Input:
Sentence1: Cnidarians are invertebrates such as jellyfish and corals.
Sentence2: Cnidarians include jellyfish and anemones.

Output: jellyfish


Input:
Sentence1: Earth is a world of water.
Sentence2: The moon revolving around the world causes the moon phases.

Output: world


Input:
Sentence1: plant reproduction requires pollination.
Sentence2: Pollination is by flies, wasps, and bees.

Output: pollination


Input:
Sentence1: Shivering heats the body.
Sentence2: many muscles contracting a little bit all at once heats the body.

Output: body


Input:
Sentence1: Shivering heats the body.
Sentence2: many muscles contracting a little bit all at once heats the body.

Output: heats


Input:
Sentence1: if an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity.
Sentence2: Specific gravity is related to density.

Output: gravity


Input:
Sentence1: Migrants typically travel long distances.
Sentence2: Distance Finder Find the distance between two places.

Output: distances


Input:
Sentence1: natural disasters can cause animals to leave an environment.
Sentence2: natural disasters can cause goats to leave an environment.

Output: disasters


Input:
Sentence1: natural disasters can cause animals to leave an environment.
Sentence2: natural disasters can cause goats to leave an environment.

Output: environment


Input:
Sentence1: natural disasters can cause animals to leave an environment.
Sentence2: natural disasters can cause goats to leave an environment.

Output: leave


Input:
Sentence1: natural disasters can cause animals to leave an environment.
Sentence2: natural disasters can cause goats to leave an environment.

Output: natural


Input:
Sentence1: treating water is used to remove harmful substances before drinking.
Sentence2: Clean drinking water is a luxury.

Output: drinking


Input:
Sentence1: Sex hormones are chemical messengers that control sexual development and reproduction.
Sentence2: Androgens are male sex hormones.

Output: Sex


Input:
Sentence1: Sex hormones are chemical messengers that control sexual development and reproduction.
Sentence2: Androgens are male sex hormones.

Output: hormones


Input:
Sentence1: Carbon may be stored in sedimentary rock for millions of years.
Sentence2: Carbon is an essential element for almost all plant and animal life.

Output: Carbon


Input:
Sentence1: Consumers take in food by eating producers or other living things.
Sentence2: Food Food poisoning is avoidable.

Output: food


Input:
Sentence1: First jet airplane takes flight.
Sentence2: jets are used for moving people.

Output: jet


Input:
Sentence1: For ease of identification, cotton seedlings are classified into the following three categories.
Sentence2: Protozoa can be identified by how they move.

Output: identification


Input:
Sentence1: Fertilization stimulates the growth of plankton algae.
Sentence2: Fertilization helps feed bivalves.

Output: Fertilization


Input:
Sentence1: Reptile parents provide little if any care to their young.
Sentence2: Reptile parents abandon their eggs.

Output: Reptile


Input:
Sentence1: Reptile parents provide little if any care to their young.
Sentence2: Reptile parents abandon their eggs.

Output: parents


Input:
Sentence1: a greenhouse is used to protect plants by keeping them warm.
Sentence2: Hobby greenhouses used to be small glass houses or fiberglass buildings.

Output: greenhouse


Input:
Sentence1: Pregnancy is evidence of sexual intercourse.
Sentence2: Pregnancy is evidence of sperm being deposited in the vagina.

Output: Pregnancy


Input:
Sentence1: Pregnancy is evidence of sexual intercourse.
Sentence2: Pregnancy is evidence of sperm being deposited in the vagina.

Output: evidence


Input:
Sentence1: Abalone are marine snails.
Sentence2: Mollusks are invertebrates such as the abalone.

Output: Abalone


Input:
Sentence1: Temperature falls from lower to higher altitudes.
Sentence2: Heat falls from lower to higher altitudes.

Output: altitudes


Input:
Sentence1: Temperature falls from lower to higher altitudes.
Sentence2: Heat falls from lower to higher altitudes.

Output: falls


Input:
Sentence1: Temperature falls from lower to higher altitudes.
Sentence2: Heat falls from lower to higher altitudes.

Output: from


Input:
Sentence1: Temperature falls from lower to higher altitudes.
Sentence2: Heat falls from lower to higher altitudes.

Output: higher


Input:
Sentence1: Temperature falls from lower to higher altitudes.
Sentence2: Heat falls from lower to higher altitudes.

Output: lower


Input:
Sentence1: Temperature falls from lower to higher altitudes.
Sentence2: Heat falls from lower to higher altitudes.

Output: to


Input:
Sentence1: a stem is used to store water by some plants.
Sentence2: ferns use stems to store water.

Output: stem


Input:
Sentence1: a stem is used to store water by some plants.
Sentence2: ferns use stems to store water.

Output: store


Input:
Sentence1: a stem is used to store water by some plants.
Sentence2: ferns use stems to store water.

Output: used


Input:
Sentence1: a stem is used to store water by some plants.
Sentence2: ferns use stems to store water.

Output: water


Input:
Sentence1: Examples include influenza, rabies, HIV, and Herpes viruses.
Sentence2: rabies are not cells.

Output: rabies


Input:
Sentence1: Syngamy produces a diploid zygote.
Sentence2: syngamy is when Gametes unite in fertilization.

Output: Syngamy


Input:
Sentence1: Interphase is when replication of the DNA occurs.
Sentence2: Interphase is when DNA is copied.

Output: Interphase


Input:
Sentence1: having food has a positive impact on an organism 's health.
Sentence2: food provides energy for an organism.

Output: organism


Input:
Sentence1: Invertebrates Among the invertebrates, the largest number of species are insects.
Sentence2: Most insects have a complex nervous system.

Output: insects


Input:
Sentence1: a cactus stem is used for storing water.
Sentence2: a cactus stem is used for storing h2o.

Output: cactus


Input:
Sentence1: a cactus stem is used for storing water.
Sentence2: a cactus stem is used for storing h2o.

Output: stem


Input:
Sentence1: a cactus stem is used for storing water.
Sentence2: a cactus stem is used for storing h2o.

Output: storing


Input:
Sentence1: a cactus stem is used for storing water.
Sentence2: a cactus stem is used for storing h2o.

Output: used


Input:
Sentence1: the vanes rotating in an electric fan causes air to move.
Sentence2: Air is mostly nitrogen and oxygen.

Output: air


Input:
Sentence1: Many plants respond to the days growing shorter in the fall by going dormant.
Sentence2: Plants can be moved in the fall.

Output: fall


Input:
Sentence1: Many plants respond to the days growing shorter in the fall by going dormant.
Sentence2: Plants can be moved in the fall.

Output: plants


Input:
Sentence1: Many nucleotides bind together to form a chain called a polynucleotide.
Sentence2: RNA like DNA is a polynucleotide.

Output: polynucleotide


Input:
Sentence1: All life relies on a relatively narrow range of pH, or acidity.
Sentence2: If the pH level is higher or lower, aquatic life is endangered.

Output: pH


Input:
Sentence1: Evolution requires genetic diversity.
Sentence2: Sexual reproduction increases evolution.

Output: Evolution


Input:
Sentence1: Metazoan phylogeny Phylogeny of phyla is poorly understood.
Sentence2: a group of related organisms is a phyla.

Output: phyla


Input:
Sentence1: Cars are vehicles and trucks are vehicles.
Sentence2: A driver feeds feedback on the speed of their car with a speedometer.

Output: Cars


Input:
Sentence1: Immediate reporting is also required for diseases caused by Category A Bioterrorism agents.
Sentence2: spread of disease is another potential threat in the environment.

Output: diseases


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Something that begins its life in water has permeable skin that easily absorbs substances from the environment.

Output: absorbs


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Something that begins its life in water has permeable skin that easily absorbs substances from the environment.

Output: easily


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Something that begins its life in water has permeable skin that easily absorbs substances from the environment.

Output: environment


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Something that begins its life in water has permeable skin that easily absorbs substances from the environment.

Output: permeable


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Something that begins its life in water has permeable skin that easily absorbs substances from the environment.

Output: skin


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Something that begins its life in water has permeable skin that easily absorbs substances from the environment.

Output: substances


Input:
Sentence1: Mutations may change the structure of a chromosome or just change a single nucleotide.
Sentence2: Mutagenic chemicals may change the structure of a nucleotide.

Output: change


Input:
Sentence1: Mutations may change the structure of a chromosome or just change a single nucleotide.
Sentence2: Mutagenic chemicals may change the structure of a nucleotide.

Output: chromosome


Input:
Sentence1: Mutations may change the structure of a chromosome or just change a single nucleotide.
Sentence2: Mutagenic chemicals may change the structure of a nucleotide.

Output: may


Input:
Sentence1: Mutations may change the structure of a chromosome or just change a single nucleotide.
Sentence2: Mutagenic chemicals may change the structure of a nucleotide.

Output: structure


Input:
Sentence1: Earthworm burrows help aerate soil, which is also good for plants.
Sentence2: organisms aerate soil.

Output: aerate


Input:
Sentence1: extreme heat and pressure change rock into metamorphic rock.
Sentence2: Extreme heat and pressure can change rock into slate.

Output: change


Input:
Sentence1: extreme heat and pressure change rock into metamorphic rock.
Sentence2: Extreme heat and pressure can change rock into slate.

Output: extreme


Input:
Sentence1: extreme heat and pressure change rock into metamorphic rock.
Sentence2: Extreme heat and pressure can change rock into slate.

Output: heat


Input:
Sentence1: extreme heat and pressure change rock into metamorphic rock.
Sentence2: Extreme heat and pressure can change rock into slate.

Output: pressure


Input:
Sentence1: extreme heat and pressure change rock into metamorphic rock.
Sentence2: Extreme heat and pressure can change rock into slate.

Output: rock


Input:
Sentence1: Osteoporosis is a disease of the bones.
Sentence2: a disease in which osteoclasts are more active than osteoblasts is bone disease.

Output: bones


Input:
Sentence1: Osteoporosis is a disease of the bones.
Sentence2: a disease in which osteoclasts are more active than osteoblasts is bone disease.

Output: disease


Input:
Sentence1: Refraction Refraction is the bending of light rays.
Sentence2: A prism bends light rays.

Output: bending


Input:
Sentence1: Refraction Refraction is the bending of light rays.
Sentence2: A prism bends light rays.

Output: light


Input:
Sentence1: Refraction Refraction is the bending of light rays.
Sentence2: A prism bends light rays.

Output: rays


Input:
Sentence1: lightning can cause a forest fire.
Sentence2: Static electricity can cause a forest fire.

Output: a


Input:
Sentence1: lightning can cause a forest fire.
Sentence2: Static electricity can cause a forest fire.

Output: cause


Input:
Sentence1: lightning can cause a forest fire.
Sentence2: Static electricity can cause a forest fire.

Output: fire


Input:
Sentence1: lightning can cause a forest fire.
Sentence2: Static electricity can cause a forest fire.

Output: forest


Input:
Sentence1: Plastics are made from petroleum and produce toxic waste.
Sentence2: Plastic bags are made from non-renewable petroleum resources.

Output: made


Input:
Sentence1: Plastics are made from petroleum and produce toxic waste.
Sentence2: Plastic bags are made from non-renewable petroleum resources.

Output: petroleum


Input:
Sentence1: An antibody binds to an antigen .
Sentence2: antibodies binds to molecules.

Output: antibody


Input:
Sentence1: a fire requires oxygen to burn.
Sentence2: a fire requires a by-product of photosynthesis.

Output: a


Input:
Sentence1: a fire requires oxygen to burn.
Sentence2: a fire requires a by-product of photosynthesis.

Output: fire


Input:
Sentence1: a fire requires oxygen to burn.
Sentence2: a fire requires a by-product of photosynthesis.

Output: requires


Input:
Sentence1: a light bulb requires electrical energy to produce light.
Sentence2: coal can power a light bulb.

Output: light


Input:
Sentence1: Chromosomes are made up of DNA and histone proteins.
Sentence2: histone proteins make up chromosomes.

Output: histone


Input:
Sentence1: Chromosomes are made up of DNA and histone proteins.
Sentence2: histone proteins make up chromosomes.

Output: proteins


Input:
Sentence1: Animals lack chloroplasts.
Sentence2: animals lack the green pigment chlorophyll.

Output: Animals


Input:
Sentence1: Animals lack chloroplasts.
Sentence2: animals lack the green pigment chlorophyll.

Output: lack


Input:
Sentence1: the type of material through which sound passes changes the speed at which sound travels.
Sentence2: the type of material through which mechanical waves pass change the speed at which they travel.

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 mechanical waves pass change the speed at which they travel.

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 mechanical waves pass change the speed at which they travel.

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 mechanical waves pass change the speed at which they travel.

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 mechanical waves pass change the speed at which they travel.

Output: through


Input:
Sentence1: the type of material through which sound passes changes the speed at which sound travels.
Sentence2: the type of material through which mechanical waves pass change the speed at which they travel.

Output: travels


Input:
Sentence1: the type of material through which sound passes changes the speed at which sound travels.
Sentence2: the type of material through which mechanical waves pass change the speed at which they travel.

Output: type


Input:
Sentence1: the type of material through which sound passes changes the speed at which sound travels.
Sentence2: the type of material through which mechanical waves pass change the speed at which they travel.

Output: which


Input:
Sentence1: An ocean is a large body of salt water.
Sentence2: Marine biomes are found in large bodies of salt water.

Output: body


Input:
Sentence1: An ocean is a large body of salt water.
Sentence2: Marine biomes are found in large bodies of salt water.

Output: large


Input:
Sentence1: An ocean is a large body of salt water.
Sentence2: Marine biomes are found in large bodies of salt water.

Output: salt


Input:
Sentence1: An ocean is a large body of salt water.
Sentence2: Marine biomes are found in large bodies of salt water.

Output: water


Input:
Sentence1: All chemical reactions require activation energy to get started.
Sentence2: Chemical changes require activation energy to get started.

Output: activation


Input:
Sentence1: All chemical reactions require activation energy to get started.
Sentence2: Chemical changes require activation energy to get started.

Output: energy


Input:
Sentence1: All chemical reactions require activation energy to get started.
Sentence2: Chemical changes require activation energy to get started.

Output: get


Input:
Sentence1: All chemical reactions require activation energy to get started.
Sentence2: Chemical changes require activation energy to get started.

Output: require


Input:
Sentence1: All chemical reactions require activation energy to get started.
Sentence2: Chemical changes require activation energy to get started.

Output: started


Input:
Sentence1: safety goggles are used for protecting the eyes during experiments.
Sentence2: Firm plastic eyeglasses or goggles are better.

Output: goggles


Input:
Sentence1: Mutualism is a symbiotic relationship in which both species benefit.
Sentence2: Mutualism is a relationship like that of microbes and mussels in which both species benefit.

Output: Mutualism


Input:
Sentence1: Mutualism is a symbiotic relationship in which both species benefit.
Sentence2: Mutualism is a relationship like that of microbes and mussels in which both species benefit.

Output: benefit


Input:
Sentence1: Mutualism is a symbiotic relationship in which both species benefit.
Sentence2: Mutualism is a relationship like that of microbes and mussels in which both species benefit.

Output: both


Input:
Sentence1: Mutualism is a symbiotic relationship in which both species benefit.
Sentence2: Mutualism is a relationship like that of microbes and mussels in which both species benefit.

Output: relationship


Input:
Sentence1: Mutualism is a symbiotic relationship in which both species benefit.
Sentence2: Mutualism is a relationship like that of microbes and mussels in which both species benefit.

Output: species


Input:
Sentence1: Cars are vehicles and trucks are vehicles.
Sentence2: trucks are used for transportation.

Output: trucks


Input:
Sentence1: Earthquakes can cause a tsunami.
Sentence2: Faulting in the earth's crust can cause a tsunami.

Output: cause


Input:
Sentence1: Earthquakes can cause a tsunami.
Sentence2: Faulting in the earth's crust can cause a tsunami.

Output: tsunami


Input:
Sentence1: waxy leaves are used for storing water by some plants.
Sentence2: Leaves are covered with a cuticle which are used to store water in plants.

Output: plants


Input:
Sentence1: waxy leaves are used for storing water by some plants.
Sentence2: Leaves are covered with a cuticle which are used to store water in plants.

Output: storing


Input:
Sentence1: waxy leaves are used for storing water by some plants.
Sentence2: Leaves are covered with a cuticle which are used to store water in plants.

Output: used


Input:
Sentence1: waxy leaves are used for storing water by some plants.
Sentence2: Leaves are covered with a cuticle which are used to store water in plants.

Output: water


Input:
Sentence1: Streams may start with runoff or water seeping out of a spring.
Sentence2: Most water comes from precipitation.

Output: water


Input:
Sentence1: Copper is a very ductile metal.
Sentence2: When copper conducts heat it expands.

Output: Copper


Input:
Sentence1: if a thermal conductor is exposed to a source of heat then that conductor may become hot.
Sentence2: Radiant heat is the way the sun heats the planet.

Output: heat


Input:
Sentence1: Minerals are chemical elements that are essential for body processes.
Sentence2: Minerals are inorganic substances.

Output: Minerals


Input:
Sentence1: Most protists have motility.
Sentence2: Protists are the simplest of eukaryotes.

Output: protists


Input:
Sentence1: if a living thing becomes too cold then that living thing will die.
Sentence2: When a person stops breathing, they die.

Output: die


Input:
Sentence1: a sandbar is formed by water moving sediment downstream.
Sentence2: Native species, such as cranes, use open water and barren sandbars for roosting at night.

Output: sandbar


Input:
Sentence1: a mirror is used for reflecting light.
Sentence2: quartz or nickel plated aluminum are used for reflecting light.

Output: light


Input:
Sentence1: a mirror is used for reflecting light.
Sentence2: quartz or nickel plated aluminum are used for reflecting light.

Output: reflecting


Input:
Sentence1: a mirror is used for reflecting light.
Sentence2: quartz or nickel plated aluminum are used for reflecting light.

Output: used


Input:
Sentence1: staying warm has a positive impact on an animal 's survival.
Sentence2: Warmth has a positive impact on mans survival.

Output: impact


Input:
Sentence1: staying warm has a positive impact on an animal 's survival.
Sentence2: Warmth has a positive impact on mans survival.

Output: positive


Input:
Sentence1: staying warm has a positive impact on an animal 's survival.
Sentence2: Warmth has a positive impact on mans survival.

Output: warm


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Unequal absorption of radiation causes unequal heating of the earth's surface.

Output: Earth


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Unequal absorption of radiation causes unequal heating of the earth's surface.

Output: heating


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Unequal absorption of radiation causes unequal heating of the earth's surface.

Output: surface


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Unequal absorption of radiation causes unequal heating of the earth's surface.

Output: unequal


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: an automobile engine transforms chemical energy into sound.

Output: an


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: an automobile engine transforms chemical energy into sound.

Output: automobile


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: an automobile engine transforms chemical energy into sound.

Output: chemical


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: an automobile engine transforms chemical energy into sound.

Output: energy


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: an automobile engine transforms chemical energy into sound.

Output: engine


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: an automobile engine transforms chemical energy into sound.

Output: transforms


Input:
Sentence1: Algae have varied life cycles.
Sentence2: Algae on Turf Plant Pathology Algae on Turf Algae are primitive green plants.

Output: Algae


Input:
Sentence1: Light enters the eye through an opening called the pupil.
Sentence2: Photons enter the eye through the pupil.

Output: pupil


Input:
Sentence1: shelter is used for protection by animals against weather.
Sentence2: Protective, supportive environments are used by animals against weather.

Output: against


Input:
Sentence1: shelter is used for protection by animals against weather.
Sentence2: Protective, supportive environments are used by animals against weather.

Output: animals


Input:
Sentence1: shelter is used for protection by animals against weather.
Sentence2: Protective, supportive environments are used by animals against weather.

Output: weather


Input:
Sentence1: Electron transport is the final stage of aerobic respiration.
Sentence2: Electron transport in the last stage of aerobic respiration.

Output: Electron


Input:
Sentence1: Electron transport is the final stage of aerobic respiration.
Sentence2: Electron transport in the last stage of aerobic respiration.

Output: transport


Input:
Sentence1: an earthquake causes the ground to shake.
Sentence2: Fault movement causes the ground to shake.

Output: ground


Input:
Sentence1: an earthquake causes the ground to shake.
Sentence2: Fault movement causes the ground to shake.

Output: shake


Input:
Sentence1: Plasma cells are activated B cells that secrete antibodies.
Sentence2: plasma cells are activated b cells that secrete that which when artificially produced is monoclonal.

Output: B


Input:
Sentence1: Plasma cells are activated B cells that secrete antibodies.
Sentence2: plasma cells are activated b cells that secrete that which when artificially produced is monoclonal.

Output: Plasma


Input:
Sentence1: Plasma cells are activated B cells that secrete antibodies.
Sentence2: plasma cells are activated b cells that secrete that which when artificially produced is monoclonal.

Output: activated


Input:
Sentence1: Plasma cells are activated B cells that secrete antibodies.
Sentence2: plasma cells are activated b cells that secrete that which when artificially produced is monoclonal.

Output: cells


Input:
Sentence1: electricity is used as an energy source by electrical devices.
Sentence2: Computers use electricity as an energy source.

Output: electricity


Input:
Sentence1: electricity is used as an energy source by electrical devices.
Sentence2: Computers use electricity as an energy source.

Output: energy


Input:
Sentence1: electricity is used as an energy source by electrical devices.
Sentence2: Computers use electricity as an energy source.

Output: source


Input:
Sentence1: a circle graph can be used to display percents.
Sentence2: Percents are decimal fractions.

Output: percents


Input:
Sentence1: Roundworms Nearly all puppies and kittens have roundworms.
Sentence2: Puppies and kittens may have parasitic worms.

Output: kittens


Input:
Sentence1: Roundworms Nearly all puppies and kittens have roundworms.
Sentence2: Puppies and kittens may have parasitic worms.

Output: puppies


Input:
Sentence1: Babies that are very large or very small at birth are less likely to survive.
Sentence2: Poor nutrition while in the womb is the major reason why babies are small at birth.

Output: birth


Input:
Sentence1: Babies that are very large or very small at birth are less likely to survive.
Sentence2: Poor nutrition while in the womb is the major reason why babies are small at birth.

Output: small


Input:
Sentence1: If there is a fierce emotion near a stream, that stream somehow records that.
Sentence2: when runoff or water seeping out of a spring when there is fierce emotion it can record it.

Output: emotion


Input:
Sentence1: If there is a fierce emotion near a stream, that stream somehow records that.
Sentence2: when runoff or water seeping out of a spring when there is fierce emotion it can record it.

Output: fierce


Input:
Sentence1: If there is a fierce emotion near a stream, that stream somehow records that.
Sentence2: when runoff or water seeping out of a spring when there is fierce emotion it can record it.

Output: records


Input:
Sentence1: chlorophyll is used for absorbing light energy by plants.
Sentence2: Chlorophyll is the plant's oxygen producer.

Output: chlorophyll


Input:
Sentence1: chlorophyll is used for absorbing light energy by plants.
Sentence2: Chlorophyll is the plant's oxygen producer.

Output: plants


Input:
Sentence1: boulders are formed by glaciers melting sometimes.
Sentence2: erratics are formed by glaciers melting.

Output: formed


Input:
Sentence1: Gaskets and thermal expansion increase the misalignment problem.
Sentence2: Increasing heat in gaskets can increase misalignment problems.

Output: Gaskets


Input:
Sentence1: Gaskets and thermal expansion increase the misalignment problem.
Sentence2: Increasing heat in gaskets can increase misalignment problems.

Output: misalignment


Input:
Sentence1: Gaskets and thermal expansion increase the misalignment problem.
Sentence2: Increasing heat in gaskets can increase misalignment problems.

Output: problem


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: when a hemisphere is tilted away from the sun , that hemisphere receives less direct energy.

Output: away


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: when a hemisphere is tilted away from the sun , that hemisphere receives less direct energy.

Output: direct


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: when a hemisphere is tilted away from the sun , that hemisphere receives less direct energy.

Output: hemisphere


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: when a hemisphere is tilted away from the sun , that hemisphere receives less direct energy.

Output: less


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: when a hemisphere is tilted away from the sun , that hemisphere receives less direct energy.

Output: receives


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: when a hemisphere is tilted away from the sun , that hemisphere receives less direct energy.

Output: sun


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: when a hemisphere is tilted away from the sun , that hemisphere receives less direct energy.

Output: tilted


Input:
Sentence1: Most protists have motility.
Sentence2: Motility is lost if the specimen dries.

Output: motility


Input:
Sentence1: An isotope capable of undergoing fission is called a fissile isotope .
Sentence2: fissile isotopes are capable of dividing into two parts.

Output: capable


Input:
Sentence1: An isotope capable of undergoing fission is called a fissile isotope .
Sentence2: fissile isotopes are capable of dividing into two parts.

Output: fissile


Input:
Sentence1: An isotope capable of undergoing fission is called a fissile isotope .
Sentence2: fissile isotopes are capable of dividing into two parts.

Output: isotope


Input:
Sentence1: sunlight and rain can cause a rainbow.
Sentence2: sunlight breaking through rain comes after a storm.

Output: rain


Input:
Sentence1: sunlight and rain can cause a rainbow.
Sentence2: sunlight breaking through rain comes after a storm.

Output: sunlight


Input:
Sentence1: dropping an object into water causes vibrations in the water.
Sentence2: dropping an object into liquid causes vibrations in the liquid.

Output: causes


Input:
Sentence1: dropping an object into water causes vibrations in the water.
Sentence2: dropping an object into liquid causes vibrations in the liquid.

Output: dropping


Input:
Sentence1: dropping an object into water causes vibrations in the water.
Sentence2: dropping an object into liquid causes vibrations in the liquid.

Output: into


Input:
Sentence1: dropping an object into water causes vibrations in the water.
Sentence2: dropping an object into liquid causes vibrations in the liquid.

Output: object


Input:
Sentence1: dropping an object into water causes vibrations in the water.
Sentence2: dropping an object into liquid causes vibrations in the liquid.

Output: vibrations


Input:
Sentence1: Moles spend most of their time underground.
Sentence2: Moles are especially adept at hiding from predators.

Output: Moles


Input:
Sentence1: DNA replication is the process in which DNA is copied.
Sentence2: DNA is replicated at the nuclear cage.

Output: DNA


Input:
Sentence1: Fungi are the only organisms that can decompose wood.
Sentence2: Fungi are the only organisms that can decompose lumber.

Output: Fungi


Input:
Sentence1: Fungi are the only organisms that can decompose wood.
Sentence2: Fungi are the only organisms that can decompose lumber.

Output: are


Input:
Sentence1: Fungi are the only organisms that can decompose wood.
Sentence2: Fungi are the only organisms that can decompose lumber.

Output: can


Input:
Sentence1: Fungi are the only organisms that can decompose wood.
Sentence2: Fungi are the only organisms that can decompose lumber.

Output: decompose


Input:
Sentence1: Fungi are the only organisms that can decompose wood.
Sentence2: Fungi are the only organisms that can decompose lumber.

Output: only


Input:
Sentence1: Fungi are the only organisms that can decompose wood.
Sentence2: Fungi are the only organisms that can decompose lumber.

Output: organisms


Input:
Sentence1: Fungi are the only organisms that can decompose wood.
Sentence2: Fungi are the only organisms that can decompose lumber.

Output: that


Input:
Sentence1: Fungi are the only organisms that can decompose wood.
Sentence2: Fungi are the only organisms that can decompose lumber.

Output: the


Input:
Sentence1: The atmosphere is mostly carbon dioxide .
Sentence2: fossil fuels increase carbon dioxide.

Output: carbon


Input:
Sentence1: The atmosphere is mostly carbon dioxide .
Sentence2: fossil fuels increase carbon dioxide.

Output: dioxide


Input:
Sentence1: Caecilians can be found in moist soil near rivers and streams in tropical regions.
Sentence2: Caecilians are primitive amphibians that resemble earthworms.

Output: Caecilians


Input:
Sentence1: Protein Protein is needed for tissue maintenance and repair.
Sentence2: protein repairs cells.

Output: Protein


Input:
Sentence1: Producers make food from inorganic molecules.
Sentence2: Green plants are producers .

Output: Producers


Input:
Sentence1: water vapor condensing in clouds causes rain.
Sentence2: water vapor condensing in clouds causes liquid precipitation?.

Output: clouds


Input:
Sentence1: water vapor condensing in clouds causes rain.
Sentence2: water vapor condensing in clouds causes liquid precipitation?.

Output: condensing


Input:
Sentence1: water vapor condensing in clouds causes rain.
Sentence2: water vapor condensing in clouds causes liquid precipitation?.

Output: vapor


Input:
Sentence1: water vapor condensing in clouds causes rain.
Sentence2: water vapor condensing in clouds causes liquid precipitation?.

Output: water


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: Saliva starts to break down the food.

Output: breaking


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: Saliva starts to break down the food.

Output: down


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: Saliva starts to break down the food.

Output: food


Input:
Sentence1: Fungi spores can develop into new haploid individuals without being fertilized.
Sentence2: fungi are multicellular.

Output: Fungi


Input:
Sentence1: Mammals have a layer of fat under the skin to help insulate the body.
Sentence2: Dietary fats are the fats found in foods.

Output: fat


Input:
Sentence1: a prism is used for refracting light.
Sentence2: prisms refract light.

Output: refracting


Input:
Sentence1: Most crabs are scavengers, such as the typical hermit crab .
Sentence2: some scavengers use the shells of dead snails for homes.

Output: scavengers


Input:
Sentence1: Food and minerals are both nutrients.
Sentence2: Absorption of minerals occurs mainly in the small intestine.

Output: minerals


Input:
Sentence1: absorbing sunlight causes objects to heat.
Sentence2: Leaves absorb sunlight.

Output: absorbing


Input:
Sentence1: absorbing sunlight causes objects to heat.
Sentence2: Leaves absorb sunlight.

Output: sunlight


Input:
Sentence1: Hermit crabs use the shells of dead snails for homes.
Sentence2: For example, home and house mean the same thing, but are different search terms.

Output: homes


Input:
Sentence1: Food spoils quickly at high temperature.
Sentence2: bacteria are more active at high temperatures.

Output: high


Input:
Sentence1: Food spoils quickly at high temperature.
Sentence2: bacteria are more active at high temperatures.

Output: temperature


Input:
Sentence1: Images include satellite and infrared pictures.
Sentence2: Satellites are used to take infrared pictures from space.

Output: infrared


Input:
Sentence1: Images include satellite and infrared pictures.
Sentence2: Satellites are used to take infrared pictures from space.

Output: pictures


Input:
Sentence1: Baby birds have an egg tooth, which they use to peck out of the egg.
Sentence2: baby birds have calcium carbonate shells.

Output: Baby


Input:
Sentence1: Baby birds have an egg tooth, which they use to peck out of the egg.
Sentence2: baby birds have calcium carbonate shells.

Output: birds


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: Graduated cylinders are used to measure the volume of the second form of matter.

Output: cylinder


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: Graduated cylinders are used to measure the volume of the second form of matter.

Output: graduated


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: Graduated cylinders are used to measure the volume of the second form of matter.

Output: measure


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: Graduated cylinders are used to measure the volume of the second form of matter.

Output: used


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: Graduated cylinders are used to measure the volume of the second form of matter.

Output: volume


Input:
Sentence1: gravity pulls objects towards planets.
Sentence2: Gravity is a force that pulls on things.

Output: gravity


Input:
Sentence1: a telephone is used for communication by humans over long distances.
Sentence2: telephones allow relationships to last distances.

Output: telephone


Input:
Sentence1: On match easily lights any fire.
Sentence2: matches convert chemical energy into light and heat energy.

Output: match


Input:
Sentence1: Viruses cannot reproduce by themselves.
Sentence2: Bats can also transmit rabies and rabies-like viruses.

Output: Viruses


Input:
Sentence1: Pulley A pulley makes work easier by changing direction of the force applied.
Sentence2: Heavy objects are lifted by changing the direction of force.

Output: changing


Input:
Sentence1: Pulley A pulley makes work easier by changing direction of the force applied.
Sentence2: Heavy objects are lifted by changing the direction of force.

Output: direction


Input:
Sentence1: Pulley A pulley makes work easier by changing direction of the force applied.
Sentence2: Heavy objects are lifted by changing the direction of force.

Output: force


Input:
Sentence1: Collar cells are the work horses of the sponge.
Sentence2: the work horses of the sponge have tiny hairs that trap the particles.

Output: horses


Input:
Sentence1: Collar cells are the work horses of the sponge.
Sentence2: the work horses of the sponge have tiny hairs that trap the particles.

Output: sponge


Input:
Sentence1: Collar cells are the work horses of the sponge.
Sentence2: the work horses of the sponge have tiny hairs that trap the particles.

Output: work


Input:
Sentence1: if a tree falls then sunlight becomes available to the surrounding plants.
Sentence2: If a tree falls, then sunlight becomes available to allow growth.

Output: available


Input:
Sentence1: if a tree falls then sunlight becomes available to the surrounding plants.
Sentence2: If a tree falls, then sunlight becomes available to allow growth.

Output: becomes


Input:
Sentence1: if a tree falls then sunlight becomes available to the surrounding plants.
Sentence2: If a tree falls, then sunlight becomes available to allow growth.

Output: falls


Input:
Sentence1: if a tree falls then sunlight becomes available to the surrounding plants.
Sentence2: If a tree falls, then sunlight becomes available to allow growth.

Output: sunlight


Input:
Sentence1: if a tree falls then sunlight becomes available to the surrounding plants.
Sentence2: If a tree falls, then sunlight becomes available to allow growth.

Output: then


Input:
Sentence1: if a tree falls then sunlight becomes available to the surrounding plants.
Sentence2: If a tree falls, then sunlight becomes available to allow growth.

Output: tree


Input:
Sentence1: waxy leaves are used for storing water by some plants.
Sentence2: Many cacti also have a waxy coating that helps the plant conserve moisture in desert climates.

Output: plants


Input:
Sentence1: Hydrothermal vents are powered by the heat of submarine volcanoes.
Sentence2: Organisms cluster around formations in the ocean floor powered by the heat of submarine volcanoes.

Output: heat


Input:
Sentence1: Hydrothermal vents are powered by the heat of submarine volcanoes.
Sentence2: Organisms cluster around formations in the ocean floor powered by the heat of submarine volcanoes.

Output: powered


Input:
Sentence1: Hydrothermal vents are powered by the heat of submarine volcanoes.
Sentence2: Organisms cluster around formations in the ocean floor powered by the heat of submarine volcanoes.

Output: submarine


Input:
Sentence1: Hydrothermal vents are powered by the heat of submarine volcanoes.
Sentence2: Organisms cluster around formations in the ocean floor powered by the heat of submarine volcanoes.

Output: volcanoes


Input:
Sentence1: dropping an object into water causes vibrations in the water.
Sentence2: Lateral line systems, usually found in fish, detect vibrations in the water.

Output: vibrations


Input:
Sentence1: dropping an object into water causes vibrations in the water.
Sentence2: Lateral line systems, usually found in fish, detect vibrations in the water.

Output: water


Input:
Sentence1: Because ferns lack flowers and seeds, they reproduce through spores.
Sentence2: ferns reproduce with spores.

Output: ferns


Input:
Sentence1: Polyps usually reproduce asexually.
Sentence2: Reefs are built by tiny organisms called polyps.

Output: Polyps


Input:
Sentence1: bacteria cause food poisoning.
Sentence2: Raw juices can cause food poisoning.

Output: food


Input:
Sentence1: bacteria cause food poisoning.
Sentence2: Raw juices can cause food poisoning.

Output: poisoning


Input:
Sentence1: Invertebrates are animals that lack a vertebral column, or backbone.
Sentence2: Fish are backboned aquatic animals.

Output: backbone


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: Friction causes the temperature of a toy to increase.

Output: causes


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: Friction causes the temperature of a toy to increase.

Output: friction


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: Friction causes the temperature of a toy to increase.

Output: increase


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: Friction causes the temperature of a toy to increase.

Output: of


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: Friction causes the temperature of a toy to increase.

Output: temperature


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: Friction causes the temperature of a toy to increase.

Output: the


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: Friction causes the temperature of a toy to increase.

Output: to


Input:
Sentence1: Minerals are chemical elements that are essential for body processes.
Sentence2: Eggs are loaded with vitamins and minerals.

Output: Minerals


Input:
Sentence1: chemical weathering causes iron in rock to oxidize.
Sentence2: Also pyrite within the altered wall rock is oxidized to limonite, geothite and hematite.

Output: oxidize


Input:
Sentence1: chemical weathering causes iron in rock to oxidize.
Sentence2: Also pyrite within the altered wall rock is oxidized to limonite, geothite and hematite.

Output: rock


Input:
Sentence1: acid rain has a negative impact on water quality.
Sentence2: Acid rain has a negative impact on plants.

Output: acid


Input:
Sentence1: acid rain has a negative impact on water quality.
Sentence2: Acid rain has a negative impact on plants.

Output: impact


Input:
Sentence1: acid rain has a negative impact on water quality.
Sentence2: Acid rain has a negative impact on plants.

Output: negative


Input:
Sentence1: acid rain has a negative impact on water quality.
Sentence2: Acid rain has a negative impact on plants.

Output: rain


Input:
Sentence1: Marine dolphins are endangered by fishing nets, speedboats, and pollution.
Sentence2: dolphins live mainly in shallow coastal waters.

Output: dolphins


Input:
Sentence1: sugar causes food to taste sweet.
Sentence2: Sugar causes tooth decay and unhealthy gums.

Output: causes


Input:
Sentence1: sugar causes food to taste sweet.
Sentence2: Sugar causes tooth decay and unhealthy gums.

Output: sugar


Input:
Sentence1: condensing means changing from a gas into a liquid by reducing heat energy.
Sentence2: Changing water vapor to a liquid is done by reducing heat energy.

Output: changing


Input:
Sentence1: condensing means changing from a gas into a liquid by reducing heat energy.
Sentence2: Changing water vapor to a liquid is done by reducing heat energy.

Output: energy


Input:
Sentence1: condensing means changing from a gas into a liquid by reducing heat energy.
Sentence2: Changing water vapor to a liquid is done by reducing heat energy.

Output: heat


Input:
Sentence1: condensing means changing from a gas into a liquid by reducing heat energy.
Sentence2: Changing water vapor to a liquid is done by reducing heat energy.

Output: reducing


Input:
Sentence1: Moisture is a necessary ingredient for the production of clouds and precipitation.
Sentence2: clouds are necessary for precipitation.

Output: clouds


Input:
Sentence1: a freezer is used for cooling things.
Sentence2: An ocean breeze and a freezer keep things cold.

Output: freezer


Input:
Sentence1: sandpaper is used to smooth wooden objects.
Sentence2: Sandpaper can be used to smooth tables.

Output: sandpaper


Input:
Sentence1: sandpaper is used to smooth wooden objects.
Sentence2: Sandpaper can be used to smooth tables.

Output: smooth


Input:
Sentence1: Human Embryonic Development Follows human development from fertilization through birth.
Sentence2: Pregnancy is  embryonic development.

Output: Development


Input:
Sentence1: Human Embryonic Development Follows human development from fertilization through birth.
Sentence2: Pregnancy is  embryonic development.

Output: Embryonic


Input:
Sentence1: ice wedging is when ice causes rocks to crack by expanding in openings.
Sentence2: when ice causes rocks to crack by expanding in openings, this is known as mechanical weathering.

Output: causes


Input:
Sentence1: ice wedging is when ice causes rocks to crack by expanding in openings.
Sentence2: when ice causes rocks to crack by expanding in openings, this is known as mechanical weathering.

Output: crack


Input:
Sentence1: ice wedging is when ice causes rocks to crack by expanding in openings.
Sentence2: when ice causes rocks to crack by expanding in openings, this is known as mechanical weathering.

Output: expanding


Input:
Sentence1: ice wedging is when ice causes rocks to crack by expanding in openings.
Sentence2: when ice causes rocks to crack by expanding in openings, this is known as mechanical weathering.

Output: ice


Input:
Sentence1: ice wedging is when ice causes rocks to crack by expanding in openings.
Sentence2: when ice causes rocks to crack by expanding in openings, this is known as mechanical weathering.

Output: openings


Input:
Sentence1: ice wedging is when ice causes rocks to crack by expanding in openings.
Sentence2: when ice causes rocks to crack by expanding in openings, this is known as mechanical weathering.

Output: rocks


Input:
Sentence1: Flooding causes much of the hurricane damage.
Sentence2: Heavy rains cause much of the hurricane damage.

Output: damage


Input:
Sentence1: Flooding causes much of the hurricane damage.
Sentence2: Heavy rains cause much of the hurricane damage.

Output: hurricane


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: Microevolution leading to macroevolution, discussed earlier, is one example.

Output: evolution


Input:
Sentence1: Direction is determined by velocity and intent.
Sentence2: A compass is used for determining velocity and intent.

Output: intent


Input:
Sentence1: Direction is determined by velocity and intent.
Sentence2: A compass is used for determining velocity and intent.

Output: velocity


Input:
Sentence1: the ovaries are used in reproduction.
Sentence2: Unlike most female animals, which have two functioning ovaries, the chicken usually has only one.

Output: ovaries


Input:
Sentence1: Most bryophytes are small.
Sentence2: most mosses, liverworts, and hornworts are small.

Output: Most


Input:
Sentence1: Most bryophytes are small.
Sentence2: most mosses, liverworts, and hornworts are small.

Output: small


Input:
Sentence1: measuring the hardness of minerals requires scratching those materials.
Sentence2: measuring gem hardness requires scratching them.

Output: hardness


Input:
Sentence1: measuring the hardness of minerals requires scratching those materials.
Sentence2: measuring gem hardness requires scratching them.

Output: measuring


Input:
Sentence1: measuring the hardness of minerals requires scratching those materials.
Sentence2: measuring gem hardness requires scratching them.

Output: requires


Input:
Sentence1: measuring the hardness of minerals requires scratching those materials.
Sentence2: measuring gem hardness requires scratching them.

Output: scratching


Input:
Sentence1: Amphibians are also important predators.
Sentence2: Acid snow kills important predators.

Output: important


Input:
Sentence1: Amphibians are also important predators.
Sentence2: Acid snow kills important predators.

Output: predators


Input:
Sentence1: the mass of a planet causes the pull of gravity on that planet.
Sentence2: Earth's mass causes the pull of gravity.

Output: causes


Input:
Sentence1: the mass of a planet causes the pull of gravity on that planet.
Sentence2: Earth's mass causes the pull of gravity.

Output: gravity


Input:
Sentence1: the mass of a planet causes the pull of gravity on that planet.
Sentence2: Earth's mass causes the pull of gravity.

Output: mass


Input:
Sentence1: the mass of a planet causes the pull of gravity on that planet.
Sentence2: Earth's mass causes the pull of gravity.

Output: of


Input:
Sentence1: the mass of a planet causes the pull of gravity on that planet.
Sentence2: Earth's mass causes the pull of gravity.

Output: pull


Input:
Sentence1: the mass of a planet causes the pull of gravity on that planet.
Sentence2: Earth's mass causes the pull of gravity.

Output: the


Input:
Sentence1: Stimuli are detected by sensory nerve cells.
Sentence2: When there is a release of pain, the nerve cells in the spinal cord are stimulated.

Output: cells


Input:
Sentence1: Stimuli are detected by sensory nerve cells.
Sentence2: When there is a release of pain, the nerve cells in the spinal cord are stimulated.

Output: nerve


Input:
Sentence1: Viruses are parasites of cells.
Sentence2: Populations of viruses do not grow through division because they are parasites.

Output: are


Input:
Sentence1: Viruses are parasites of cells.
Sentence2: Populations of viruses do not grow through division because they are parasites.

Output: parasites


Input:
Sentence1: a car engine usually converts gasoline into motion and heat through combustion.
Sentence2: Oxygen acts as an aid to combustion.

Output: combustion


Input:
Sentence1: a measuring cup is used for measuring the volume of substances.
Sentence2: a measuring cup is used for measuring the displacement of objects.

Output: cup


Input:
Sentence1: a measuring cup is used for measuring the volume of substances.
Sentence2: a measuring cup is used for measuring the displacement of objects.

Output: measuring


Input:
Sentence1: Oxygen is now penetrating the soil, increasing microbial activity.
Sentence2: looseness of soil increasing microbial activity.

Output: activity


Input:
Sentence1: Oxygen is now penetrating the soil, increasing microbial activity.
Sentence2: looseness of soil increasing microbial activity.

Output: increasing


Input:
Sentence1: Oxygen is now penetrating the soil, increasing microbial activity.
Sentence2: looseness of soil increasing microbial activity.

Output: microbial


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: A battery-powered computer requires a closed circuit for electricity to flow.

Output: battery


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: A battery-powered computer requires a closed circuit for electricity to flow.

Output: circuit


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: A battery-powered computer requires a closed circuit for electricity to flow.

Output: closed


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: A battery-powered computer requires a closed circuit for electricity to flow.

Output: electricity


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: A battery-powered computer requires a closed circuit for electricity to flow.

Output: flow


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: A battery-powered computer requires a closed circuit for electricity to flow.

Output: powering


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: gases released during the use of fossil fuels causes sea level rise.

Output: during


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: gases released during the use of fossil fuels causes sea level rise.

Output: fossil


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: gases released during the use of fossil fuels causes sea level rise.

Output: fuels


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: gases released during the use of fossil fuels causes sea level rise.

Output: gases


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: gases released during the use of fossil fuels causes sea level rise.

Output: released


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: gases released during the use of fossil fuels causes sea level rise.

Output: use


Input:
Sentence1: nerves can be used to feel heat and pressure on the skin.
Sentence2: The sensation of feeling heat and pressure on the skin is transmitted electrically.

Output: feel


Input:
Sentence1: nerves can be used to feel heat and pressure on the skin.
Sentence2: The sensation of feeling heat and pressure on the skin is transmitted electrically.

Output: heat


Input:
Sentence1: nerves can be used to feel heat and pressure on the skin.
Sentence2: The sensation of feeling heat and pressure on the skin is transmitted electrically.

Output: pressure


Input:
Sentence1: nerves can be used to feel heat and pressure on the skin.
Sentence2: The sensation of feeling heat and pressure on the skin is transmitted electrically.

Output: skin


Input:
Sentence1: Fish include trout and other fish.
Sentence2: Trout have a centralized nervous system with a brain.

Output: trout


Input:
Sentence1: Electricity is electrons in motion.
Sentence2: a solar panel converts sunlight into electrons in motion.

Output: electrons


Input:
Sentence1: Electricity is electrons in motion.
Sentence2: a solar panel converts sunlight into electrons in motion.

Output: motion


Input:
Sentence1: Rivers are usually larger than streams.
Sentence2: Second half becomes rocky with small stream crossings some standing water.

Output: streams


Input:
Sentence1: Mollusks are bilateraly symetrical and are protostomes.
Sentence2: The common snail is bilaterally symmetrical and a protostome.

Output: bilateraly


Input:
Sentence1: Mollusks are bilateraly symetrical and are protostomes.
Sentence2: The common snail is bilaterally symmetrical and a protostome.

Output: protostomes


Input:
Sentence1: Mollusks are bilateraly symetrical and are protostomes.
Sentence2: The common snail is bilaterally symmetrical and a protostome.

Output: symetrical


Input:
Sentence1: On high heat, bring to a boil.
Sentence2: Boiling salt water causes the water to evaporate while leaving salt behind.

Output: boil


Input:
Sentence1: Most plant fibers are comprised of cellulose.
Sentence2: fibers are composed of cellulose.

Output: fibers


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: A compound which can donate a proton from burning coal and oil dissolving in water in the atmosphere causes a compound which can donate a proton rain.

Output: atmosphere


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: A compound which can donate a proton from burning coal and oil dissolving in water in the atmosphere causes a compound which can donate a proton rain.

Output: burning


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: A compound which can donate a proton from burning coal and oil dissolving in water in the atmosphere causes a compound which can donate a proton rain.

Output: coal


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: A compound which can donate a proton from burning coal and oil dissolving in water in the atmosphere causes a compound which can donate a proton rain.

Output: dissolving


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: A compound which can donate a proton from burning coal and oil dissolving in water in the atmosphere causes a compound which can donate a proton rain.

Output: oil


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: A compound which can donate a proton from burning coal and oil dissolving in water in the atmosphere causes a compound which can donate a proton rain.

Output: rain


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: A compound which can donate a proton from burning coal and oil dissolving in water in the atmosphere causes a compound which can donate a proton rain.

Output: water


Input:
Sentence1: Clouds are made of moisture and the moisture is from the water evaporating.
Sentence2: Lack of water in the air causes low amounts of rainfall.

Output: water


Input:
Sentence1: Examples include influenza, rabies, HIV, and Herpes viruses.
Sentence2: Influenza causes human disease.

Output: influenza


Input:
Sentence1: Food is the best source of nutrients for the body.
Sentence2: The small intestine is the main place where food absorption occurs.

Output: Food


Input:
Sentence1: water causes refraction of light.
Sentence2: When light shines through a drop of water or prism, it bends or is refracted inside the droplet.

Output: refraction


Input:
Sentence1: Air pollution harms the respiratory and circulatory systems.
Sentence2: Breathing air pollutants can increase the chances of experiencing health problems.

Output: Air


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

Output: electricity


Input:
Sentence1: Hookworm larvae enter the host through the skin.
Sentence2: Skin is comprised of two layers, the epidermis and dermis.

Output: skin


Input:
Sentence1: Each step along a food chain is known as a trophic level.
Sentence2: Many consumers feed at more than one step along a food chain.

Output: along


Input:
Sentence1: Each step along a food chain is known as a trophic level.
Sentence2: Many consumers feed at more than one step along a food chain.

Output: chain


Input:
Sentence1: Each step along a food chain is known as a trophic level.
Sentence2: Many consumers feed at more than one step along a food chain.

Output: food


Input:
Sentence1: Each step along a food chain is known as a trophic level.
Sentence2: Many consumers feed at more than one step along a food chain.

Output: step


Input:
Sentence1: heating an egg causes a chemical reaction in the egg.
Sentence2: Warming in a skillet causes a chemical reaction in an egg.

Output: causes


Input:
Sentence1: heating an egg causes a chemical reaction in the egg.
Sentence2: Warming in a skillet causes a chemical reaction in an egg.

Output: chemical


Input:
Sentence1: heating an egg causes a chemical reaction in the egg.
Sentence2: Warming in a skillet causes a chemical reaction in an egg.

Output: egg


Input:
Sentence1: heating an egg causes a chemical reaction in the egg.
Sentence2: Warming in a skillet causes a chemical reaction in an egg.

Output: reaction


Input:
Sentence1: eating something that contains pollutants has a negative impact on an organism 's survival.
Sentence2: Eating something that contains pollutants can kill directly and selectively.

Output: contains


Input:
Sentence1: eating something that contains pollutants has a negative impact on an organism 's survival.
Sentence2: Eating something that contains pollutants can kill directly and selectively.

Output: eating


Input:
Sentence1: eating something that contains pollutants has a negative impact on an organism 's survival.
Sentence2: Eating something that contains pollutants can kill directly and selectively.

Output: pollutants


Input:
Sentence1: eating something that contains pollutants has a negative impact on an organism 's survival.
Sentence2: Eating something that contains pollutants can kill directly and selectively.

Output: something


Input:
Sentence1: eating something that contains pollutants has a negative impact on an organism 's survival.
Sentence2: Eating something that contains pollutants can kill directly and selectively.

Output: that


Input:
Sentence1: Geckos hatch from eggs.
Sentence2: Geckos go through larval stages while growing.

Output: Geckos


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

Output: compass


Input:
Sentence1: Viruses are not affected by antibiotics.
Sentence2: The flu is not affected by antibiotics, only a vaccine.

Output: affected


Input:
Sentence1: Viruses are not affected by antibiotics.
Sentence2: The flu is not affected by antibiotics, only a vaccine.

Output: antibiotics


Input:
Sentence1: Viruses are not affected by antibiotics.
Sentence2: The flu is not affected by antibiotics, only a vaccine.

Output: not


Input:
Sentence1: poison causes harm to living things.
Sentence2: poison causes harm to human beings.

Output: causes


Input:
Sentence1: poison causes harm to living things.
Sentence2: poison causes harm to human beings.

Output: harm


Input:
Sentence1: poison causes harm to living things.
Sentence2: poison causes harm to human beings.

Output: poison


Input:
Sentence1: a thermometer is used to measure temperature.
Sentence2: Heat and temperature are the same.

Output: temperature


Input:
Sentence1: An electric circuit is a closed path for electron flow.
Sentence2: Powering an electrical device with a battery requires electron flow.

Output: electron


Input:
Sentence1: An electric circuit is a closed path for electron flow.
Sentence2: Powering an electrical device with a battery requires electron flow.

Output: flow


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: Better senses have a positive impact on an animal's life.

Output: 's


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: Better senses have a positive impact on an animal's life.

Output: animal


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: Better senses have a positive impact on an animal's life.

Output: better


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: Better senses have a positive impact on an animal's life.

Output: impact


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: Better senses have a positive impact on an animal's life.

Output: positive


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: Better senses have a positive impact on an animal's life.

Output: senses


Input:
Sentence1: White eye color is a recessive trait.
Sentence2: crossing two living things with white eyes causes their offspring to have white eyes.

Output: White


Input:
Sentence1: White eye color is a recessive trait.
Sentence2: crossing two living things with white eyes causes their offspring to have white eyes.

Output: eye


Input:
Sentence1: thirst is used to make an animal realize that it needs to replenish its bodily water by the body.
Sentence2: Animals need to replenish water to avoid dehydration.

Output: animal


Input:
Sentence1: thirst is used to make an animal realize that it needs to replenish its bodily water by the body.
Sentence2: Animals need to replenish water to avoid dehydration.

Output: replenish


Input:
Sentence1: thirst is used to make an animal realize that it needs to replenish its bodily water by the body.
Sentence2: Animals need to replenish water to avoid dehydration.

Output: water


Input:
Sentence1: an earthquake causes the ground to shake.
Sentence2: The earthquake produced severe building damage.

Output: causes


Input:
Sentence1: bacteria cause food to spoil.
Sentence2: Food poisoning occurs when spoiled food is eaten.

Output: spoil


Input:
Sentence1: Hairs stand on end, the heart races and fight or flight hormones flood the body.
Sentence2: threatening behavior causes the heart to race and hormones to flood the body.

Output: body


Input:
Sentence1: Hairs stand on end, the heart races and fight or flight hormones flood the body.
Sentence2: threatening behavior causes the heart to race and hormones to flood the body.

Output: flood


Input:
Sentence1: Hairs stand on end, the heart races and fight or flight hormones flood the body.
Sentence2: threatening behavior causes the heart to race and hormones to flood the body.

Output: heart


Input:
Sentence1: Hairs stand on end, the heart races and fight or flight hormones flood the body.
Sentence2: threatening behavior causes the heart to race and hormones to flood the body.

Output: hormones


Input:
Sentence1: Hairs stand on end, the heart races and fight or flight hormones flood the body.
Sentence2: threatening behavior causes the heart to race and hormones to flood the body.

Output: races


Input:
Sentence1: Insects have three body parts, a distinct head, thorax, and abdomen.
Sentence2: A pesticide is used for protecting plants by killing something with a head, thorax, and abdoment.

Output: abdomen


Input:
Sentence1: Insects have three body parts, a distinct head, thorax, and abdomen.
Sentence2: A pesticide is used for protecting plants by killing something with a head, thorax, and abdoment.

Output: head


Input:
Sentence1: Insects have three body parts, a distinct head, thorax, and abdomen.
Sentence2: A pesticide is used for protecting plants by killing something with a head, thorax, and abdoment.

Output: thorax


Input:
Sentence1: Electric power is ready to use at the flip of a switch.
Sentence2: current flow gives electric power.

Output: Electric


Input:
Sentence1: Electric power is ready to use at the flip of a switch.
Sentence2: current flow gives electric power.

Output: power


Input:
Sentence1: Water is essential for all life on Earth.
Sentence2: For example, H20 is the molecule of water-made up of two atoms Hydrogen and one atom of Oxygen.

Output: Water


Input:
Sentence1: Echinoderms lack respiratory and excretory systems.
Sentence2: echinoids lack a respiratory system.

Output: respiratory


Input:
Sentence1: Echinoderms lack respiratory and excretory systems.
Sentence2: echinoids lack a respiratory system.

Output: systems


Input:
Sentence1: Enzymes help to break down proteins so that the bacteria can do their thing better.
Sentence2: cells secrete acids to break down proteins.

Output: break


Input:
Sentence1: Enzymes help to break down proteins so that the bacteria can do their thing better.
Sentence2: cells secrete acids to break down proteins.

Output: down


Input:
Sentence1: Enzymes help to break down proteins so that the bacteria can do their thing better.
Sentence2: cells secrete acids to break down proteins.

Output: proteins


Input:
Sentence1: insect bites cause harm to living things.
Sentence2: Insect repellents are used against flea bites.

Output: insect


Input:
Sentence1: Snails are protected by a hard shell on their backs.
Sentence2: some invertebrates are protected by a hard shell on their backs.

Output: backs


Input:
Sentence1: Snails are protected by a hard shell on their backs.
Sentence2: some invertebrates are protected by a hard shell on their backs.

Output: hard


Input:
Sentence1: Snails are protected by a hard shell on their backs.
Sentence2: some invertebrates are protected by a hard shell on their backs.

Output: protected


Input:
Sentence1: Snails are protected by a hard shell on their backs.
Sentence2: some invertebrates are protected by a hard shell on their backs.

Output: shell


Input:
Sentence1: Snails are protected by a hard shell on their backs.
Sentence2: some invertebrates are protected by a hard shell on their backs.

Output: their


Input:
Sentence1: the sun causes water to evaporate more quickly by adding heat.
Sentence2: Energy is used to evaporate water.

Output: evaporate


Input:
Sentence1: the sun causes water to evaporate more quickly by adding heat.
Sentence2: Energy is used to evaporate water.

Output: water


Input:
Sentence1: Light is the visible form of electromagnetic energy.
Sentence2: Electromagnetic energy enters the eye through an opening called the pupil.

Output: electromagnetic


Input:
Sentence1: Light is the visible form of electromagnetic energy.
Sentence2: Electromagnetic energy enters the eye through an opening called the pupil.

Output: energy


Input:
Sentence1: recycling reduces the resources needed to make something.
Sentence2: bottles can reduce resources used.

Output: reduces


Input:
Sentence1: recycling reduces the resources needed to make something.
Sentence2: bottles can reduce resources used.

Output: resources


Input:
Sentence1: navigation requires knowing direction.
Sentence2: Direction is designated first in reference to North or South, then to East or West.

Output: direction


Input:
Sentence1: Tidal energy is one of the oldest forms of energy used by humans.
Sentence2: One of the oldest forms of energy used by humans can be used to produce electricity.

Output: energy


Input:
Sentence1: Tidal energy is one of the oldest forms of energy used by humans.
Sentence2: One of the oldest forms of energy used by humans can be used to produce electricity.

Output: forms


Input:
Sentence1: Tidal energy is one of the oldest forms of energy used by humans.
Sentence2: One of the oldest forms of energy used by humans can be used to produce electricity.

Output: humans


Input:
Sentence1: Tidal energy is one of the oldest forms of energy used by humans.
Sentence2: One of the oldest forms of energy used by humans can be used to produce electricity.

Output: oldest


Input:
Sentence1: Tidal energy is one of the oldest forms of energy used by humans.
Sentence2: One of the oldest forms of energy used by humans can be used to produce electricity.

Output: used


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Amphibians have permeable skin that can easily absorb toxins from bacterias, plants or animals.

Output: Amphibians


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Amphibians have permeable skin that can easily absorb toxins from bacterias, plants or animals.

Output: absorbs


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Amphibians have permeable skin that can easily absorb toxins from bacterias, plants or animals.

Output: easily


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Amphibians have permeable skin that can easily absorb toxins from bacterias, plants or animals.

Output: permeable


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Amphibians have permeable skin that can easily absorb toxins from bacterias, plants or animals.

Output: skin


Input:
Sentence1: having no natural predators increases population size.
Sentence2: Hawks have no natural predators.

Output: natural


Input:
Sentence1: having no natural predators increases population size.
Sentence2: Hawks have no natural predators.

Output: predators


Input:
Sentence1: Reproduction is the process by which living things give rise to offspring.
Sentence2: Reproduction is the process by which genes are passed.

Output: Reproduction


Input:
Sentence1: Reproduction is the process by which living things give rise to offspring.
Sentence2: Reproduction is the process by which genes are passed.

Output: by


Input:
Sentence1: Reproduction is the process by which living things give rise to offspring.
Sentence2: Reproduction is the process by which genes are passed.

Output: living


Input:
Sentence1: Reproduction is the process by which living things give rise to offspring.
Sentence2: Reproduction is the process by which genes are passed.

Output: process


Input:
Sentence1: Reproduction is the process by which living things give rise to offspring.
Sentence2: Reproduction is the process by which genes are passed.

Output: things


Input:
Sentence1: Reproduction is the process by which living things give rise to offspring.
Sentence2: Reproduction is the process by which genes are passed.

Output: which


Input:
Sentence1: ink is used for hiding from predators by octopuses.
Sentence2: Octopuses are particularly preyed upon by eels in all shapes and sizes.

Output: octopuses


Input:
Sentence1: Perishable food is what refrigerators, freezers, preservatives, and expiration dates are all about.
Sentence2: Cooling things is a way to keep perishable foods.

Output: Perishable


Input:
Sentence1: Perishable food is what refrigerators, freezers, preservatives, and expiration dates are all about.
Sentence2: Cooling things is a way to keep perishable foods.

Output: food


Input:
Sentence1: Sulfur is a good electrical insulator.
Sentence2: Sulfur slows the transfer of electricity.

Output: Sulfur


Input:
Sentence1: Animals use saturated fatty acids to store energy.
Sentence2: Animals store excess energy as fat.

Output: Animals


Input:
Sentence1: Animals that survive by catching prey or escaping predators have special adaptations for running.
Sentence2: predators eat prey.

Output: predators


Input:
Sentence1: Brakes work because friction acts against slip.
Sentence2: braking causes the temperature of an object to increase.

Output: Brakes


Input:
Sentence1: Generally, pheromones are volatile substances.
Sentence2: Male dogs use volatile substances in urine to mark their territory.

Output: substances


Input:
Sentence1: Generally, pheromones are volatile substances.
Sentence2: Male dogs use volatile substances in urine to mark their territory.

Output: volatile


Input:
Sentence1: Electric motors convert electrical energy into mechanical energy.
Sentence2: electric motors and stoves transform electricity.

Output: motors


Input:
Sentence1: Mackinac Bridge: Completed in 1957, the five-mile-long suspension bridge (WORLD'S LONGEST SUSPENSION BRIDGE) connects Michigan's peninsulas across the Straits of Mackinac.
Sentence2: cables are used for support by the bridge that connects Michigan's peninsulas.

Output: Michigan's


Input:
Sentence1: Mackinac Bridge: Completed in 1957, the five-mile-long suspension bridge (WORLD'S LONGEST SUSPENSION BRIDGE) connects Michigan's peninsulas across the Straits of Mackinac.
Sentence2: cables are used for support by the bridge that connects Michigan's peninsulas.

Output: connects


Input:
Sentence1: Mackinac Bridge: Completed in 1957, the five-mile-long suspension bridge (WORLD'S LONGEST SUSPENSION BRIDGE) connects Michigan's peninsulas across the Straits of Mackinac.
Sentence2: cables are used for support by the bridge that connects Michigan's peninsulas.

Output: peninsulas


Input:
Sentence1: Wind erosion is slowed by wind barriers such as trees and shrubs.
Sentence2: trees block erosion.

Output: trees


Input:
Sentence1: Mammals that are viviparous are called therian mammals.
Sentence2: Mammals Mammals are warm-blooded vertebrates.

Output: Mammals


Input:
Sentence1: Shade trees can be deciduous.
Sentence2: Some shade trees can shed their leaves.

Output: Shade


Input:
Sentence1: Shade trees can be deciduous.
Sentence2: Some shade trees can shed their leaves.

Output: trees


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

Output: protein


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

Output: repair


Input:
Sentence1: Legumes are typical of that type of plant.
Sentence2: legumes require nutrients to grow.

Output: Legumes


Input:
Sentence1: Germs can contaminate surfaces and objects around the water.
Sentence2: Scraping oneself on surfaces or things that have germs may cause infection.

Output: Germs


Input:
Sentence1: Germs can contaminate surfaces and objects around the water.
Sentence2: Scraping oneself on surfaces or things that have germs may cause infection.

Output: surfaces


Input:
Sentence1: the force of water against the seed coat causes a root to emerge from a seed.
Sentence2: The force of water helps a root sprout.

Output: force


Input:
Sentence1: the force of water against the seed coat causes a root to emerge from a seed.
Sentence2: The force of water helps a root sprout.

Output: water


Input:
Sentence1: Crocodiles, snakes, and lizards are all types of reptiles.
Sentence2: Crocodiles are a type of tetrapod vertebrates that make amniotic eggs.

Output: Crocodiles


Input:
Sentence1: All animals are heterotrophs.
Sentence2: Proteins are an essential nutrient for animals.

Output: animals


Input:
Sentence1: Secondary meristem is located within and around the vascular tissues.
Sentence2: Plant cells around the vascular tissues are created by mitosis.

Output: tissues


Input:
Sentence1: Secondary meristem is located within and around the vascular tissues.
Sentence2: Plant cells around the vascular tissues are created by mitosis.

Output: vascular


Input:
Sentence1: Polyps usually reproduce asexually.
Sentence2: benign growths in the colon reproduce asexually.

Output: asexually


Input:
Sentence1: Polyps usually reproduce asexually.
Sentence2: benign growths in the colon reproduce asexually.

Output: reproduce


Input:
Sentence1: vinegar can cause harm to the eyes.
Sentence2: It is this bacteria which turns alcohol into acetic acid, the main component of vinegar.

Output: vinegar


Input:
Sentence1: a rainbow is formed by refraction of light by separating light into all different colors.
Sentence2: a rainbow is formed by bending of light by separating light into all different colors.

Output: colors


Input:
Sentence1: a rainbow is formed by refraction of light by separating light into all different colors.
Sentence2: a rainbow is formed by bending of light by separating light into all different colors.

Output: different


Input:
Sentence1: a rainbow is formed by refraction of light by separating light into all different colors.
Sentence2: a rainbow is formed by bending of light by separating light into all different colors.

Output: formed


Input:
Sentence1: a rainbow is formed by refraction of light by separating light into all different colors.
Sentence2: a rainbow is formed by bending of light by separating light into all different colors.

Output: light


Input:
Sentence1: a rainbow is formed by refraction of light by separating light into all different colors.
Sentence2: a rainbow is formed by bending of light by separating light into all different colors.

Output: rainbow


Input:
Sentence1: a rainbow is formed by refraction of light by separating light into all different colors.
Sentence2: a rainbow is formed by bending of light by separating light into all different colors.

Output: separating


Input:
Sentence1: Plants are heat and drought tolerant.
Sentence2: if a plant requires less water then the plant will survive and is heat tolerent.

Output: heat


Input:
Sentence1: Plants are heat and drought tolerant.
Sentence2: if a plant requires less water then the plant will survive and is heat tolerent.

Output: tolerant


Input:
Sentence1: a calculator is used for adding.
Sentence2: Calculator Use an online calculator.

Output: calculator


Input:
Sentence1: decomposition increases amount of organic matter in soil.
Sentence2: decomposition increases amount of nutrients in soil.

Output: amount


Input:
Sentence1: decomposition increases amount of organic matter in soil.
Sentence2: decomposition increases amount of nutrients in soil.

Output: decomposition


Input:
Sentence1: decomposition increases amount of organic matter in soil.
Sentence2: decomposition increases amount of nutrients in soil.

Output: increases


Input:
Sentence1: decomposition increases amount of organic matter in soil.
Sentence2: decomposition increases amount of nutrients in soil.

Output: soil


Input:
Sentence1: Fat, like protein, is a nutrient.
Sentence2: Absorption of fat and protein occurs mainly in the small intestine.

Output: Fat


Input:
Sentence1: Fat, like protein, is a nutrient.
Sentence2: Absorption of fat and protein occurs mainly in the small intestine.

Output: protein


Input:
Sentence1: Nonmetal elements are far fewer in number.
Sentence2: There are 17 nonmetals on the periodic table.

Output: Nonmetal


Input:
Sentence1: Placental mammals are therian mammals in which a placenta develops during pregnancy.
Sentence2: Mammals that are therians house the embryo until it is complete during pregnancy.

Output: during


Input:
Sentence1: Placental mammals are therian mammals in which a placenta develops during pregnancy.
Sentence2: Mammals that are therians house the embryo until it is complete during pregnancy.

Output: mammals


Input:
Sentence1: Placental mammals are therian mammals in which a placenta develops during pregnancy.
Sentence2: Mammals that are therians house the embryo until it is complete during pregnancy.

Output: pregnancy


Input:
Sentence1: Placental mammals are therian mammals in which a placenta develops during pregnancy.
Sentence2: Mammals that are therians house the embryo until it is complete during pregnancy.

Output: therian


Input:
Sentence1: Paleontologists build fires with natural vegetation.
Sentence2: Scientists who find and study fossils build fires with natural vegetation.

Output: build


Input:
Sentence1: Paleontologists build fires with natural vegetation.
Sentence2: Scientists who find and study fossils build fires with natural vegetation.

Output: fires


Input:
Sentence1: Paleontologists build fires with natural vegetation.
Sentence2: Scientists who find and study fossils build fires with natural vegetation.

Output: natural


Input:
Sentence1: Paleontologists build fires with natural vegetation.
Sentence2: Scientists who find and study fossils build fires with natural vegetation.

Output: vegetation


Input:
Sentence1: Hormone therapy Hormones are substances that occur naturally in the body.
Sentence2: Substances in the pituitary control the endocrine glands.

Output: substances


Input:
Sentence1: Absorption of nutrients occurs mainly in the small intestine.
Sentence2: Diarrhea reduces the absorption of all nutrients.

Output: Absorption


Input:
Sentence1: Absorption of nutrients occurs mainly in the small intestine.
Sentence2: Diarrhea reduces the absorption of all nutrients.

Output: nutrients


Input:
Sentence1: Pollen consists of tiny grains that are the male gametes of plants.
Sentence2: Plants produce pollen in the spring.

Output: Pollen


Input:
Sentence1: Negative feedback controls insulin secretion by the pancreas.
Sentence2: Insulin and glucagon are produced by the pancreas.

Output: pancreas


Input:
Sentence1: Habitat loss and hunting are the two major causes for their declining populations.
Sentence2: Habitat loss and hunting can cause harm to an animal species.

Output: Habitat


Input:
Sentence1: Habitat loss and hunting are the two major causes for their declining populations.
Sentence2: Habitat loss and hunting can cause harm to an animal species.

Output: hunting


Input:
Sentence1: Habitat loss and hunting are the two major causes for their declining populations.
Sentence2: Habitat loss and hunting can cause harm to an animal species.

Output: loss


Input:
Sentence1: triceps contracting causes a person 's elbow to straighten.
Sentence2: upper arm muscles contracting causes a person 's elbow to straighten.

Output: causes


Input:
Sentence1: triceps contracting causes a person 's elbow to straighten.
Sentence2: upper arm muscles contracting causes a person 's elbow to straighten.

Output: contracting


Input:
Sentence1: triceps contracting causes a person 's elbow to straighten.
Sentence2: upper arm muscles contracting causes a person 's elbow to straighten.

Output: elbow


Input:
Sentence1: triceps contracting causes a person 's elbow to straighten.
Sentence2: upper arm muscles contracting causes a person 's elbow to straighten.

Output: person


Input:
Sentence1: triceps contracting causes a person 's elbow to straighten.
Sentence2: upper arm muscles contracting causes a person 's elbow to straighten.

Output: straighten


Input:
Sentence1: melting is when solids are heated above their melting point.
Sentence2: melting rocks forms magma.

Output: melting


Input:
Sentence1: Limestone Limestone Limestone is a grey rock that is made of calcite.
Sentence2: A cavern is formed when calcite is dissolved.

Output: calcite


Input:
Sentence1: Pushes and pulls can change the movement of an object.
Sentence2: Pushes and pulls can change the movement of something or have it remain stationary.

Output: Pushes


Input:
Sentence1: Pushes and pulls can change the movement of an object.
Sentence2: Pushes and pulls can change the movement of something or have it remain stationary.

Output: change


Input:
Sentence1: Pushes and pulls can change the movement of an object.
Sentence2: Pushes and pulls can change the movement of something or have it remain stationary.

Output: movement


Input:
Sentence1: Pushes and pulls can change the movement of an object.
Sentence2: Pushes and pulls can change the movement of something or have it remain stationary.

Output: pulls


Input:
Sentence1: Soil Erosion Soil erosion is a natural process.
Sentence2: wind causes natural processes in the soil to happen.

Output: natural


Input:
Sentence1: Soil Erosion Soil erosion is a natural process.
Sentence2: wind causes natural processes in the soil to happen.

Output: process


Input:
Sentence1: Evolution causes species to change over time.
Sentence2: Mutations are required for species to change over time.

Output: change


Input:
Sentence1: Evolution causes species to change over time.
Sentence2: Mutations are required for species to change over time.

Output: over


Input:
Sentence1: Evolution causes species to change over time.
Sentence2: Mutations are required for species to change over time.

Output: species


Input:
Sentence1: Evolution causes species to change over time.
Sentence2: Mutations are required for species to change over time.

Output: time


Input:
Sentence1: skin is used for breathing air by frogs.
Sentence2: Frogs breathe through their skin which is porous.

Output: breathing


Input:
Sentence1: skin is used for breathing air by frogs.
Sentence2: Frogs breathe through their skin which is porous.

Output: frogs


Input:
Sentence1: Nephrons are the structural and functional units of the kidneys.
Sentence2: nephrons are the structural and functional units of the organs that manufacture urine.

Output: Nephrons


Input:
Sentence1: Nephrons are the structural and functional units of the kidneys.
Sentence2: nephrons are the structural and functional units of the organs that manufacture urine.

Output: functional


Input:
Sentence1: Nephrons are the structural and functional units of the kidneys.
Sentence2: nephrons are the structural and functional units of the organs that manufacture urine.

Output: structural


Input:
Sentence1: Nephrons are the structural and functional units of the kidneys.
Sentence2: nephrons are the structural and functional units of the organs that manufacture urine.

Output: units


Input:
Sentence1: Meter sticks have units called centimeters and millimeters.
Sentence2: Centimeters and millimeters are units of distance.

Output: centimeters


Input:
Sentence1: Meter sticks have units called centimeters and millimeters.
Sentence2: Centimeters and millimeters are units of distance.

Output: millimeters


Input:
Sentence1: Meter sticks have units called centimeters and millimeters.
Sentence2: Centimeters and millimeters are units of distance.

Output: units


Input:
Sentence1: Spores may be dispersed by moving water, wind, or other organisms.
Sentence2: fungi can reproduce with help from moving water, wind, or other organisms.

Output: moving


Input:
Sentence1: Spores may be dispersed by moving water, wind, or other organisms.
Sentence2: fungi can reproduce with help from moving water, wind, or other organisms.

Output: organisms


Input:
Sentence1: Spores may be dispersed by moving water, wind, or other organisms.
Sentence2: fungi can reproduce with help from moving water, wind, or other organisms.

Output: other


Input:
Sentence1: Spores may be dispersed by moving water, wind, or other organisms.
Sentence2: fungi can reproduce with help from moving water, wind, or other organisms.

Output: water


Input:
Sentence1: Spores may be dispersed by moving water, wind, or other organisms.
Sentence2: fungi can reproduce with help from moving water, wind, or other organisms.

Output: wind


Input:
Sentence1: Climate refers to weather over a long period of time.
Sentence2: weather is generally described in terms of temperature and moisture.

Output: long


Input:
Sentence1: Climate refers to weather over a long period of time.
Sentence2: weather is generally described in terms of temperature and moisture.

Output: over


Input:
Sentence1: Climate refers to weather over a long period of time.
Sentence2: weather is generally described in terms of temperature and moisture.

Output: period


Input:
Sentence1: Climate refers to weather over a long period of time.
Sentence2: weather is generally described in terms of temperature and moisture.

Output: time


Input:
Sentence1: Climate refers to weather over a long period of time.
Sentence2: weather is generally described in terms of temperature and moisture.

Output: weather


Input:
Sentence1: Viruses Viruses Viruses are simple units which invade cells.
Sentence2: Viruses are simple units which are neither prokaryotes nor eukaryotes.

Output: Viruses


Input:
Sentence1: Viruses Viruses Viruses are simple units which invade cells.
Sentence2: Viruses are simple units which are neither prokaryotes nor eukaryotes.

Output: simple


Input:
Sentence1: Viruses Viruses Viruses are simple units which invade cells.
Sentence2: Viruses are simple units which are neither prokaryotes nor eukaryotes.

Output: units


Input:
Sentence1: Viruses Viruses Viruses are simple units which invade cells.
Sentence2: Viruses are simple units which are neither prokaryotes nor eukaryotes.

Output: which


Input:
Sentence1: an animal requires air for survival.
Sentence2: air is required for breathing.

Output: requires


Input:
Sentence1: Carbon exists as a free mineral in graphite and diamond.
Sentence2: carbon is in pencil lead.

Output: Carbon


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: A false theory is evolution over geologic time above the level of the species.

Output: above


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: A false theory is evolution over geologic time above the level of the species.

Output: evolution


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: A false theory is evolution over geologic time above the level of the species.

Output: geologic


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: A false theory is evolution over geologic time above the level of the species.

Output: level


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: A false theory is evolution over geologic time above the level of the species.

Output: over


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: A false theory is evolution over geologic time above the level of the species.

Output: species


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: A false theory is evolution over geologic time above the level of the species.

Output: time


Input:
Sentence1: Plants live just about everywhere on Earth.
Sentence2: epiphytes live everywhere on earth.

Output: everywhere


Input:
Sentence1: Amphibians also have immune cells arranged into organs.
Sentence2: Amphibians also have immune cells arranged to smell and taste chemicals.

Output: arranged


Input:
Sentence1: Amphibians also have immune cells arranged into organs.
Sentence2: Amphibians also have immune cells arranged to smell and taste chemicals.

Output: cells


Input:
Sentence1: Amphibians also have immune cells arranged into organs.
Sentence2: Amphibians also have immune cells arranged to smell and taste chemicals.

Output: immune


Input:
Sentence1: Sponges have specialized cells called collar cells.
Sentence2: Sponges use specialized cells with flagellum to collect food.

Output: Sponges


Input:
Sentence1: Sponges have specialized cells called collar cells.
Sentence2: Sponges use specialized cells with flagellum to collect food.

Output: cells


Input:
Sentence1: Sponges have specialized cells called collar cells.
Sentence2: Sponges use specialized cells with flagellum to collect food.

Output: specialized


Input:
Sentence1: Most disinfectants contain organic solvents that are flammable and poisonous.
Sentence2: Most disinfectants contain solvents that can harm living things.

Output: Most


Input:
Sentence1: Most disinfectants contain organic solvents that are flammable and poisonous.
Sentence2: Most disinfectants contain solvents that can harm living things.

Output: disinfectants


Input:
Sentence1: Most disinfectants contain organic solvents that are flammable and poisonous.
Sentence2: Most disinfectants contain solvents that can harm living things.

Output: solvents


Input:
Sentence1: force causes the speed of an object to increase.
Sentence2: Crystal Balls Crystal balls have special uses as ritual objects.

Output: object


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

Output: another


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

Output: causes


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

Output: destruction


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

Output: habitat


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

Output: move


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

Output: shelter


Input:
Sentence1: Producers make food from inorganic molecules.
Sentence2: Decomposition is the breakdown of organic molecules into inorganic molecules.

Output: inorganic


Input:
Sentence1: Producers make food from inorganic molecules.
Sentence2: Decomposition is the breakdown of organic molecules into inorganic molecules.

Output: molecules


Input:
Sentence1: zinc has a positive impact on the healing of wounds.
Sentence2: oysters have a positive impact on the healing of wounds.

Output: has


Input:
Sentence1: zinc has a positive impact on the healing of wounds.
Sentence2: oysters have a positive impact on the healing of wounds.

Output: healing


Input:
Sentence1: zinc has a positive impact on the healing of wounds.
Sentence2: oysters have a positive impact on the healing of wounds.

Output: impact


Input:
Sentence1: zinc has a positive impact on the healing of wounds.
Sentence2: oysters have a positive impact on the healing of wounds.

Output: positive


Input:
Sentence1: zinc has a positive impact on the healing of wounds.
Sentence2: oysters have a positive impact on the healing of wounds.

Output: wounds


Input:
Sentence1: Basically, fiber is cellulose .
Sentence2: Plants cell walls are made of fiber.

Output: fiber