence1: Fingernails prevent injury by forming protective plates over the ends of the fingers.
Sentence2: Something made of keratin prevents injury by forming protective plates.

Output: plates


Input:
Sentence1: Fingernails prevent injury by forming protective plates over the ends of the fingers.
Sentence2: Something made of keratin prevents injury by forming protective plates.

Output: prevent


Input:
Sentence1: Fingernails prevent injury by forming protective plates over the ends of the fingers.
Sentence2: Something made of keratin prevents injury by forming protective plates.

Output: protective


Input:
Sentence1: Water is essential for all life on Earth.
Sentence2: Water that becomes polluted is unsafe and can destroy life.

Output: life


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: Dogs are social animals, but they have an acute sense of smell.

Output: animal


Input:
Sentence1: Experiments are often done in a lab.
Sentence2: UWM's Computer Science labs and facilities are located here.

Output: lab


Input:
Sentence1: Acids and bases are electrolytes.
Sentence2: Cells secrete electrolytes to maintain the proper pH for enzymes to work.

Output: electrolytes


Input:
Sentence1: Lipids may consist of fatty acids alone, or they may contain other molecules as well.
Sentence2: Lipids Lipids are also composed of carbon, oxygen and hydrogen.

Output: Lipids


Input:
Sentence1: webbed feet are used for moving faster through water by aquatic animals.
Sentence2: Ducks can move fast through water.

Output: faster


Input:
Sentence1: webbed feet are used for moving faster through water by aquatic animals.
Sentence2: Ducks can move fast through water.

Output: through


Input:
Sentence1: webbed feet are used for moving faster through water by aquatic animals.
Sentence2: Ducks can move fast through water.

Output: water


Input:
Sentence1: coal is used to produce electricity by burning in coal-fire power stations.
Sentence2: coal is used to produce energy by burning in coal-fire power stations.

Output: burning


Input:
Sentence1: coal is used to produce electricity by burning in coal-fire power stations.
Sentence2: coal is used to produce energy by burning in coal-fire power stations.

Output: coal


Input:
Sentence1: coal is used to produce electricity by burning in coal-fire power stations.
Sentence2: coal is used to produce energy by burning in coal-fire power stations.

Output: coal-fire


Input:
Sentence1: coal is used to produce electricity by burning in coal-fire power stations.
Sentence2: coal is used to produce energy by burning in coal-fire power stations.

Output: power


Input:
Sentence1: coal is used to produce electricity by burning in coal-fire power stations.
Sentence2: coal is used to produce energy by burning in coal-fire power stations.

Output: produce


Input:
Sentence1: coal is used to produce electricity by burning in coal-fire power stations.
Sentence2: coal is used to produce energy by burning in coal-fire power stations.

Output: stations


Input:
Sentence1: Of all nature's disasters, forest fires are often considered the most frightening.
Sentence2: Forest fires can cause animals to leave an environment.

Output: fires


Input:
Sentence1: Of all nature's disasters, forest fires are often considered the most frightening.
Sentence2: Forest fires can cause animals to leave an environment.

Output: forest


Input:
Sentence1: healing requires rest.
Sentence2: Healing requires a sound sleep.

Output: healing


Input:
Sentence1: healing requires rest.
Sentence2: Healing requires a sound sleep.

Output: requires


Input:
Sentence1: The fact is that ice seldom freezes or thaws at a uniform rate.
Sentence2: ice wedging happens at varying rates.

Output: rate


Input:
Sentence1: dew is formed when water vapor condenses over night.
Sentence2: Dew is formed when vapor changes to liquid.

Output: dew


Input:
Sentence1: dew is formed when water vapor condenses over night.
Sentence2: Dew is formed when vapor changes to liquid.

Output: formed


Input:
Sentence1: Thermal conduction removes heat from the center.
Sentence2: when a cooler object touches a warmer object, heat is removed from the center.

Output: center


Input:
Sentence1: Thermal conduction removes heat from the center.
Sentence2: when a cooler object touches a warmer object, heat is removed from the center.

Output: heat


Input:
Sentence1: Thermal conduction removes heat from the center.
Sentence2: when a cooler object touches a warmer object, heat is removed from the center.

Output: removes


Input:
Sentence1: Electricity can give the opener a shock.
Sentence2: completing a circuit can give someone a shock.

Output: shock


Input:
Sentence1: Fertilization of gametes produces a diploid zygote.
Sentence2: After fertilization of gametes it undergoes cell division to become an embryo.

Output: Fertilization


Input:
Sentence1: Cartilage is a tough tissue that contains a protein called collagen.
Sentence2: Sharks have as skeleton that contains a protein called collagen.

Output: called


Input:
Sentence1: Cartilage is a tough tissue that contains a protein called collagen.
Sentence2: Sharks have as skeleton that contains a protein called collagen.

Output: collagen


Input:
Sentence1: Cartilage is a tough tissue that contains a protein called collagen.
Sentence2: Sharks have as skeleton that contains a protein called collagen.

Output: contains


Input:
Sentence1: Cartilage is a tough tissue that contains a protein called collagen.
Sentence2: Sharks have as skeleton that contains a protein called collagen.

Output: protein


Input:
Sentence1: Clams and oysters are examples of bivalves.
Sentence2: Clams and oysters feed on plankton.

Output: Clams


Input:
Sentence1: Clams and oysters are examples of bivalves.
Sentence2: Clams and oysters feed on plankton.

Output: oysters


Input:
Sentence1: keeping food cold is used for keeping food fresh.
Sentence2: Keeping food cold is used to keep food simple and natural as possible.

Output: cold


Input:
Sentence1: keeping food cold is used for keeping food fresh.
Sentence2: Keeping food cold is used to keep food simple and natural as possible.

Output: food


Input:
Sentence1: keeping food cold is used for keeping food fresh.
Sentence2: Keeping food cold is used to keep food simple and natural as possible.

Output: keeping


Input:
Sentence1: Carbon Monoxide Carbon monoxide is a health hazard.
Sentence2: Furnaces and other devices that burn fuel are health hazards.

Output: hazard


Input:
Sentence1: Carbon Monoxide Carbon monoxide is a health hazard.
Sentence2: Furnaces and other devices that burn fuel are health hazards.

Output: health


Input:
Sentence1: Animals, plants, fungi and protists are eukaryotes.
Sentence2: Slime molds found on rotting logs are eukaryotes.

Output: eukaryotes


Input:
Sentence1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells.
Sentence2: abnormal cells can divide uncontrollably.

Output: divide


Input:
Sentence1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells.
Sentence2: abnormal cells can divide uncontrollably.

Output: uncontrollably


Input:
Sentence1: Feathers help birds fly and provide insulation.
Sentence2: Penguins rely on their feathers for insulation.

Output: insulation


Input:
Sentence1: magnetism can cause objects to repel each other.
Sentence2: Michael Faraday discovered that a magnetic field can generate an electric current.

Output: magnetism


Input:
Sentence1: Bivalves feed on plankton and nonliving organic matter.
Sentence2: Clams and oysters feed on plankton and nonliving organic matter.

Output: feed


Input:
Sentence1: Bivalves feed on plankton and nonliving organic matter.
Sentence2: Clams and oysters feed on plankton and nonliving organic matter.

Output: matter


Input:
Sentence1: Bivalves feed on plankton and nonliving organic matter.
Sentence2: Clams and oysters feed on plankton and nonliving organic matter.

Output: nonliving


Input:
Sentence1: Bivalves feed on plankton and nonliving organic matter.
Sentence2: Clams and oysters feed on plankton and nonliving organic matter.

Output: on


Input:
Sentence1: Bivalves feed on plankton and nonliving organic matter.
Sentence2: Clams and oysters feed on plankton and nonliving organic matter.

Output: organic


Input:
Sentence1: Bivalves feed on plankton and nonliving organic matter.
Sentence2: Clams and oysters feed on plankton and nonliving organic matter.

Output: plankton


Input:
Sentence1: Some, such as the green algae, are plants.
Sentence2: plants have varied life cycles.

Output: plants


Input:
Sentence1: Beavers are primarily aquatic animals.
Sentence2: Beavers require great amounts of water to survive.

Output: Beavers


Input:
Sentence1: Combustion generates toxic fumes.
Sentence2: High temperatures can cause toxic fumes.

Output: fumes


Input:
Sentence1: Combustion generates toxic fumes.
Sentence2: High temperatures can cause toxic fumes.

Output: toxic


Input:
Sentence1: an egg requires warmth to survive.
Sentence2: An egg will hatch if it survives.

Output: egg


Input:
Sentence1: an egg requires warmth to survive.
Sentence2: An egg will hatch if it survives.

Output: survive


Input:
Sentence1: hiding can be used for avoiding predators.
Sentence2: By avoiding outside weather extremes, the unit's life span is expanded.

Output: avoiding


Input:
Sentence1: condensation causes clouds to form.
Sentence2: Clouds bring rain and shade.

Output: clouds


Input:
Sentence1: Orchids often have fleshy pods and waxy leaves which can store water.
Sentence2: Orchids keep water in their leaves.

Output: Orchids


Input:
Sentence1: a flower 's purpose is to produce seeds.
Sentence2: A flower's purpose is to make new plants.

Output: 's


Input:
Sentence1: a flower 's purpose is to produce seeds.
Sentence2: A flower's purpose is to make new plants.

Output: a


Input:
Sentence1: a flower 's purpose is to produce seeds.
Sentence2: A flower's purpose is to make new plants.

Output: flower


Input:
Sentence1: a flower 's purpose is to produce seeds.
Sentence2: A flower's purpose is to make new plants.

Output: purpose


Input:
Sentence1: a pan is used for cooking food by heating food in it on a stove.
Sentence2: Healthful Meals Eat a grain food at every meal .

Output: food


Input:
Sentence1: Parasites are organisms that live off a host.
Sentence2: roundworms may be free-living or live off a host.

Output: host


Input:
Sentence1: Parasites are organisms that live off a host.
Sentence2: roundworms may be free-living or live off a host.

Output: live


Input:
Sentence1: Parasites are organisms that live off a host.
Sentence2: roundworms may be free-living or live off a host.

Output: off


Input:
Sentence1: Carbon cycles quickly between organisms and the atmosphere.
Sentence2: the atmosphere is essential to all living organisms.

Output: organisms


Input:
Sentence1: when an animal moves , chemical energy is converted to mechanical energy.
Sentence2: Animals are inefficient energy converters.

Output: converted


Input:
Sentence1: Plants are also the oldest living things.
Sentence2: reproduction is the process by which plants give rise to offspring.

Output: Plants


Input:
Sentence1: animals require water for survival.
Sentence2: In order to survive, animals require hydration of their cells.

Output: animals


Input:
Sentence1: animals require water for survival.
Sentence2: In order to survive, animals require hydration of their cells.

Output: require


Input:
Sentence1: animals require water for survival.
Sentence2: In order to survive, animals require hydration of their cells.

Output: survival


Input:
Sentence1: Weights A measure of the heaviness or mass of an object is the object's weight.
Sentence2: An item's weight causes its gravitational force.

Output: weight


Input:
Sentence1: Direct sunlight increases temperature and evaporation rates at the soil and leaf surfaces.
Sentence2: the temperature of the soil of a hemisphere cools down when tilted away from the sun.

Output: temperature


Input:
Sentence1: living things all require energy for survival.
Sentence2: Living things all require food.

Output: living


Input:
Sentence1: living things all require energy for survival.
Sentence2: Living things all require food.

Output: require


Input:
Sentence1: living things all require energy for survival.
Sentence2: Living things all require food.

Output: things


Input:
Sentence1: satellites are used to take images from space.
Sentence2: Meteorologists rely on satellites for data.

Output: satellites


Input:
Sentence1: building housing developments usually requires replacing animal habitats.
Sentence2: Habitat Hairy-nosed wombats are terrestrial and build burrows.

Output: habitats


Input:
Sentence1: conserving water can be used for survival in a dry environment.
Sentence2: Many plants have developed unique leaf adaptations in order to conserve water.

Output: conserving


Input:
Sentence1: conserving water can be used for survival in a dry environment.
Sentence2: Many plants have developed unique leaf adaptations in order to conserve water.

Output: water


Input:
Sentence1: Amphibians are the first true tetrapods, or vertebrates with four limbs.
Sentence2: Amphibians with four limbs are more advanced than fish.

Output: Amphibians


Input:
Sentence1: Amphibians are the first true tetrapods, or vertebrates with four limbs.
Sentence2: Amphibians with four limbs are more advanced than fish.

Output: four


Input:
Sentence1: Amphibians are the first true tetrapods, or vertebrates with four limbs.
Sentence2: Amphibians with four limbs are more advanced than fish.

Output: limbs


Input:
Sentence1: Bacteria are said to be prokaryotes .
Sentence2: Bacteria are single-celled organisms that lack a nucleus.

Output: Bacteria


Input:
Sentence1: Growth is faster during infancy than it is during puberty.
Sentence2: Adolescence is the period of transition between puberty and adulthood.

Output: puberty


Input:
Sentence1: a warm front causes cloudy and rainy weather.
Sentence2: Winds are calm and skies are clear or partly cloudy when the eye of a storm passes.

Output: cloudy


Input:
Sentence1: Wind belts arise because of the uneven heating of Earth s surface by the Sun.
Sentence2: Uneven heating by the Sun causes wind.

Output: Sun


Input:
Sentence1: Wind belts arise because of the uneven heating of Earth s surface by the Sun.
Sentence2: Uneven heating by the Sun causes wind.

Output: by


Input:
Sentence1: Wind belts arise because of the uneven heating of Earth s surface by the Sun.
Sentence2: Uneven heating by the Sun causes wind.

Output: heating


Input:
Sentence1: Wind belts arise because of the uneven heating of Earth s surface by the Sun.
Sentence2: Uneven heating by the Sun causes wind.

Output: the


Input:
Sentence1: Wind belts arise because of the uneven heating of Earth s surface by the Sun.
Sentence2: Uneven heating by the Sun causes wind.

Output: uneven


Input:
Sentence1: Plants use sunlight to make energy.
Sentence2: Most ecosystems get energy from plants.

Output: Plants


Input:
Sentence1: Some viruses live in a dormant state inside the body.
Sentence2: When inactive or dormant, Dendrobiums require little or no fertilizer.

Output: dormant


Input:
Sentence1: hitting an object causes the particles in that object to vibrate.
Sentence2: hitting an object causes Sounds.

Output: an


Input:
Sentence1: hitting an object causes the particles in that object to vibrate.
Sentence2: hitting an object causes Sounds.

Output: causes


Input:
Sentence1: hitting an object causes the particles in that object to vibrate.
Sentence2: hitting an object causes Sounds.

Output: hitting


Input:
Sentence1: hitting an object causes the particles in that object to vibrate.
Sentence2: hitting an object causes Sounds.

Output: object


Input:
Sentence1: Mating is generally preceded by courtship.
Sentence2: Mating is generally similar across species.

Output: Mating


Input:
Sentence1: Mating is generally preceded by courtship.
Sentence2: Mating is generally similar across species.

Output: generally


Input:
Sentence1: Cancer cells divide more often than normal cells, and grow out of control.
Sentence2: homeless cells grow out of control.

Output: control


Input:
Sentence1: Cancer cells divide more often than normal cells, and grow out of control.
Sentence2: homeless cells grow out of control.

Output: grow


Input:
Sentence1: Cancer cells divide more often than normal cells, and grow out of control.
Sentence2: homeless cells grow out of control.

Output: out


Input:
Sentence1: an anemometer is used to measure wind speed.
Sentence2: Forecast changes in wind speed and direction at 850 mb should be used in formulating forecasts of surface winds for the narrative fire weather forecast and the point forecast for Finney Creek.

Output: speed


Input:
Sentence1: an anemometer is used to measure wind speed.
Sentence2: Forecast changes in wind speed and direction at 850 mb should be used in formulating forecasts of surface winds for the narrative fire weather forecast and the point forecast for Finney Creek.

Output: wind


Input:
Sentence1: a flashlight converts chemical energy into light energy.
Sentence2: Light energy can become heat energy and heat energy can become light energy.

Output: energy


Input:
Sentence1: a flashlight converts chemical energy into light energy.
Sentence2: Light energy can become heat energy and heat energy can become light energy.

Output: light


Input:
Sentence1: Animals that eat other animals are called predators .
Sentence2: Animals that eat other animals can be cartilaginous fish.

Output: Animals


Input:
Sentence1: Animals that eat other animals are called predators .
Sentence2: Animals that eat other animals can be cartilaginous fish.

Output: animals


Input:
Sentence1: Animals that eat other animals are called predators .
Sentence2: Animals that eat other animals can be cartilaginous fish.

Output: eat


Input:
Sentence1: Animals that eat other animals are called predators .
Sentence2: Animals that eat other animals can be cartilaginous fish.

Output: other


Input:
Sentence1: mineral graphite is used for making pencil lead.
Sentence2: Mineral graphite, the softest mineral, is actually the lead in pencils.

Output: graphite


Input:
Sentence1: Oil is one type of fossil fuel.
Sentence2: oil is formed from dead organisms over time.

Output: Oil


Input:
Sentence1: Most hormones are regulated by feedback mechanisms.
Sentence2: Most hormones are regulated by necessarily controlling uncertainty.

Output: Most


Input:
Sentence1: Most hormones are regulated by feedback mechanisms.
Sentence2: Most hormones are regulated by necessarily controlling uncertainty.

Output: hormones


Input:
Sentence1: Most hormones are regulated by feedback mechanisms.
Sentence2: Most hormones are regulated by necessarily controlling uncertainty.

Output: regulated


Input:
Sentence1: seed dispersal has a positive impact on a plant.
Sentence2: Seed dispersal has a positive impact on flowering and yield.

Output: dispersal


Input:
Sentence1: seed dispersal has a positive impact on a plant.
Sentence2: Seed dispersal has a positive impact on flowering and yield.

Output: has


Input:
Sentence1: seed dispersal has a positive impact on a plant.
Sentence2: Seed dispersal has a positive impact on flowering and yield.

Output: impact


Input:
Sentence1: seed dispersal has a positive impact on a plant.
Sentence2: Seed dispersal has a positive impact on flowering and yield.

Output: positive


Input:
Sentence1: seed dispersal has a positive impact on a plant.
Sentence2: Seed dispersal has a positive impact on flowering and yield.

Output: seed


Input:
Sentence1: Lymphocytes are the key cells involved in the immune response.
Sentence2: B lymphocytes produce antibodies .

Output: Lymphocytes


Input:
Sentence1: Evolution occurs in response to a change in the environment.
Sentence2: Extinction can occur in response to change in environment.

Output: change


Input:
Sentence1: Evolution occurs in response to a change in the environment.
Sentence2: Extinction can occur in response to change in environment.

Output: environment


Input:
Sentence1: Evolution occurs in response to a change in the environment.
Sentence2: Extinction can occur in response to change in environment.

Output: in


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Adoption of geothermal energy to produce electricity can reduce global warming.

Output: global


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Adoption of geothermal energy to produce electricity can reduce global warming.

Output: warming


Input:
Sentence1: Blood pH may become unbalanced if the rate of breathing is too fast or too slow.
Sentence2: Rate of breathing being too fast or too slow can lead to alkalosis.

Output: breathing


Input:
Sentence1: Blood pH may become unbalanced if the rate of breathing is too fast or too slow.
Sentence2: Rate of breathing being too fast or too slow can lead to alkalosis.

Output: fast


Input:
Sentence1: Blood pH may become unbalanced if the rate of breathing is too fast or too slow.
Sentence2: Rate of breathing being too fast or too slow can lead to alkalosis.

Output: rate


Input:
Sentence1: Blood pH may become unbalanced if the rate of breathing is too fast or too slow.
Sentence2: Rate of breathing being too fast or too slow can lead to alkalosis.

Output: slow


Input:
Sentence1: Blood pH may become unbalanced if the rate of breathing is too fast or too slow.
Sentence2: Rate of breathing being too fast or too slow can lead to alkalosis.

Output: too


Input:
Sentence1: a wildfire changes an ecosystem drastically.
Sentence2: The West experiences drastic changes to its ecosystem.

Output: changes


Input:
Sentence1: a wildfire changes an ecosystem drastically.
Sentence2: The West experiences drastic changes to its ecosystem.

Output: drastically


Input:
Sentence1: a wildfire changes an ecosystem drastically.
Sentence2: The West experiences drastic changes to its ecosystem.

Output: ecosystem


Input:
Sentence1: Adult worms go through a major transformation to develop reproductive organs.
Sentence2: An enlarged cummerbund-like band near the worm's head holds the reproductive organs.

Output: organs


Input:
Sentence1: Adult worms go through a major transformation to develop reproductive organs.
Sentence2: An enlarged cummerbund-like band near the worm's head holds the reproductive organs.

Output: reproductive


Input:
Sentence1: Annelids are worms such as the familiar earthworm.
Sentence2: The familiar earthworm has a segmented body.

Output: earthworm


Input:
Sentence1: Annelids are worms such as the familiar earthworm.
Sentence2: The familiar earthworm has a segmented body.

Output: familiar


Input:
Sentence1: ink is used for hiding from predators by octopuses.
Sentence2: Octopuses eat small crabs.

Output: octopuses


Input:
Sentence1: dew is formed when water vapor condenses over night.
Sentence2: Condensing is a gas turning into a liquid.

Output: condenses


Input:
Sentence1: pushing on the pedals of a bike cause that bike to move.
Sentence2: Well, when riding a bike, human power is used to turn the pedals.

Output: pedals


Input:
Sentence1: Deposition landforms also occur forming stalactites and stalagmites .
Sentence2: Erosion contributes to forming stalactites and stalagmites.

Output: forming


Input:
Sentence1: Deposition landforms also occur forming stalactites and stalagmites .
Sentence2: Erosion contributes to forming stalactites and stalagmites.

Output: stalactites


Input:
Sentence1: Deposition landforms also occur forming stalactites and stalagmites .
Sentence2: Erosion contributes to forming stalactites and stalagmites.

Output: stalagmites


Input:
Sentence1: if a planet becomes too hot then that planet cannot sustain life.
Sentence2: too much sunlight cannot sustain life.

Output: life


Input:
Sentence1: if a planet becomes too hot then that planet cannot sustain life.
Sentence2: too much sunlight cannot sustain life.

Output: sustain


Input:
Sentence1: Adaptation traits contribute to individual fitness and to the evolution of animal genetic resources.
Sentence2: Behaviors can improve the evolution of animal genetic resources.

Output: animal


Input:
Sentence1: Adaptation traits contribute to individual fitness and to the evolution of animal genetic resources.
Sentence2: Behaviors can improve the evolution of animal genetic resources.

Output: evolution


Input:
Sentence1: Adaptation traits contribute to individual fitness and to the evolution of animal genetic resources.
Sentence2: Behaviors can improve the evolution of animal genetic resources.

Output: genetic


Input:
Sentence1: Adaptation traits contribute to individual fitness and to the evolution of animal genetic resources.
Sentence2: Behaviors can improve the evolution of animal genetic resources.

Output: resources


Input:
Sentence1: a light bulb requires electrical energy to produce light.
Sentence2: Bulbs require electrical energy to see in darkness.

Output: bulb


Input:
Sentence1: a light bulb requires electrical energy to produce light.
Sentence2: Bulbs require electrical energy to see in darkness.

Output: electrical


Input:
Sentence1: a light bulb requires electrical energy to produce light.
Sentence2: Bulbs require electrical energy to see in darkness.

Output: energy


Input:
Sentence1: a light bulb requires electrical energy to produce light.
Sentence2: Bulbs require electrical energy to see in darkness.

Output: requires


Input:
Sentence1: Experiments are often done in a lab.
Sentence2: Trial runs are often done in labs.

Output: lab


Input:
Sentence1: Softer melt point wax is used to produce an even burning candle.
Sentence2: Heat allows candles to burn and wax to melt.

Output: burning


Input:
Sentence1: Softer melt point wax is used to produce an even burning candle.
Sentence2: Heat allows candles to burn and wax to melt.

Output: candle


Input:
Sentence1: Softer melt point wax is used to produce an even burning candle.
Sentence2: Heat allows candles to burn and wax to melt.

Output: wax


Input:
Sentence1: healing requires rest.
Sentence2: healing requires time.

Output: healing


Input:
Sentence1: dew is formed when water vapor condenses over night.
Sentence2: Rocks and grasses glisten with dew.

Output: dew


Input:
Sentence1: Each endocrine gland is an integrating center.
Sentence2: Most pituitary hormones control integrating centers.

Output: center


Input:
Sentence1: Each endocrine gland is an integrating center.
Sentence2: Most pituitary hormones control integrating centers.

Output: integrating


Input:
Sentence1: Fertilization occurs when sperm swim to an egg inside an archegonium.
Sentence2: fertilization requires water.

Output: Fertilization


Input:
Sentence1: Clams are mollusks that live in the sea or in freshwater.
Sentence2: clams live in most terrestrial, freshwater, and marine habitats.

Output: Clams


Input:
Sentence1: a greenhouse is used to protect plants from the cold.
Sentence2: A greenhouse is used to protect flowers from the cold.

Output: cold


Input:
Sentence1: a greenhouse is used to protect plants from the cold.
Sentence2: A greenhouse is used to protect flowers from the cold.

Output: greenhouse


Input:
Sentence1: a greenhouse is used to protect plants from the cold.
Sentence2: A greenhouse is used to protect flowers from the cold.

Output: protect


Input:
Sentence1: Animals are a kingdom of multicellular eukaryotes.
Sentence2: All plants are eukaryotes.

Output: eukaryotes


Input:
Sentence1: Cells are programmed to divide only a set number of times.
Sentence2: Cells reproduce asexually, by dividing.

Output: divide


Input:
Sentence1: magnetism can cause objects to repel each other.
Sentence2: Electrical currents cause magnetic fields.

Output: magnetism


Input:
Sentence1: Bivalves feed on plankton and nonliving organic matter.
Sentence2: Clams feed on plankton and nonliving organic matter.

Output: feed


Input:
Sentence1: Bivalves feed on plankton and nonliving organic matter.
Sentence2: Clams feed on plankton and nonliving organic matter.

Output: matter


Input:
Sentence1: Bivalves feed on plankton and nonliving organic matter.
Sentence2: Clams feed on plankton and nonliving organic matter.

Output: nonliving


Input:
Sentence1: Bivalves feed on plankton and nonliving organic matter.
Sentence2: Clams feed on plankton and nonliving organic matter.

Output: organic


Input:
Sentence1: Bivalves feed on plankton and nonliving organic matter.
Sentence2: Clams feed on plankton and nonliving organic matter.

Output: plankton


Input:
Sentence1: Crops are plants that are grown for food or other uses.
Sentence2: insects destroy plants.

Output: plants


Input:
Sentence1: Beavers are primarily aquatic animals.
Sentence2: Beavers use their webbed feet to move through water quicker.

Output: Beavers


Input:
Sentence1: If fertilized, the egg implants itself in the uterus.
Sentence2: the egg implants itself in the uterus after sperm swim to an egg.

Output: egg


Input:
Sentence1: If fertilized, the egg implants itself in the uterus.
Sentence2: the egg implants itself in the uterus after sperm swim to an egg.

Output: implants


Input:
Sentence1: If fertilized, the egg implants itself in the uterus.
Sentence2: the egg implants itself in the uterus after sperm swim to an egg.

Output: itself


Input:
Sentence1: If fertilized, the egg implants itself in the uterus.
Sentence2: the egg implants itself in the uterus after sperm swim to an egg.

Output: uterus


Input:
Sentence1: living things all require energy for survival.
Sentence2: Living things all require energy for reproduction.

Output: living


Input:
Sentence1: living things all require energy for survival.
Sentence2: Living things all require energy for reproduction.

Output: require


Input:
Sentence1: living things all require energy for survival.
Sentence2: Living things all require energy for reproduction.

Output: things


Input:
Sentence1: For many, adolescence is synonymous with puberty.
Sentence2: In the puberty stage is a time of significant mental, emotional and social change.

Output: puberty


Input:
Sentence1: condensation causes clouds to form.
Sentence2: Clouds do create rain.

Output: clouds


Input:
Sentence1: a flower 's purpose is to produce seeds.
Sentence2: A flower's job is to produce seeds.

Output: 's


Input:
Sentence1: a flower 's purpose is to produce seeds.
Sentence2: A flower's job is to produce seeds.

Output: a


Input:
Sentence1: a flower 's purpose is to produce seeds.
Sentence2: A flower's job is to produce seeds.

Output: flower


Input:
Sentence1: a flower 's purpose is to produce seeds.
Sentence2: A flower's job is to produce seeds.

Output: is


Input:
Sentence1: a flower 's purpose is to produce seeds.
Sentence2: A flower's job is to produce seeds.

Output: produce


Input:
Sentence1: a flower 's purpose is to produce seeds.
Sentence2: A flower's job is to produce seeds.

Output: seeds


Input:
Sentence1: a flower 's purpose is to produce seeds.
Sentence2: A flower's job is to produce seeds.

Output: to


Input:
Sentence1: bacteria cause food poisoning.
Sentence2: Food poisoning is a serious illness.

Output: food


Input:
Sentence1: bacteria cause food poisoning.
Sentence2: Food poisoning is a serious illness.

Output: poisoning


Input:
Sentence1: Navigation is done by compass only.
Sentence2: navigation is used for determining direction.

Output: Navigation


Input:
Sentence1: Skin color is another polygenic trait.
Sentence2: Color depends on melanin content in skin.

Output: Skin


Input:
Sentence1: Skin color is another polygenic trait.
Sentence2: Color depends on melanin content in skin.

Output: color


Input:
Sentence1: Cancer is a disease in which cells divide out of control.
Sentence2: Cancer is a disease in which cells grow and divide rapidly.

Output: Cancer


Input:
Sentence1: Cancer is a disease in which cells divide out of control.
Sentence2: Cancer is a disease in which cells grow and divide rapidly.

Output: cells


Input:
Sentence1: Cancer is a disease in which cells divide out of control.
Sentence2: Cancer is a disease in which cells grow and divide rapidly.

Output: disease


Input:
Sentence1: when a body of water receives more water than it can hold , a flood occurs.
Sentence2: Floods are deadly, floods are devastating.

Output: flood


Input:
Sentence1: bacteria can cause people to become ill.
Sentence2: Leptospirosis can cause people to become ill.

Output: become


Input:
Sentence1: bacteria can cause people to become ill.
Sentence2: Leptospirosis can cause people to become ill.

Output: cause


Input:
Sentence1: bacteria can cause people to become ill.
Sentence2: Leptospirosis can cause people to become ill.

Output: ill


Input:
Sentence1: bacteria can cause people to become ill.
Sentence2: Leptospirosis can cause people to become ill.

Output: people


Input:
Sentence1: Migrant birds arrive.
Sentence2: birds travel long distances.

Output: birds


Input:
Sentence1: Heat energy is measured in calories.
Sentence2: condensing means changing from a gas into a liquid by reducing something that is measured in calories.

Output: calories


Input:
Sentence1: Heat energy is measured in calories.
Sentence2: condensing means changing from a gas into a liquid by reducing something that is measured in calories.

Output: measured


Input:
Sentence1: a camera is used for recording images.
Sentence2: cameras use videotape for recording.

Output: camera


Input:
Sentence1: Friction is a Force that opposes motion.
Sentence2: A force that opposes motion is used for stopping vehicles by brakes.

Output: Force


Input:
Sentence1: Friction is a Force that opposes motion.
Sentence2: A force that opposes motion is used for stopping vehicles by brakes.

Output: motion


Input:
Sentence1: Friction is a Force that opposes motion.
Sentence2: A force that opposes motion is used for stopping vehicles by brakes.

Output: opposes


Input:
Sentence1: Sperm are deposited in the vagina during sexual intercourse.
Sentence2: During sex, sperm is deposited into the woman's reproductive organ.

Output: Sperm


Input:
Sentence1: Sperm are deposited in the vagina during sexual intercourse.
Sentence2: During sex, sperm is deposited into the woman's reproductive organ.

Output: deposited


Input:
Sentence1: Horned lizards are reptiles with tails and a scaled body.
Sentence2: Lizards are protected by their unique body.

Output: lizards


Input:
Sentence1: Sperm pass out of the body through the urethra.
Sentence2: Sperm travel from the testicles through the vas deferens to the seminal vesicles and the prostate.

Output: Sperm


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: breaking down rice into components the body can absorb is digestion.

Output: Digestion


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: breaking down rice into components the body can absorb is digestion.

Output: absorb


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: breaking down rice into components the body can absorb is digestion.

Output: body


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: breaking down rice into components the body can absorb is digestion.

Output: breaking


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: breaking down rice into components the body can absorb is digestion.

Output: components


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: breaking down rice into components the body can absorb is digestion.

Output: down


Input:
Sentence1: Roots have primary and secondary meristems for growth in length and width.
Sentence2: Growth occurs in meristems.

Output: growth


Input:
Sentence1: An insect has 6 legs and a head, thorax and abdomen.
Sentence2: An insect has an exoskeleton.

Output: An


Input:
Sentence1: An insect has 6 legs and a head, thorax and abdomen.
Sentence2: An insect has an exoskeleton.

Output: has


Input:
Sentence1: An insect has 6 legs and a head, thorax and abdomen.
Sentence2: An insect has an exoskeleton.

Output: insect


Input:
Sentence1: Students take a field trip to an ecosystem to observe the homes of animals in natural habitats.
Sentence2: Cutting down trees has a negative impact on the homes of animals  in natural habitats.

Output: animals


Input:
Sentence1: Students take a field trip to an ecosystem to observe the homes of animals in natural habitats.
Sentence2: Cutting down trees has a negative impact on the homes of animals  in natural habitats.

Output: habitats


Input:
Sentence1: Students take a field trip to an ecosystem to observe the homes of animals in natural habitats.
Sentence2: Cutting down trees has a negative impact on the homes of animals  in natural habitats.

Output: homes


Input:
Sentence1: Students take a field trip to an ecosystem to observe the homes of animals in natural habitats.
Sentence2: Cutting down trees has a negative impact on the homes of animals  in natural habitats.

Output: natural


Input:
Sentence1: Solvents are substances, usually liquid, that dissolve other substances.
Sentence2: When one solvent reacts with another, chemical bonds form.

Output: Solvents


Input:
Sentence1: intense heat has a negative impact on an organism.
Sentence2: Bacteria are killed by intense heat for a certain time.

Output: heat


Input:
Sentence1: intense heat has a negative impact on an organism.
Sentence2: Bacteria are killed by intense heat for a certain time.

Output: intense


Input:
Sentence1: Seeds of the conifers are often protected in their cones.
Sentence2: Gymnosperms produce conifers.

Output: conifers


Input:
Sentence1: Cooking kills the microorganisms.
Sentence2: Cooking can be used to extend the shelf life of food.

Output: Cooking


Input:
Sentence1: Water fills the oceans of the world up to sea-level making it a liquid, a type of fluid.
Sentence2: Animals require a type of fluid to survive.

Output: fluid


Input:
Sentence1: Water fills the oceans of the world up to sea-level making it a liquid, a type of fluid.
Sentence2: Animals require a type of fluid to survive.

Output: type


Input:
Sentence1: friction causes the speed of an object to decrease.
Sentence2: decreasing an object's speed can create heat.

Output: decrease


Input:
Sentence1: friction causes the speed of an object to decrease.
Sentence2: decreasing an object's speed can create heat.

Output: speed


Input:
Sentence1: ACID RAIN Acid rain is polluted and harmful to the environment.
Sentence2: The emission of sulfur dioxide causes pollution to the environment.

Output: environment


Input:
Sentence1: ACID RAIN Acid rain is polluted and harmful to the environment.
Sentence2: The emission of sulfur dioxide causes pollution to the environment.

Output: polluted


Input:
Sentence1: fire converts chemical energy into light and heat energy.
Sentence2: Fires ignited with fuel convert energy into light and heat.

Output: converts


Input:
Sentence1: fire converts chemical energy into light and heat energy.
Sentence2: Fires ignited with fuel convert energy into light and heat.

Output: energy


Input:
Sentence1: fire converts chemical energy into light and heat energy.
Sentence2: Fires ignited with fuel convert energy into light and heat.

Output: heat


Input:
Sentence1: fire converts chemical energy into light and heat energy.
Sentence2: Fires ignited with fuel convert energy into light and heat.

Output: light


Input:
Sentence1: Heat production is increased by shivering and non-shivering thermogenesis .
Sentence2: Heat production is increased when many muscles contract a little bit, all at once.

Output: Heat


Input:
Sentence1: Heat production is increased by shivering and non-shivering thermogenesis .
Sentence2: Heat production is increased when many muscles contract a little bit, all at once.

Output: increased


Input:
Sentence1: Heat production is increased by shivering and non-shivering thermogenesis .
Sentence2: Heat production is increased when many muscles contract a little bit, all at once.

Output: production


Input:
Sentence1: Hemoglobin transports oxygen in blood.
Sentence2: Oxygen is one substance transported by hemoglobin.

Output: Hemoglobin


Input:
Sentence1: Adult tunicates are barrel-shaped.
Sentence2: Urochordates are commonly called tunicates.

Output: tunicates


Input:
Sentence1: This shaking of the crust is called an earthquake.
Sentence2: shaking of the earths crust is called an earthquake.

Output: crust


Input:
Sentence1: Prostate cancer is a form of carcinoma.
Sentence2: carcinoma genes can be inherited.

Output: carcinoma


Input:
Sentence1: Growth hormone is in many ways an anti-aging hormone.
Sentence2: chemical messengers control anti-aging.

Output: anti-aging


Input:
Sentence1: when the seasons change from the summer to the fall , the amount of daylight will decrease.
Sentence2: in fall the days become colder.

Output: fall


Input:
Sentence1: a stopwatch is used to measure time.
Sentence2: Distance is better measured in time.

Output: measure


Input:
Sentence1: rocks interacting with wind over long periods of time causes weathering.
Sentence2: Weathered rock is called saprolite .

Output: weathering


Input:
Sentence1: For many, adolescence is synonymous with puberty.
Sentence2: growth is faster during infancy than adolescence.

Output: adolescence


Input:
Sentence1: An insect is a small animal with six legs.
Sentence2: Most arthropods are small animals with six legs.

Output: animal


Input:
Sentence1: An insect is a small animal with six legs.
Sentence2: Most arthropods are small animals with six legs.

Output: legs


Input:
Sentence1: An insect is a small animal with six legs.
Sentence2: Most arthropods are small animals with six legs.

Output: six


Input:
Sentence1: An insect is a small animal with six legs.
Sentence2: Most arthropods are small animals with six legs.

Output: small


Input:
Sentence1: the force of water against the seed coat causes a root to emerge from a seed.
Sentence2: Instead, trees use a method called osmosis to force water upwards.

Output: force


Input:
Sentence1: Ground tissue makes up most of the interior of a plant.
Sentence2: Vascular tissue and the roots involved can draw water into the plant from the ground.

Output: Ground


Input:
Sentence1: Saturated fats are solid at room temperature.
Sentence2: Saturated fats make butter solid at ambient temperatures.

Output: Saturated


Input:
Sentence1: Saturated fats are solid at room temperature.
Sentence2: Saturated fats make butter solid at ambient temperatures.

Output: fats


Input:
Sentence1: lightning can cause a forest fire.
Sentence2: cascades of electrons can cause forest fires.

Output: cause


Input:
Sentence1: lightning can cause a forest fire.
Sentence2: cascades of electrons can cause forest fires.

Output: fire


Input:
Sentence1: lightning can cause a forest fire.
Sentence2: cascades of electrons can cause forest fires.

Output: forest


Input:
Sentence1: a greenhouse is used to protect plants by keeping them warm.
Sentence2: Many orchids are rewarding indoor plants.

Output: plants


Input:
Sentence1: Oceans are one of the largest ecosystems in the world.
Sentence2: energy enters the ocean in the form of sunlight or chemical compounds.

Output: Oceans


Input:
Sentence1: Blood type is important for medical reasons.
Sentence2: Type O is important for medical reasons.

Output: important


Input:
Sentence1: Blood type is important for medical reasons.
Sentence2: Type O is important for medical reasons.

Output: medical


Input:
Sentence1: Blood type is important for medical reasons.
Sentence2: Type O is important for medical reasons.

Output: reasons


Input:
Sentence1: On the Celsius scale, the freezing point of water is 0 degrees and the boiling point is 100 degrees.
Sentence2: Water boils when it's heated above 100 degrees.

Output: 100


Input:
Sentence1: On the Celsius scale, the freezing point of water is 0 degrees and the boiling point is 100 degrees.
Sentence2: Water boils when it's heated above 100 degrees.

Output: degrees


Input:
Sentence1: On the Celsius scale, the freezing point of water is 0 degrees and the boiling point is 100 degrees.
Sentence2: Water boils when it's heated above 100 degrees.

Output: water


Input:
Sentence1: Sources of zinc are soil, zinc oxide, zinc sulfate, zinc chelate.
Sentence2: soil can have a positive impact on the healing of wounds.

Output: soil


Input:
Sentence1: breaking apart rocks can cause debris.
Sentence2: Earthquakes are the signals of breaking rocks.

Output: apart


Input:
Sentence1: breaking apart rocks can cause debris.
Sentence2: Earthquakes are the signals of breaking rocks.

Output: breaking


Input:
Sentence1: breaking apart rocks can cause debris.
Sentence2: Earthquakes are the signals of breaking rocks.

Output: rocks


Input:
Sentence1: Often habitat is destroyed for agriculture.
Sentence2: agriculture can result in animals moving to another area from their home area.

Output: agriculture


Input:
Sentence1: Each birth is as unique as the child that is born.
Sentence2: When a child is born, parents often take care of them.

Output: born


Input:
Sentence1: Each birth is as unique as the child that is born.
Sentence2: When a child is born, parents often take care of them.

Output: child


Input:
Sentence1: Particulates are matter suspended in air.
Sentence2: Smog contains matter suspended in air.

Output: air


Input:
Sentence1: Particulates are matter suspended in air.
Sentence2: Smog contains matter suspended in air.

Output: matter


Input:
Sentence1: Particulates are matter suspended in air.
Sentence2: Smog contains matter suspended in air.

Output: suspended


Input:
Sentence1: Moisturizing Secondly, moisturizing the skin is extremely important.
Sentence2: Most aquatic organisms do not have to moisturize their skin.

Output: moisturizing


Input:
Sentence1: Moisturizing Secondly, moisturizing the skin is extremely important.
Sentence2: Most aquatic organisms do not have to moisturize their skin.

Output: skin


Input:
Sentence1: Sediment is made of rocks, dirt, and earth.
Sentence2: Weathering breaks down rocks, dirt, and earth to create a substance.

Output: dirt


Input:
Sentence1: Sediment is made of rocks, dirt, and earth.
Sentence2: Weathering breaks down rocks, dirt, and earth to create a substance.

Output: earth


Input:
Sentence1: Sediment is made of rocks, dirt, and earth.
Sentence2: Weathering breaks down rocks, dirt, and earth to create a substance.

Output: rocks


Input:
Sentence1: Sperm are released into the surrounding water through the osculum.
Sentence2: human Sperm are released into the surrounding water through a large opening.

Output: Sperm


Input:
Sentence1: Sperm are released into the surrounding water through the osculum.
Sentence2: human Sperm are released into the surrounding water through a large opening.

Output: into


Input:
Sentence1: Sperm are released into the surrounding water through the osculum.
Sentence2: human Sperm are released into the surrounding water through a large opening.

Output: released


Input:
Sentence1: Sperm are released into the surrounding water through the osculum.
Sentence2: human Sperm are released into the surrounding water through a large opening.

Output: surrounding


Input:
Sentence1: Sperm are released into the surrounding water through the osculum.
Sentence2: human Sperm are released into the surrounding water through a large opening.

Output: through


Input:
Sentence1: Sperm are released into the surrounding water through the osculum.
Sentence2: human Sperm are released into the surrounding water through a large opening.

Output: water


Input:
Sentence1: if a planet becomes too hot then that planet cannot sustain life.
Sentence2: Another name for Mars is the Red Planet.

Output: planet


Input:
Sentence1: thick fur can be used for keeping warm.
Sentence2: Snow leopards coats have thick, dense fur.

Output: fur


Input:
Sentence1: thick fur can be used for keeping warm.
Sentence2: Snow leopards coats have thick, dense fur.

Output: thick


Input:
Sentence1: a camera is used for recording images.
Sentence2: a camera is used for recording binary.

Output: camera


Input:
Sentence1: a camera is used for recording images.
Sentence2: a camera is used for recording binary.

Output: recording


Input:
Sentence1: a plants require water for survival.
Sentence2: Plants require water to live.

Output: plants


Input:
Sentence1: a plants require water for survival.
Sentence2: Plants require water to live.

Output: require


Input:
Sentence1: a plants require water for survival.
Sentence2: Plants require water to live.

Output: water


Input:
Sentence1: Most protists have motility.
Sentence2: The simplest eukaryotes have motility.

Output: motility


Input:
Sentence1: Sterilization kills all viable microorganisms.
Sentence2: Sterilization can be used to extend the shelf life of that food.

Output: Sterilization


Input:
Sentence1: insulated material can be used for keeping warm.
Sentence2: Insulated material is the key to newborn survival.

Output: insulated


Input:
Sentence1: insulated material can be used for keeping warm.
Sentence2: Insulated material is the key to newborn survival.

Output: material


Input:
Sentence1: a camera is used for recording images.
Sentence2: Olympus and Fuji are used for recording images.

Output: images


Input:
Sentence1: a camera is used for recording images.
Sentence2: Olympus and Fuji are used for recording images.

Output: recording


Input:
Sentence1: Food consists of organic molecules that store energy in their chemical bonds.
Sentence2: Beef jerky is the perfect food.

Output: Food


Input:
Sentence1: a warm front causes cloudy and rainy weather.
Sentence2: Stratus clouds are associated with a warm front.

Output: front


Input:
Sentence1: a warm front causes cloudy and rainy weather.
Sentence2: Stratus clouds are associated with a warm front.

Output: warm


Input:
Sentence1: Goats are four legged animals.
Sentence2: eyes are used for seeing by goats by sensing light.

Output: Goats


Input:
Sentence1: Male gametes are sperm.
Sentence2: fertilization occurs when male gametes swim to an egg inside an archegonium.

Output: Male


Input:
Sentence1: Male gametes are sperm.
Sentence2: fertilization occurs when male gametes swim to an egg inside an archegonium.

Output: gametes


Input:
Sentence1: an electric stove transforms electrical energy to heat energy.
Sentence2: electric stoves boil water.

Output: electric


Input:
Sentence1: an electric stove transforms electrical energy to heat energy.
Sentence2: electric stoves boil water.

Output: stove


Input:
Sentence1: Nephrons are the structural and functional units of the kidneys.
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..

Output: functional


Input:
Sentence1: Nephrons are the structural and functional units of the kidneys.
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..

Output: kidneys


Input:
Sentence1: Nephrons are the structural and functional units of the kidneys.
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..

Output: structural


Input:
Sentence1: Nephrons are the structural and functional units of the kidneys.
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..

Output: units


Input:
Sentence1: sexual reproduction increases genetic diversity.
Sentence2: Genetic diversity is a result of genetic material exchanged during reproduction.

Output: diversity


Input:
Sentence1: sexual reproduction increases genetic diversity.
Sentence2: Genetic diversity is a result of genetic material exchanged during reproduction.

Output: genetic


Input:
Sentence1: Genes that are located on the same chromosome are called linked genes.
Sentence2: Thousands of genes are linked together in a chain to form chromosomes.

Output: chromosome


Input:
Sentence1: Genes that are located on the same chromosome are called linked genes.
Sentence2: Thousands of genes are linked together in a chain to form chromosomes.

Output: linked


Input:
Sentence1: harming an animal species causes that animal 's population to decrease.
Sentence2: Harming a certain kind of organism causes that animal's population to decrease.

Output: an


Input:
Sentence1: harming an animal species causes that animal 's population to decrease.
Sentence2: Harming a certain kind of organism causes that animal's population to decrease.

Output: animal


Input:
Sentence1: harming an animal species causes that animal 's population to decrease.
Sentence2: Harming a certain kind of organism causes that animal's population to decrease.

Output: causes


Input:
Sentence1: harming an animal species causes that animal 's population to decrease.
Sentence2: Harming a certain kind of organism causes that animal's population to decrease.

Output: decrease


Input:
Sentence1: harming an animal species causes that animal 's population to decrease.
Sentence2: Harming a certain kind of organism causes that animal's population to decrease.

Output: harming


Input:
Sentence1: harming an animal species causes that animal 's population to decrease.
Sentence2: Harming a certain kind of organism causes that animal's population to decrease.

Output: population


Input:
Sentence1: harming an animal species causes that animal 's population to decrease.
Sentence2: Harming a certain kind of organism causes that animal's population to decrease.

Output: that


Input:
Sentence1: harming an animal species causes that animal 's population to decrease.
Sentence2: Harming a certain kind of organism causes that animal's population to decrease.

Output: to


Input:
Sentence1: Men seek the excitement of stimulants, because, for the time, the results are agreeable.
Sentence2: Caffeine excites the central nervous system.

Output: excitement


Input:
Sentence1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins.
Sentence2: DNA contains genetic instructions for proteins, which is a product of evolution.

Output: DNA


Input:
Sentence1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins.
Sentence2: DNA contains genetic instructions for proteins, which is a product of evolution.

Output: contains


Input:
Sentence1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins.
Sentence2: DNA contains genetic instructions for proteins, which is a product of evolution.

Output: genetic


Input:
Sentence1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins.
Sentence2: DNA contains genetic instructions for proteins, which is a product of evolution.

Output: instructions


Input:
Sentence1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins.
Sentence2: DNA contains genetic instructions for proteins, which is a product of evolution.

Output: proteins


Input:
Sentence1: Gametes then unite in fertilization and form a diploid zygote.
Sentence2: gametes turn into diploid zygotes.

Output: Gametes


Input:
Sentence1: Wings are part of the exoskeleton and attached to the thorax.
Sentence2: Spiracles are located on the abdomen and thorax.

Output: thorax


Input:
Sentence1: Acid rain can harm plant life and actually kill plants.
Sentence2: gases from burning coal and oil dissolving in water can harm plant life.

Output: harm


Input:
Sentence1: Acid rain can harm plant life and actually kill plants.
Sentence2: gases from burning coal and oil dissolving in water can harm plant life.

Output: life


Input:
Sentence1: Acid rain can harm plant life and actually kill plants.
Sentence2: gases from burning coal and oil dissolving in water can harm plant life.

Output: plant


Input:
Sentence1: Sweat is released from sweat glands beneath the skin, and as it evaporates, the skin is cooled.
Sentence2: skin is cooled by evaporation.

Output: evaporates


Input:
Sentence1: Invertebrates are animals who lack a backbone or spinal column.
Sentence2: Vertebrates are all chordates that have a spinal column.

Output: column


Input:
Sentence1: Invertebrates are animals who lack a backbone or spinal column.
Sentence2: Vertebrates are all chordates that have a spinal column.

Output: spinal


Input:
Sentence1: Osteoporosis is a disease characterized by a decrease in bone mineral density.
Sentence2: a disease in which osteoclasts are more active than osteoblasts results in a decrease in bone mineral density.

Output: bone


Input:
Sentence1: Osteoporosis is a disease characterized by a decrease in bone mineral density.
Sentence2: a disease in which osteoclasts are more active than osteoblasts results in a decrease in bone mineral density.

Output: decrease


Input:
Sentence1: Osteoporosis is a disease characterized by a decrease in bone mineral density.
Sentence2: a disease in which osteoclasts are more active than osteoblasts results in a decrease in bone mineral density.

Output: density


Input:
Sentence1: Osteoporosis is a disease characterized by a decrease in bone mineral density.
Sentence2: a disease in which osteoclasts are more active than osteoblasts results in a decrease in bone mineral density.

Output: mineral


Input:
Sentence1: a solar panel converts sunlight into electricity.
Sentence2: Lasers are powered by electricity.

Output: electricity


Input:
Sentence1: Amphibians begin their lives in the water.
Sentence2: animals that begin their lives in water breathe with gills then move elsewhere breathe with lungs.

Output: begin


Input:
Sentence1: Amphibians begin their lives in the water.
Sentence2: animals that begin their lives in water breathe with gills then move elsewhere breathe with lungs.

Output: lives


Input:
Sentence1: Amphibians begin their lives in the water.
Sentence2: animals that begin their lives in water breathe with gills then move elsewhere breathe with lungs.

Output: water


Input:
Sentence1: Fiber optics works by carrying light along hair-thin filaments of glass.
Sentence2: an incandescent light bulb converts electricity into light by sending electricity through hair-thin fibers of glass.

Output: Fiber


Input:
Sentence1: Fiber optics works by carrying light along hair-thin filaments of glass.
Sentence2: an incandescent light bulb converts electricity into light by sending electricity through hair-thin fibers of glass.

Output: glass


Input:
Sentence1: Fiber optics works by carrying light along hair-thin filaments of glass.
Sentence2: an incandescent light bulb converts electricity into light by sending electricity through hair-thin fibers of glass.

Output: hair-thin


Input:
Sentence1: Birds and animals eat such food .
Sentence2: Eating has a positive impact on an organism's health.

Output: Birds


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: a means of reproduction are commonly found in soil and water.

Output: commonly


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: a means of reproduction are commonly found in soil and water.

Output: found


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: a means of reproduction are commonly found in soil and water.

Output: soil


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: a means of reproduction are commonly found in soil and water.

Output: water


Input:
Sentence1: plasma is formed by electrons separating from atoms in stars.
Sentence2: interstellar space contains electrons, atoms, and stars.

Output: atoms


Input:
Sentence1: plasma is formed by electrons separating from atoms in stars.
Sentence2: interstellar space contains electrons, atoms, and stars.

Output: electrons


Input:
Sentence1: plasma is formed by electrons separating from atoms in stars.
Sentence2: interstellar space contains electrons, atoms, and stars.

Output: stars


Input:
Sentence1: Tires leave skid marks and sometimes smoke.
Sentence2: braking can leave marks.

Output: marks


Input:
Sentence1: Sound waves vibrate.
Sentence2: a firecracker converts chemical energy into vibrating waves.

Output: vibrate


Input:
Sentence1: Sound waves vibrate.
Sentence2: a firecracker converts chemical energy into vibrating waves.

Output: waves


Input:
Sentence1: Medicine and medical technology help expand our life expectancy.
Sentence2: x-rays are used to help expand our life expectancy.

Output: expand


Input:
Sentence1: Medicine and medical technology help expand our life expectancy.
Sentence2: x-rays are used to help expand our life expectancy.

Output: expectancy


Input:
Sentence1: Medicine and medical technology help expand our life expectancy.
Sentence2: x-rays are used to help expand our life expectancy.

Output: help


Input:
Sentence1: Medicine and medical technology help expand our life expectancy.
Sentence2: x-rays are used to help expand our life expectancy.

Output: life


Input:
Sentence1: Plants that are adapted to very dry environments are called xerophytes.
Sentence2: Most cacti thrive in an area with very dry periods and light rainfall.

Output: dry


Input:
Sentence1: Plants that are adapted to very dry environments are called xerophytes.
Sentence2: Most cacti thrive in an area with very dry periods and light rainfall.

Output: very


Input:
Sentence1: Tunicates reproduce sexually.
Sentence2: bulbs reproduce sexually.

Output: reproduce


Input:
Sentence1: Tunicates reproduce sexually.
Sentence2: bulbs reproduce sexually.

Output: sexually


Input:
Sentence1: Soil can be depleted of nutrients.
Sentence2: soil nutrition can be extracted.

Output: Soil


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: Marine engines, with very few exceptions, are automobile engines converted to marine use.

Output: automobile


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: Marine engines, with very few exceptions, are automobile engines converted to marine use.

Output: engine


Input:
Sentence1: Pelicans are migratory birds.
Sentence2: Pelicans use beaks for catching prey.

Output: Pelicans


Input:
Sentence1: Bikes and tricycles are also decorated.
Sentence2: pushing on the pedals of a tricycle causes it to move.

Output: tricycles


Input:
Sentence1: Crocodilian mothers provide the most parental care compared to any other reptiles.
Sentence2: Crocodilian mothers provide care to their young.

Output: Crocodilian


Input:
Sentence1: Crocodilian mothers provide the most parental care compared to any other reptiles.
Sentence2: Crocodilian mothers provide care to their young.

Output: mothers


Input:
Sentence1: protein is used to repair cells by the human body.
Sentence2: meat can help repair cells in the human body.

Output: body


Input:
Sentence1: protein is used to repair cells by the human body.
Sentence2: meat can help repair cells in the human body.

Output: cells


Input:
Sentence1: protein is used to repair cells by the human body.
Sentence2: meat can help repair cells in the human body.

Output: human


Input:
Sentence1: protein is used to repair cells by the human body.
Sentence2: meat can help repair cells in the human body.

Output: repair


Input:
Sentence1: Bacteria can cause infection.
Sentence2: Any surface that has not been sterilized could result in infection.

Output: infection


Input:
Sentence1: Granite is an example of an igneous rock .
Sentence2: Granite is formed from magma cooling.

Output: Granite


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: a beak is used for Hunting by some birds.

Output: a


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: a beak is used for Hunting by some birds.

Output: beak


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: a beak is used for Hunting by some birds.

Output: birds


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: a beak is used for Hunting by some birds.

Output: by


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: a beak is used for Hunting by some birds.

Output: some


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: a beak is used for Hunting by some birds.

Output: used


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: Nutrients are absorbed by the intestines and if the walls are coated, fewer nutrients are absorbed.

Output: absorb


Input:
Sentence1: an aquatic animal requires great amounts of water to survive.
Sentence2: an aquatic animal requires not having too much algae in water.

Output: animal


Input:
Sentence1: an aquatic animal requires great amounts of water to survive.
Sentence2: an aquatic animal requires not having too much algae in water.

Output: aquatic


Input:
Sentence1: an aquatic animal requires great amounts of water to survive.
Sentence2: an aquatic animal requires not having too much algae in water.

Output: requires


Input:
Sentence1: Spicules, amoeboid cells, and collar cells are characteristic of sea anemones.
Sentence2: Sponges and sea anemones have similar types of specialized cells.

Output: anemones


Input:
Sentence1: Spicules, amoeboid cells, and collar cells are characteristic of sea anemones.
Sentence2: Sponges and sea anemones have similar types of specialized cells.

Output: sea


Input:
Sentence1: Competition may lead to aggressive behaviors or displays of aggression.
Sentence2: Aggression Aggression and violence often go together.

Output: aggression


Input:
Sentence1: Competition may lead to aggressive behaviors or displays of aggression.
Sentence2: Aggression Aggression and violence often go together.

Output: aggressive


Input:
Sentence1: Some types of snails are free swimming, while others are sessile.
Sentence2: lancelet larvae are not sessile.

Output: sessile


Input:
Sentence1: Electron microscopes allow scientists to magnify objects hundreds of thousands of times.
Sentence2: magnifying objects hundreds of thousands of times is used for seeing very small objects by making them appear bigger.

Output: hundreds


Input:
Sentence1: Electron microscopes allow scientists to magnify objects hundreds of thousands of times.
Sentence2: magnifying objects hundreds of thousands of times is used for seeing very small objects by making them appear bigger.

Output: magnify


Input:
Sentence1: Electron microscopes allow scientists to magnify objects hundreds of thousands of times.
Sentence2: magnifying objects hundreds of thousands of times is used for seeing very small objects by making them appear bigger.

Output: objects


Input:
Sentence1: Electron microscopes allow scientists to magnify objects hundreds of thousands of times.
Sentence2: magnifying objects hundreds of thousands of times is used for seeing very small objects by making them appear bigger.

Output: thousands


Input:
Sentence1: Electron microscopes allow scientists to magnify objects hundreds of thousands of times.
Sentence2: magnifying objects hundreds of thousands of times is used for seeing very small objects by making them appear bigger.

Output: times


Input:
Sentence1: The inner planet is so close to its star that it's too hot.
Sentence2: if a planet is too close to its star it cannot sustain life.

Output: close


Input:
Sentence1: The inner planet is so close to its star that it's too hot.
Sentence2: if a planet is too close to its star it cannot sustain life.

Output: planet


Input:
Sentence1: The inner planet is so close to its star that it's too hot.
Sentence2: if a planet is too close to its star it cannot sustain life.

Output: star


Input:
Sentence1: transportation technology is used for moving people.
Sentence2: Rafts are used for moving people.

Output: moving


Input:
Sentence1: transportation technology is used for moving people.
Sentence2: Rafts are used for moving people.

Output: people


Input:
Sentence1: transportation technology is used for moving people.
Sentence2: Rafts are used for moving people.

Output: used


Input:
Sentence1: when a river floods , that river deposits soil in flood plains.
Sentence2: when a river floods, that river deposits silicate minerals in flood plains.

Output: deposits


Input:
Sentence1: when a river floods , that river deposits soil in flood plains.
Sentence2: when a river floods, that river deposits silicate minerals in flood plains.

Output: flood


Input:
Sentence1: when a river floods , that river deposits soil in flood plains.
Sentence2: when a river floods, that river deposits silicate minerals in flood plains.

Output: floods


Input:
Sentence1: when a river floods , that river deposits soil in flood plains.
Sentence2: when a river floods, that river deposits silicate minerals in flood plains.

Output: plains


Input:
Sentence1: when a river floods , that river deposits soil in flood plains.
Sentence2: when a river floods, that river deposits silicate minerals in flood plains.

Output: river


Input:
Sentence1: Eyes detect light, organized into images that fall on the retina.
Sentence2: Eyes can detect images and see light using sight.

Output: detect


Input:
Sentence1: Eyes detect light, organized into images that fall on the retina.
Sentence2: Eyes can detect images and see light using sight.

Output: images


Input:
Sentence1: a flashlight converts chemical energy into light energy.
Sentence2: PALight Flashlights are the ultimate personal LED flashlights.

Output: flashlight


Input:
Sentence1: braking can cause skidding.
Sentence2: Brakes are great at stopping.

Output: braking


Input:
Sentence1: Most cells are too small to be seen without a microscope.
Sentence2: Cells vary in size as well as shape and are seen with a microscope.

Output: microscope


Input:
Sentence1: Most cells are too small to be seen without a microscope.
Sentence2: Cells vary in size as well as shape and are seen with a microscope.

Output: seen


Input:
Sentence1: Any infection can cause death.
Sentence2: scaping oneself can cause death.

Output: death


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: the resting state of some bacteria is commonly found in soil and water.

Output: commonly


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: the resting state of some bacteria is commonly found in soil and water.

Output: found


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: the resting state of some bacteria is commonly found in soil and water.

Output: soil


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: the resting state of some bacteria is commonly found in soil and water.

Output: water


Input:
Sentence1: Mechanical energy is the energy of moving objects.
Sentence2: A windmill makes wind energy from moving.

Output: moving


Input:
Sentence1: Evolution is a change in the characteristics of living things over time.
Sentence2: An organism is a living thing.

Output: living


Input:
Sentence1: Evolution is a change in the characteristics of living things over time.
Sentence2: An organism is a living thing.

Output: things


Input:
Sentence1: a laser is used for producing light.
Sentence2: light can burn the skin.

Output: light


Input:
Sentence1: Sweat wets the skin, and when it evaporates, it cools the body.
Sentence2: Skin is hot and red, but wet with sweat.

Output: Sweat


Input:
Sentence1: habitat destruction causes animals to move to find shelter in another habitat.
Sentence2: ocean destruction causes animals to move to find shelter elsewhere.

Output: animals


Input:
Sentence1: habitat destruction causes animals to move to find shelter in another habitat.
Sentence2: ocean destruction causes animals to move to find shelter elsewhere.

Output: causes


Input:
Sentence1: habitat destruction causes animals to move to find shelter in another habitat.
Sentence2: ocean destruction causes animals to move to find shelter elsewhere.

Output: destruction


Input:
Sentence1: habitat destruction causes animals to move to find shelter in another habitat.
Sentence2: ocean destruction causes animals to move to find shelter elsewhere.

Output: find


Input:
Sentence1: habitat destruction causes animals to move to find shelter in another habitat.
Sentence2: ocean destruction causes animals to move to find shelter elsewhere.

Output: move


Input:
Sentence1: habitat destruction causes animals to move to find shelter in another habitat.
Sentence2: ocean destruction causes animals to move to find shelter elsewhere.

Output: shelter


Input:
Sentence1: Materials that control the flow of electricity are called resistors.
Sentence2: Resistors can prevent a light bulb from turning on.

Output: resistors


Input:
Sentence1: Light rays are focussed on the retina.
Sentence2: When rays are shined at the eyes, they enter an opening called the pupil.

Output: rays


Input:
Sentence1: Kitchen appliances include refrigerator.
Sentence2: A kitchen appliances is used for keeping food fresh for a long period of time.

Output: Kitchen


Input:
Sentence1: Kitchen appliances include refrigerator.
Sentence2: A kitchen appliances is used for keeping food fresh for a long period of time.

Output: appliances


Input:
Sentence1: Jaws make cartilaginous fish excellent predators.
Sentence2: jaws make sharks excellent predators.

Output: Jaws


Input:
Sentence1: Jaws make cartilaginous fish excellent predators.
Sentence2: jaws make sharks excellent predators.

Output: excellent


Input:
Sentence1: Jaws make cartilaginous fish excellent predators.
Sentence2: jaws make sharks excellent predators.

Output: predators


Input:
Sentence1: The earthquake produced severe building damage.
Sentence2: earthquakes can damage buildings.

Output: building


Input:
Sentence1: crumple means change shape from smooth into compacted by physical force.
Sentence2: Physical abuse is physical force or violence that results in bodily injury, pain, or impairment.

Output: force


Input:
Sentence1: sand dunes are formed by the wind transporting and depositing sand.
Sentence2: Coarser sands are found on the dune tops.

Output: sand


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: Seeds wait to germinate until factors favor growth.

Output: germinate


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: Seeds wait to germinate until factors favor growth.

Output: seeds


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: Seeds wait to germinate until factors favor growth.

Output: until


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: Seeds wait to germinate until factors favor growth.

Output: wait


Input:
Sentence1: Chloroplasts contain the green pigment chlorophyll.
Sentence2: Chlorophylls are the pigments of photosynthesis.

Output: chlorophyll


Input:
Sentence1: Chloroplasts contain the green pigment chlorophyll.
Sentence2: Chlorophylls are the pigments of photosynthesis.

Output: pigment


Input:
Sentence1: Neurons transmit nerve impulses to other cells.
Sentence2: Neurons are the basic functional unit of the brain.

Output: Neurons