Input:
Sentence1: Friction is chronic impact, impact is acute friction.
Sentence2: chronic impact causes the temperature of an object to increase.

Output: impact


Input:
Sentence1: information in an organism 's chromosomes cause genetic traits to be passed down to that organism 's offspring.
Sentence2: Genetics is the study of how traits are passed down, or inherited, from one generation to another.

Output: genetic


Input:
Sentence1: Migrants typically travel long distances.
Sentence2: Barn swallows are Neotropical migrants.

Output: Migrants


Input:
Sentence1: Warm blooded animals have a constant body temperature.
Sentence2: an animal usually requires constant body temperature for survival.

Output: constant


Input:
Sentence1: transportation technology is used for moving people.
Sentence2: Another, more immediately feasible, technology for rapid transport is the maglev train.

Output: technology


Input:
Sentence1: transportation technology is used for moving people.
Sentence2: Another, more immediately feasible, technology for rapid transport is the maglev train.

Output: transportation


Input:
Sentence1: erosion of soil has a negative impact on the environment.
Sentence2: Deforestation and excessive crop irrigation enhance negative impacts on the environment.

Output: environment


Input:
Sentence1: erosion of soil has a negative impact on the environment.
Sentence2: Deforestation and excessive crop irrigation enhance negative impacts on the environment.

Output: impact


Input:
Sentence1: erosion of soil has a negative impact on the environment.
Sentence2: Deforestation and excessive crop irrigation enhance negative impacts on the environment.

Output: negative


Input:
Sentence1: Infection is what ultimately leads to death.
Sentence2: scraping oneself on a contaminated object may cause death.

Output: death


Input:
Sentence1: All cells share some of the same structures and basic functions.
Sentence2: All nucleus share the same basic functions.

Output: All


Input:
Sentence1: All cells share some of the same structures and basic functions.
Sentence2: All nucleus share the same basic functions.

Output: basic


Input:
Sentence1: All cells share some of the same structures and basic functions.
Sentence2: All nucleus share the same basic functions.

Output: functions


Input:
Sentence1: All cells share some of the same structures and basic functions.
Sentence2: All nucleus share the same basic functions.

Output: same


Input:
Sentence1: All cells share some of the same structures and basic functions.
Sentence2: All nucleus share the same basic functions.

Output: share


Input:
Sentence1: Insects can spread disease and destroy crops.
Sentence2: pests destroy crops.

Output: crops


Input:
Sentence1: Organic materials, or living things, are biodegradable.
Sentence2: Cells are the basic units of the structure and are biodegradable.

Output: biodegradable


Input:
Sentence1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants.
Sentence2: fermentation can be used to make fuel.

Output: fermentation


Input:
Sentence1: Male dogs use pheromones in urine to mark their territory.
Sentence2: Male dogs use urine to mark their territory the same way as they find mates.

Output: Male


Input:
Sentence1: Male dogs use pheromones in urine to mark their territory.
Sentence2: Male dogs use urine to mark their territory the same way as they find mates.

Output: dogs


Input:
Sentence1: Male dogs use pheromones in urine to mark their territory.
Sentence2: Male dogs use urine to mark their territory the same way as they find mates.

Output: mark


Input:
Sentence1: Male dogs use pheromones in urine to mark their territory.
Sentence2: Male dogs use urine to mark their territory the same way as they find mates.

Output: territory


Input:
Sentence1: Male dogs use pheromones in urine to mark their territory.
Sentence2: Male dogs use urine to mark their territory the same way as they find mates.

Output: urine


Input:
Sentence1: Arteries turn into smaller arteries called arterioles.
Sentence2: arterioles carry oxygen-rich blood.

Output: arterioles


Input:
Sentence1: Moles and gophers spend their lives underground.
Sentence2: moles and gophers spend their lives hiding from predators.

Output: Moles


Input:
Sentence1: Moles and gophers spend their lives underground.
Sentence2: moles and gophers spend their lives hiding from predators.

Output: gophers


Input:
Sentence1: Moles and gophers spend their lives underground.
Sentence2: moles and gophers spend their lives hiding from predators.

Output: lives


Input:
Sentence1: Moles and gophers spend their lives underground.
Sentence2: moles and gophers spend their lives hiding from predators.

Output: spend


Input:
Sentence1: To collect cutworm larvae, a garden trowel and a soil sifter are useful tools.
Sentence2: A soil sifter can be employed to separate out cutworm larvae.

Output: sifter


Input:
Sentence1: To collect cutworm larvae, a garden trowel and a soil sifter are useful tools.
Sentence2: A soil sifter can be employed to separate out cutworm larvae.

Output: soil


Input:
Sentence1: Circadian rhythms People and animals are usually adapted for a daily cycle of light and dark.
Sentence2: Plants detect light and dark because of their circadian rhythm.

Output: Circadian


Input:
Sentence1: Circadian rhythms People and animals are usually adapted for a daily cycle of light and dark.
Sentence2: Plants detect light and dark because of their circadian rhythm.

Output: rhythms


Input:
Sentence1: a stove is used for cooking by generating heat.
Sentence2: A stove is used for cooking by making heat.

Output: cooking


Input:
Sentence1: a stove is used for cooking by generating heat.
Sentence2: A stove is used for cooking by making heat.

Output: heat


Input:
Sentence1: a stove is used for cooking by generating heat.
Sentence2: A stove is used for cooking by making heat.

Output: stove


Input:
Sentence1: a stove is used for cooking by generating heat.
Sentence2: A stove is used for cooking by making heat.

Output: used


Input:
Sentence1: An insulator is the opposite of a conductor.
Sentence2: Wiring requires the opposite of an insulator.

Output: insulator


Input:
Sentence1: An insulator is the opposite of a conductor.
Sentence2: Wiring requires the opposite of an insulator.

Output: opposite


Input:
Sentence1: Courtship is behavior that is intended to attract a mate.
Sentence2: Mating Ducks usually look for a mate or partner in winter.

Output: mate


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

Output: bending


Input:
Sentence1: Veins generally carry deoxygenated blood.
Sentence2: Blood carries blood cells.

Output: blood


Input:
Sentence1: Birds include gulls, waterfowl, birds of prey and garden birds.
Sentence2: Gull eggs have hard shells made of calcium carbonate.

Output: gulls


Input:
Sentence1: matter vibrating can cause sound.
Sentence2: Sound Sound waves are mechanical waves.

Output: sound


Input:
Sentence1: Biomass is the total mass of organisms at a trophic level.
Sentence2: Producers make up the first trophic level, primary consumers the second, and so on.

Output: level


Input:
Sentence1: Biomass is the total mass of organisms at a trophic level.
Sentence2: Producers make up the first trophic level, primary consumers the second, and so on.

Output: trophic


Input:
Sentence1: Animals may compete for territory, water, food, or mates.
Sentence2: Larger animals dominate in competition for food, mating partners, and nesting space.

Output: food


Input:
Sentence1: Animals may compete for territory, water, food, or mates.
Sentence2: Larger animals dominate in competition for food, mating partners, and nesting space.

Output: mates


Input:
Sentence1: Carpools and vanpools can save time.
Sentence2: vanpools decrease the amount of cars used to travel to a place.

Output: vanpools


Input:
Sentence1: Moh's scale is used to describe a mineral's hardness.
Sentence2: Getting a measurement on the Moh's scale requires scratching.

Output: Moh's


Input:
Sentence1: Moh's scale is used to describe a mineral's hardness.
Sentence2: Getting a measurement on the Moh's scale requires scratching.

Output: scale


Input:
Sentence1: glass cause refraction of light.
Sentence2: glass can cause halos.

Output: cause


Input:
Sentence1: glass cause refraction of light.
Sentence2: glass can cause halos.

Output: glass


Input:
Sentence1: habitat destruction causes animals to move to find shelter in another habitat.
Sentence2: Habitat destruction from logging is also a major concern.

Output: destruction


Input:
Sentence1: habitat destruction causes animals to move to find shelter in another habitat.
Sentence2: Habitat destruction from logging is also a major concern.

Output: habitat


Input:
Sentence1: Photosynthetic plants convert solar energy to chemical bond energy in carbohydrates.
Sentence2: Photosynthesis converts solar energy into chemical bond energy for themselves.

Output: bond


Input:
Sentence1: Photosynthetic plants convert solar energy to chemical bond energy in carbohydrates.
Sentence2: Photosynthesis converts solar energy into chemical bond energy for themselves.

Output: chemical


Input:
Sentence1: Photosynthetic plants convert solar energy to chemical bond energy in carbohydrates.
Sentence2: Photosynthesis converts solar energy into chemical bond energy for themselves.

Output: energy


Input:
Sentence1: Photosynthetic plants convert solar energy to chemical bond energy in carbohydrates.
Sentence2: Photosynthesis converts solar energy into chemical bond energy for themselves.

Output: solar


Input:
Sentence1: Climate Forests stabilize climate.
Sentence2: Forests stabilize what influences plant growth.

Output: Forests


Input:
Sentence1: if a habitat can no longer support animals then those animals will move to another area.
Sentence2: Bears are powerful animals.

Output: animals


Input:
Sentence1: air pollution can cause the pH of soil to decrease.
Sentence2: Air pollution can cause a decrease in crop yields.

Output: air


Input:
Sentence1: air pollution can cause the pH of soil to decrease.
Sentence2: Air pollution can cause a decrease in crop yields.

Output: can


Input:
Sentence1: air pollution can cause the pH of soil to decrease.
Sentence2: Air pollution can cause a decrease in crop yields.

Output: cause


Input:
Sentence1: air pollution can cause the pH of soil to decrease.
Sentence2: Air pollution can cause a decrease in crop yields.

Output: pollution


Input:
Sentence1: Pressure is sensed by very fine deflections of a sensing diaphragm.
Sentence2: Touch is the ability to sense very fine defelections of a sensing diaphragm.

Output: diaphragm


Input:
Sentence1: Pressure is sensed by very fine deflections of a sensing diaphragm.
Sentence2: Touch is the ability to sense very fine defelections of a sensing diaphragm.

Output: sensing


Input:
Sentence1: Aging is associated with the death of cells.
Sentence2: Smoking accelerates the aging process.

Output: Aging


Input:
Sentence1: Tight fitting shoes can increase the pressure on the skin and exacerbates the pain.
Sentence2: Nerves can be used to feel heat and pain on the skin.

Output: pain


Input:
Sentence1: Nephrons are the structural and functional units of the kidneys.
Sentence2: kidneys contain  a system of blood vessels and tubules.

Output: kidneys


Input:
Sentence1: Vertebrate chordates have a backbone.
Sentence2: reptiles have a backbone.

Output: backbone


Input:
Sentence1: Vertebrate chordates have a backbone.
Sentence2: reptiles have a backbone.

Output: have


Input:
Sentence1: burning fossil fuels increases the carbon in the atmosphere.
Sentence2: Burning fossil fuels increases atmospheric warming.

Output: burning


Input:
Sentence1: burning fossil fuels increases the carbon in the atmosphere.
Sentence2: Burning fossil fuels increases atmospheric warming.

Output: fossil


Input:
Sentence1: burning fossil fuels increases the carbon in the atmosphere.
Sentence2: Burning fossil fuels increases atmospheric warming.

Output: fuels


Input:
Sentence1: burning fossil fuels increases the carbon in the atmosphere.
Sentence2: Burning fossil fuels increases atmospheric warming.

Output: increases


Input:
Sentence1: Solar UV radiation levels are highest during the middle of the day.
Sentence2: Ozone depletion results in radiation levels that are highest during the middle of the day.

Output: day


Input:
Sentence1: Solar UV radiation levels are highest during the middle of the day.
Sentence2: Ozone depletion results in radiation levels that are highest during the middle of the day.

Output: during


Input:
Sentence1: Solar UV radiation levels are highest during the middle of the day.
Sentence2: Ozone depletion results in radiation levels that are highest during the middle of the day.

Output: highest


Input:
Sentence1: Solar UV radiation levels are highest during the middle of the day.
Sentence2: Ozone depletion results in radiation levels that are highest during the middle of the day.

Output: middle


Input:
Sentence1: Solar UV radiation levels are highest during the middle of the day.
Sentence2: Ozone depletion results in radiation levels that are highest during the middle of the day.

Output: radiation


Input:
Sentence1: Bacteria may spread directly from one person to another.
Sentence2: Streptococcus can be spread directly from one person to another.

Output: another


Input:
Sentence1: Bacteria may spread directly from one person to another.
Sentence2: Streptococcus can be spread directly from one person to another.

Output: directly


Input:
Sentence1: Bacteria may spread directly from one person to another.
Sentence2: Streptococcus can be spread directly from one person to another.

Output: one


Input:
Sentence1: Bacteria may spread directly from one person to another.
Sentence2: Streptococcus can be spread directly from one person to another.

Output: person


Input:
Sentence1: Bacteria may spread directly from one person to another.
Sentence2: Streptococcus can be spread directly from one person to another.

Output: spread


Input:
Sentence1: Tooth decay is a destruction of the tooth enamel.
Sentence2: Fluoride decreases the destruction of the enamel.

Output: a


Input:
Sentence1: Tooth decay is a destruction of the tooth enamel.
Sentence2: Fluoride decreases the destruction of the enamel.

Output: destruction


Input:
Sentence1: Tooth decay is a destruction of the tooth enamel.
Sentence2: Fluoride decreases the destruction of the enamel.

Output: enamel


Input:
Sentence1: Tooth decay is a destruction of the tooth enamel.
Sentence2: Fluoride decreases the destruction of the enamel.

Output: of


Input:
Sentence1: Tooth decay is a destruction of the tooth enamel.
Sentence2: Fluoride decreases the destruction of the enamel.

Output: the


Input:
Sentence1: Earthworms Earthworms are in the phylum Annelids.
Sentence2: Earthworms have the amazing capacity to regrow segments that break off.

Output: Earthworms


Input:
Sentence1: poison causes harm to living things.
Sentence2: Birds, like all living things, have intrinsic value.

Output: living


Input:
Sentence1: poison causes harm to living things.
Sentence2: Birds, like all living things, have intrinsic value.

Output: things


Input:
Sentence1: Echinoderms use pheromones to communicate with each other.
Sentence2: All echinoderms are deuterostomes .

Output: Echinoderms


Input:
Sentence1: Most aquatic organisms do not have to deal with extremes of temperature or moisture.
Sentence2: Most fish do not have to deal with extreme temperature or moisture.

Output: Most


Input:
Sentence1: Most aquatic organisms do not have to deal with extremes of temperature or moisture.
Sentence2: Most fish do not have to deal with extreme temperature or moisture.

Output: deal


Input:
Sentence1: Most aquatic organisms do not have to deal with extremes of temperature or moisture.
Sentence2: Most fish do not have to deal with extreme temperature or moisture.

Output: do


Input:
Sentence1: Most aquatic organisms do not have to deal with extremes of temperature or moisture.
Sentence2: Most fish do not have to deal with extreme temperature or moisture.

Output: extremes


Input:
Sentence1: Most aquatic organisms do not have to deal with extremes of temperature or moisture.
Sentence2: Most fish do not have to deal with extreme temperature or moisture.

Output: have


Input:
Sentence1: Most aquatic organisms do not have to deal with extremes of temperature or moisture.
Sentence2: Most fish do not have to deal with extreme temperature or moisture.

Output: moisture


Input:
Sentence1: Most aquatic organisms do not have to deal with extremes of temperature or moisture.
Sentence2: Most fish do not have to deal with extreme temperature or moisture.

Output: not


Input:
Sentence1: Most aquatic organisms do not have to deal with extremes of temperature or moisture.
Sentence2: Most fish do not have to deal with extreme temperature or moisture.

Output: temperature


Input:
Sentence1: Most aquatic organisms do not have to deal with extremes of temperature or moisture.
Sentence2: Most fish do not have to deal with extreme temperature or moisture.

Output: with


Input:
Sentence1: An infection is an invasion of the body by bacteria.
Sentence2: Scraping oneself on a contaminated object may cause an invasion of the body by bacteria.

Output: bacteria


Input:
Sentence1: An infection is an invasion of the body by bacteria.
Sentence2: Scraping oneself on a contaminated object may cause an invasion of the body by bacteria.

Output: body


Input:
Sentence1: An infection is an invasion of the body by bacteria.
Sentence2: Scraping oneself on a contaminated object may cause an invasion of the body by bacteria.

Output: invasion


Input:
Sentence1: Platypus females lay their eggs in a burrow.
Sentence2: Mammals do not usually lay eggs.

Output: eggs


Input:
Sentence1: plant requires seed dispersal for reproduction.
Sentence2: flowers require dispersal for reproduction.

Output: dispersal


Input:
Sentence1: chemical weathering causes iron in rock to oxidize.
Sentence2: Oxidation of iron minerals causes the redness of the rocks.

Output: oxidize


Input:
Sentence1: Wood stoves for cooking and heating.
Sentence2: wood can be burned for cooking.

Output: cooking


Input:
Sentence1: scraping oneself on a contaminated object may cause infection.
Sentence2: scraping oneself on an infected needle may cause infection.

Output: cause


Input:
Sentence1: scraping oneself on a contaminated object may cause infection.
Sentence2: scraping oneself on an infected needle may cause infection.

Output: infection


Input:
Sentence1: scraping oneself on a contaminated object may cause infection.
Sentence2: scraping oneself on an infected needle may cause infection.

Output: oneself


Input:
Sentence1: scraping oneself on a contaminated object may cause infection.
Sentence2: scraping oneself on an infected needle may cause infection.

Output: scraping


Input:
Sentence1: a airplane is used for moving people across bodies of water.
Sentence2: Oceans are large bodies of salt water which separates deposits of land.

Output: bodies


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: With less sunlight, the forest is cooler and wetter.

Output: less


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: With less sunlight, the forest is cooler and wetter.

Output: sunlight


Input:
Sentence1: Interestingly, a squid is also a mollusk.
Sentence2: Squids reproduce sexually.

Output: squid


Input:
Sentence1: For a smoother flavor, bring soup to a boil.
Sentence2: cooking soup means change from liquid to gas by adding heat energy.

Output: soup


Input:
Sentence1: Viruses contain DNA but not much else.
Sentence2: Examples include influenza, rabies, HIV, and Herpes viruses.

Output: Viruses


Input:
Sentence1: moss causes chemical weathering.
Sentence2: If the moss was completely dried then it is dead.

Output: moss


Input:
Sentence1: All ferns are shade plants.
Sentence2: Ferns have a characteristic life cycle that includes alternation of generations.

Output: ferns


Input:
Sentence1: chlorophyll is used for absorbing light energy by plants.
Sentence2: All plants are of bush type.

Output: plants


Input:
Sentence1: an earthquake causes the ground to shake.
Sentence2: Seismic waves are produced by earthquakes.

Output: earthquake


Input:
Sentence1: a polar bear requires a cold environment.
Sentence2: polar bears live where there are fewer animals.

Output: bear


Input:
Sentence1: a polar bear requires a cold environment.
Sentence2: polar bears live where there are fewer animals.

Output: polar


Input:
Sentence1: a polar bear requires a cold environment.
Sentence2: polar bears live where there are fewer animals.

Output: requires


Input:
Sentence1: heavy rains cause flooding.
Sentence2: Fifty to 100 homes are either flooded or in danger of flooding.

Output: flooding


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

Output: chemical


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

Output: reactions


Input:
Sentence1: exercise has a positive impact on a human 's health.
Sentence2: All movement is exercise.

Output: exercise


Input:
Sentence1: Scientists still know relatively little about Archaea.
Sentence2: People that do research still know relatively little about Archaea.

Output: Archaea


Input:
Sentence1: Scientists still know relatively little about Archaea.
Sentence2: People that do research still know relatively little about Archaea.

Output: about


Input:
Sentence1: Scientists still know relatively little about Archaea.
Sentence2: People that do research still know relatively little about Archaea.

Output: know


Input:
Sentence1: Scientists still know relatively little about Archaea.
Sentence2: People that do research still know relatively little about Archaea.

Output: little


Input:
Sentence1: Scientists still know relatively little about Archaea.
Sentence2: People that do research still know relatively little about Archaea.

Output: relatively


Input:
Sentence1: Scientists still know relatively little about Archaea.
Sentence2: People that do research still know relatively little about Archaea.

Output: still


Input:
Sentence1: when a gas in an open container evaporates , that gas spreads out into the air.
Sentence2: If you place gas in an open box it will evaporate and spread out into the air.

Output: gas


Input:
Sentence1: when a gas in an open container evaporates , that gas spreads out into the air.
Sentence2: If you place gas in an open box it will evaporate and spread out into the air.

Output: open


Input:
Sentence1: when a gas in an open container evaporates , that gas spreads out into the air.
Sentence2: If you place gas in an open box it will evaporate and spread out into the air.

Output: spreads


Input:
Sentence1: Temporary but significant reductions in population size are referred to as population bottlenecks.
Sentence2: Bottlenecks influence the chance of a species surviving.

Output: bottlenecks


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

Output: Polyps


Input:
Sentence1: hurricanes convert heat energy into mechanical energy.
Sentence2: Andrew and Fran both had energy.

Output: energy


Input:
Sentence1: Volume means how much space the ingredient takes up.
Sentence2: How much space an object takes up can be used to describe the size of the object.

Output: how


Input:
Sentence1: Volume means how much space the ingredient takes up.
Sentence2: How much space an object takes up can be used to describe the size of the object.

Output: much


Input:
Sentence1: Volume means how much space the ingredient takes up.
Sentence2: How much space an object takes up can be used to describe the size of the object.

Output: space


Input:
Sentence1: Volume means how much space the ingredient takes up.
Sentence2: How much space an object takes up can be used to describe the size of the object.

Output: takes


Input:
Sentence1: Volume means how much space the ingredient takes up.
Sentence2: How much space an object takes up can be used to describe the size of the object.

Output: up


Input:
Sentence1: Vascular cambium is a primary meristem.
Sentence2: Roots grow in length and width from the vascular cambium.

Output: Vascular


Input:
Sentence1: Vascular cambium is a primary meristem.
Sentence2: Roots grow in length and width from the vascular cambium.

Output: cambium


Input:
Sentence1: Earth is a living planet.
Sentence2: Gravity pulls objects towards Earth.

Output: Earth


Input:
Sentence1: condensing causes a liquid to form.
Sentence2: Air carries moisture that causes a liquid to form.

Output: causes


Input:
Sentence1: condensing causes a liquid to form.
Sentence2: Air carries moisture that causes a liquid to form.

Output: form


Input:
Sentence1: condensing causes a liquid to form.
Sentence2: Air carries moisture that causes a liquid to form.

Output: liquid


Input:
Sentence1: Tunicates reproduce sexually.
Sentence2: Tunicates are sea creatures encased by tough membranes, reminiscent of tunics.

Output: Tunicates


Input:
Sentence1: nerves can be used to feel heat and pressure on the skin.
Sentence2: nerves endings can feel cold.

Output: nerves


Input:
Sentence1: Adult echinoderms have radial symmetry.
Sentence2: Adult echinoderms lack an anterior and posterior end.

Output: Adult


Input:
Sentence1: Adult echinoderms have radial symmetry.
Sentence2: Adult echinoderms lack an anterior and posterior end.

Output: echinoderms


Input:
Sentence1: photosynthesis means producers convert from carbon dioxide, water, and solar energy into carbohydrates for themselves.
Sentence2: Leaf cells produce sugar by photosynthesis.

Output: photosynthesis


Input:
Sentence1: Sand and mud are examples of sediments.
Sentence2: layers of sand over the remains of organisms over time can create fossils.

Output: Sand


Input:
Sentence1: Softwoods, on the other hand, are gymnosperms .
Sentence2: Softwoods are vascular plants that produce seeds in cones.

Output: Softwoods


Input:
Sentence1: a sifter is used for separating mixtures.
Sentence2: A soil sifter can be employed to separate out cutworm larvae.

Output: separating


Input:
Sentence1: a sifter is used for separating mixtures.
Sentence2: A soil sifter can be employed to separate out cutworm larvae.

Output: sifter


Input:
Sentence1: hearing is used for sensing sound by animals.
Sentence2: Animals use ears to hear.

Output: animals


Input:
Sentence1: hearing is used for sensing sound by animals.
Sentence2: Animals use ears to hear.

Output: hearing


Input:
Sentence1: Navigation is a key element of space travel.
Sentence2: space exploration is not possible without navigation.

Output: space


Input:
Sentence1: Biologists use microscopes to study things that are too small to be seen with the unaided eye.
Sentence2: Biologists study small things that can't normally be seen with an unaided eye.

Output: eye


Input:
Sentence1: Biologists use microscopes to study things that are too small to be seen with the unaided eye.
Sentence2: Biologists study small things that can't normally be seen with an unaided eye.

Output: seen


Input:
Sentence1: Biologists use microscopes to study things that are too small to be seen with the unaided eye.
Sentence2: Biologists study small things that can't normally be seen with an unaided eye.

Output: study


Input:
Sentence1: Biologists use microscopes to study things that are too small to be seen with the unaided eye.
Sentence2: Biologists study small things that can't normally be seen with an unaided eye.

Output: unaided


Input:
Sentence1: Microevolution leading to macroevolution, discussed earlier, is one example.
Sentence2: Microevolution happens over time.

Output: Microevolution


Input:
Sentence1: Sodium Chloride: It is a table salt .
Sentence2: adding sodium chloride to a liquid decreases the melting point of that liquid.

Output: Chloride


Input:
Sentence1: Sodium Chloride: It is a table salt .
Sentence2: adding sodium chloride to a liquid decreases the melting point of that liquid.

Output: Sodium


Input:
Sentence1: Some birds are pollinators that co-evolved with plants.
Sentence2: Hummingbirds are an important groups of bird pollinators.

Output: birds


Input:
Sentence1: Some birds are pollinators that co-evolved with plants.
Sentence2: Hummingbirds are an important groups of bird pollinators.

Output: pollinators


Input:
Sentence1: Cooked foods are easier to digest.
Sentence2: Heat energy makes digestion easier.

Output: digest


Input:
Sentence1: Cooked foods are easier to digest.
Sentence2: Heat energy makes digestion easier.

Output: easier


Input:
Sentence1: the gravitational pull of the Moon on Earth 's oceans causes the tides.
Sentence2: The tide causes erosion.

Output: causes


Input:
Sentence1: Cnidarians include jellyfish and anemones.
Sentence2: All jellyfish are aquatic.

Output: jellyfish


Input:
Sentence1: Most plants have roots .
Sentence2: most plants have primary and secondary meristems for growth in length and width.

Output: Most


Input:
Sentence1: Most plants have roots .
Sentence2: most plants have primary and secondary meristems for growth in length and width.

Output: plants


Input:
Sentence1: Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can.
Sentence2: mushrooms lack chlorophyll, so they cannot make food by photosynthesis as plants can.

Output: can


Input:
Sentence1: Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can.
Sentence2: mushrooms lack chlorophyll, so they cannot make food by photosynthesis as plants can.

Output: cannot


Input:
Sentence1: Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can.
Sentence2: mushrooms lack chlorophyll, so they cannot make food by photosynthesis as plants can.

Output: chlorophyll


Input:
Sentence1: Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can.
Sentence2: mushrooms lack chlorophyll, so they cannot make food by photosynthesis as plants can.

Output: food


Input:
Sentence1: Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can.
Sentence2: mushrooms lack chlorophyll, so they cannot make food by photosynthesis as plants can.

Output: make


Input:
Sentence1: Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can.
Sentence2: mushrooms lack chlorophyll, so they cannot make food by photosynthesis as plants can.

Output: photosynthesis


Input:
Sentence1: the number of rings in a tree trunk can be used to estimate the age of the tree.
Sentence2: Dendrochronologist: A person who studies tree ring growth.

Output: rings


Input:
Sentence1: Viruses are not cells at all, so they are neither prokaryotes nor eukaryotes.
Sentence2: Influenza viruses are classified as orthomyxoviruses.

Output: Viruses


Input:
Sentence1: stomata closing reduces water loss.
Sentence2: Parts on the leaves and stems close to reduce water loss.

Output: closing


Input:
Sentence1: stomata closing reduces water loss.
Sentence2: Parts on the leaves and stems close to reduce water loss.

Output: loss


Input:
Sentence1: stomata closing reduces water loss.
Sentence2: Parts on the leaves and stems close to reduce water loss.

Output: reduces


Input:
Sentence1: stomata closing reduces water loss.
Sentence2: Parts on the leaves and stems close to reduce water loss.

Output: water


Input:
Sentence1: Honey bees generate heat by consuming honey and shivering their muscles.
Sentence2: Honey bees can shiver.

Output: Honey


Input:
Sentence1: Honey bees generate heat by consuming honey and shivering their muscles.
Sentence2: Honey bees can shiver.

Output: bees


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: Macroevolution is very, very slow evolution above the level of the species.

Output: Macroevolution


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: Macroevolution is very, very slow evolution above the level of the species.

Output: above


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: Macroevolution is very, very slow evolution above the level of the species.

Output: evolution


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: Macroevolution is very, very slow evolution above the level of the species.

Output: level


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: Macroevolution is very, very slow evolution above the level of the species.

Output: species


Input:
Sentence1: if a planet becomes too hot then that planet cannot sustain life.
Sentence2: Venus is the hottest planet.

Output: hot


Input:
Sentence1: if a planet becomes too hot then that planet cannot sustain life.
Sentence2: Venus is the hottest planet.

Output: planet


Input:
Sentence1: if a planet becomes too hot then that planet cannot sustain life.
Sentence2: Venus is the hottest planet.

Output: too


Input:
Sentence1: smoking tobacco decreases stamina.
Sentence2: Tobacco is grown for cigarette factories.

Output: tobacco


Input:
Sentence1: Sharks breathe using gills.
Sentence2: sharks convert oxygen with gills.

Output: Sharks


Input:
Sentence1: Plants help make oxygen for the air.
Sentence2: An animal requires plants for survival.

Output: Plants


Input:
Sentence1: Balanced eating is a way of eating that promotes good health.
Sentence2: Balanced eating depends on good nutrition.

Output: Balanced


Input:
Sentence1: Balanced eating is a way of eating that promotes good health.
Sentence2: Balanced eating depends on good nutrition.

Output: eating


Input:
Sentence1: Most hormones are regulated by feedback mechanisms.
Sentence2: Animals regulate hormone release through positive feedback.

Output: feedback


Input:
Sentence1: Illness is an imbalance in homeostasis.
Sentence2: Hormones control many cell activities, so they are very important for avoiding illness.

Output: Illness


Input:
Sentence1: Fish have a centralized nervous system with a brain.
Sentence2: Nervous A reptile has a brain and nervous system.

Output: nervous


Input:
Sentence1: Fish have a centralized nervous system with a brain.
Sentence2: Nervous A reptile has a brain and nervous system.

Output: system


Input:
Sentence1: Some birds are pollinators that co-evolved with plants.
Sentence2: Some animals with feathers are pollinators.

Output: pollinators


Input:
Sentence1: Adult sponges produce eggs and sperm.
Sentence2: Adults are sexually mature.

Output: Adult


Input:
Sentence1: an animal requires stamina to succeed at physical activities.
Sentence2: males have more stamina.

Output: stamina


Input:
Sentence1: Temperature falls from the equator to the poles.
Sentence2: If the weather is warm, their temperature rises.

Output: Temperature


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

Output: animals


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

Output: backbone


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

Output: column


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

Output: lack


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

Output: vertebral


Input:
Sentence1: Dilation occurs when cell walls relax.
Sentence2: Decreased oxygen levels cause blood vessels to dilate and cell walls to relax.

Output: relax


Input:
Sentence1: Dilation occurs when cell walls relax.
Sentence2: Decreased oxygen levels cause blood vessels to dilate and cell walls to relax.

Output: walls


Input:
Sentence1: Nephrons are the structural and functional units of the kidneys.
Sentence2: Mammalian kidneys form urine in nephrons.

Output: Nephrons


Input:
Sentence1: Carbon cycles quickly between organisms and the atmosphere.
Sentence2: Deforestation also disrupts the Carbon Cycle.

Output: Carbon


Input:
Sentence1: Carbon cycles quickly between organisms and the atmosphere.
Sentence2: Deforestation also disrupts the Carbon Cycle.

Output: cycles


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: a protective organ is used to protect the body from harmful substances.

Output: body


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: a protective organ is used to protect the body from harmful substances.

Output: harmful


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: a protective organ is used to protect the body from harmful substances.

Output: protecting


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: a protective organ is used to protect the body from harmful substances.

Output: substances


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: a protective organ is used to protect the body from harmful substances.

Output: used


Input:
Sentence1: planting trees has a positive impact on an ecosystem.
Sentence2: Biodiversity encourages a healthier ecosystem.

Output: ecosystem


Input:
Sentence1: Adolescence is the last stage of life before adulthood.
Sentence2: the last stage before adulthood is a pivotal later stage of human development.

Output: adulthood


Input:
Sentence1: Adolescence is the last stage of life before adulthood.
Sentence2: the last stage before adulthood is a pivotal later stage of human development.

Output: before


Input:
Sentence1: Adolescence is the last stage of life before adulthood.
Sentence2: the last stage before adulthood is a pivotal later stage of human development.

Output: last


Input:
Sentence1: Adolescence is the last stage of life before adulthood.
Sentence2: the last stage before adulthood is a pivotal later stage of human development.

Output: stage


Input:
Sentence1: the gravitational pull of the Moon on Earth 's oceans causes the tides.
Sentence2: Tides are the rising and falling of ocean's water.

Output: tides


Input:
Sentence1: Tobacco companies make cigarettes.
Sentence2: smoking cigarettes decreases stamina.

Output: cigarettes


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: an image in a mirror is formed by reflecting rays or beams.

Output: formed


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: an image in a mirror is formed by reflecting rays or beams.

Output: image


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: an image in a mirror is formed by reflecting rays or beams.

Output: mirror


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: an image in a mirror is formed by reflecting rays or beams.

Output: reflecting


Input:
Sentence1: Wetlands are extremely important biomes.
Sentence2: Wetlands are extremely important environments.

Output: Wetlands


Input:
Sentence1: Wetlands are extremely important biomes.
Sentence2: Wetlands are extremely important environments.

Output: extremely


Input:
Sentence1: Wetlands are extremely important biomes.
Sentence2: Wetlands are extremely important environments.

Output: important


Input:
Sentence1: Sweat wets the skin, and when it evaporates, it cools the body.
Sentence2: Perspiration There are about 2 million sweat glands in the average human body.

Output: Sweat


Input:
Sentence1: Bone is less flexible than cartilage but stronger.
Sentence2: bone is less flexible than chondrocytes.

Output: Bone


Input:
Sentence1: Bone is less flexible than cartilage but stronger.
Sentence2: bone is less flexible than chondrocytes.

Output: flexible


Input:
Sentence1: Bone is less flexible than cartilage but stronger.
Sentence2: bone is less flexible than chondrocytes.

Output: less


Input:
Sentence1: Natural gas is a fossil fuel.
Sentence2: heat and pressure changes fossils into fossil fuel.

Output: fossil


Input:
Sentence1: Natural gas is a fossil fuel.
Sentence2: heat and pressure changes fossils into fossil fuel.

Output: fuel


Input:
Sentence1: a doorbell converts electrical energy into sound.
Sentence2: a doorbell converts  kinetic  energy into sound.

Output: a


Input:
Sentence1: a doorbell converts electrical energy into sound.
Sentence2: a doorbell converts  kinetic  energy into sound.

Output: converts


Input:
Sentence1: a doorbell converts electrical energy into sound.
Sentence2: a doorbell converts  kinetic  energy into sound.

Output: doorbell


Input:
Sentence1: a doorbell converts electrical energy into sound.
Sentence2: a doorbell converts  kinetic  energy into sound.

Output: into


Input:
Sentence1: a doorbell converts electrical energy into sound.
Sentence2: a doorbell converts  kinetic  energy into sound.

Output: sound


Input:
Sentence1: Aging occurs as cells lose their ability to divide.
Sentence2: Getting old occurs as cells lose their ability to divide.

Output: ability


Input:
Sentence1: Aging occurs as cells lose their ability to divide.
Sentence2: Getting old occurs as cells lose their ability to divide.

Output: cells


Input:
Sentence1: Aging occurs as cells lose their ability to divide.
Sentence2: Getting old occurs as cells lose their ability to divide.

Output: divide


Input:
Sentence1: Aging occurs as cells lose their ability to divide.
Sentence2: Getting old occurs as cells lose their ability to divide.

Output: lose


Input:
Sentence1: Aging occurs as cells lose their ability to divide.
Sentence2: Getting old occurs as cells lose their ability to divide.

Output: occurs


Input:
Sentence1: temperature changing can cause phase changes.
Sentence2: Temperature changing can cause water to change to ice.

Output: changing


Input:
Sentence1: temperature changing can cause phase changes.
Sentence2: Temperature changing can cause water to change to ice.

Output: temperature


Input:
Sentence1: some light bulbs convert electricity into light and heat energy.
Sentence2: some light bulbs convert electricity into light and the amount of energy in a substance.

Output: bulbs


Input:
Sentence1: some light bulbs convert electricity into light and heat energy.
Sentence2: some light bulbs convert electricity into light and the amount of energy in a substance.

Output: convert


Input:
Sentence1: some light bulbs convert electricity into light and heat energy.
Sentence2: some light bulbs convert electricity into light and the amount of energy in a substance.

Output: electricity


Input:
Sentence1: some light bulbs convert electricity into light and heat energy.
Sentence2: some light bulbs convert electricity into light and the amount of energy in a substance.

Output: light


Input:
Sentence1: some light bulbs convert electricity into light and heat energy.
Sentence2: some light bulbs convert electricity into light and the amount of energy in a substance.

Output: some


Input:
Sentence1: a battery converts chemical energy into electrical energy.
Sentence2: Electricity is a powerful energy source.

Output: electrical


Input:
Sentence1: For example, insulin is a protein hormone.
Sentence2: Insulin is produced in a part of the cell called the ribosome.

Output: insulin


Input:
Sentence1: infection can cause bodily tissues to swell.
Sentence2: Bacteria can cause bodily tissues to swell.

Output: bodily


Input:
Sentence1: infection can cause bodily tissues to swell.
Sentence2: Bacteria can cause bodily tissues to swell.

Output: cause


Input:
Sentence1: infection can cause bodily tissues to swell.
Sentence2: Bacteria can cause bodily tissues to swell.

Output: swell


Input:
Sentence1: infection can cause bodily tissues to swell.
Sentence2: Bacteria can cause bodily tissues to swell.

Output: tissues


Input:
Sentence1: Beavers build dams.
Sentence2: Lakes are formed by beavers.

Output: Beavers


Input:
Sentence1: Placental mammals are the dominant land mammals.
Sentence2: The African elephant is a placental mammal.

Output: Placental


Input:
Sentence1: Placental mammals are the dominant land mammals.
Sentence2: The African elephant is a placental mammal.

Output: mammals


Input:
Sentence1: Runoff water is wasted water.
Sentence2: Streams may start with wasted water.

Output: wasted


Input:
Sentence1: Runoff water is wasted water.
Sentence2: Streams may start with wasted water.

Output: water


Input:
Sentence1: microscope is used to see small things by biologists by making them appear bigger.
Sentence2: microscopes make living creatures appear bigger.

Output: microscope


Input:
Sentence1: An insect visitor is required for pollination and they have a mixed mating system.
Sentence2: plant reproduction requires An insect.

Output: An


Input:
Sentence1: An insect visitor is required for pollination and they have a mixed mating system.
Sentence2: plant reproduction requires An insect.

Output: insect


Input:
Sentence1: Stress is the applied force, strain is the change in shape.
Sentence2: Paper is crumbled when stress and strain is applied in order to change the shape.

Output: Stress


Input:
Sentence1: Stress is the applied force, strain is the change in shape.
Sentence2: Paper is crumbled when stress and strain is applied in order to change the shape.

Output: applied


Input:
Sentence1: Stress is the applied force, strain is the change in shape.
Sentence2: Paper is crumbled when stress and strain is applied in order to change the shape.

Output: change


Input:
Sentence1: Stress is the applied force, strain is the change in shape.
Sentence2: Paper is crumbled when stress and strain is applied in order to change the shape.

Output: shape


Input:
Sentence1: Stress is the applied force, strain is the change in shape.
Sentence2: Paper is crumbled when stress and strain is applied in order to change the shape.

Output: strain


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: Electricity can run appliances and illuminate light bulbs.

Output: bulb


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: Electricity can run appliances and illuminate light bulbs.

Output: light


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

Output: feed


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

Output: matter


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

Output: nonliving


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

Output: organic


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

Output: plankton


Input:
Sentence1: Wings are part of the exoskeleton and attached to the thorax.
Sentence2: wings are attached to insects' thorax.

Output: Wings


Input:
Sentence1: Wings are part of the exoskeleton and attached to the thorax.
Sentence2: wings are attached to insects' thorax.

Output: attached


Input:
Sentence1: Wings are part of the exoskeleton and attached to the thorax.
Sentence2: wings are attached to insects' thorax.

Output: thorax


Input:
Sentence1: Nitrogen is found in proteins, nucleic acids, and chlorophyll.
Sentence2: Chloroplasts manufacture nitrogen.

Output: Nitrogen


Input:
Sentence1: Rainfall contributes to, and evaporation removes, moisture.
Sentence2: evaporation lowers moisture.

Output: evaporation


Input:
Sentence1: For big mountain background, check out the Himalayas .
Sentence2: the Himalayas are formed by earthquakes.

Output: Himalayas


Input:
Sentence1: For big mountain background, check out the Himalayas .
Sentence2: the Himalayas are formed by earthquakes.

Output: the


Input:
Sentence1: Lift decreases with altitude.
Sentence2: Lower temperatures align with lower lifts.

Output: Lift


Input:
Sentence1: an animal needs to attract a mate to reproduce.
Sentence2: Instincts help animals to attract a mate.

Output: attract


Input:
Sentence1: an animal needs to attract a mate to reproduce.
Sentence2: Instincts help animals to attract a mate.

Output: mate


Input:
Sentence1: microorganisms can cause infections.
Sentence2: microorganisms can cause diseases.

Output: microorganisms


Input:
Sentence1: Hair is a fiber that is found only in mammals.
Sentence2: bears have hair.

Output: Hair


Input:
Sentence1: dropping an object into water causes vibrations in the water.
Sentence2: By it's nature, a vibration is a frequency wave .

Output: vibrations


Input:
Sentence1: Evolution occurs by a process called natural selection.
Sentence2: Speciation is an extension of evolution.

Output: Evolution


Input:
Sentence1: friction causes an object to lose energy.
Sentence2: energy is lost due to heat.

Output: energy


Input:
Sentence1: During infancy, babies learn whether to trust the world.
Sentence2: Babies learn most during their rapid growth period.

Output: During


Input:
Sentence1: During infancy, babies learn whether to trust the world.
Sentence2: Babies learn most during their rapid growth period.

Output: babies


Input:
Sentence1: During infancy, babies learn whether to trust the world.
Sentence2: Babies learn most during their rapid growth period.

Output: learn


Input:
Sentence1: Active Sonar Active sonars transmit acoustic energy and detect targets by echolocation.
Sentence2: echolocation is used to find objects underwater.

Output: echolocation


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: Coral reefs are nurseries of the ocean.

Output: Coral


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: Coral reefs are nurseries of the ocean.

Output: reefs


Input:
Sentence1: some flowers become fruits.
Sentence2: Fruit can be made into fruit leather.

Output: fruits


Input:
Sentence1: Fruits are an adaptation for seed dispersal.
Sentence2: Some flowers become an adaptation for seed dispersal.

Output: adaptation


Input:
Sentence1: Fruits are an adaptation for seed dispersal.
Sentence2: Some flowers become an adaptation for seed dispersal.

Output: dispersal


Input:
Sentence1: Fruits are an adaptation for seed dispersal.
Sentence2: Some flowers become an adaptation for seed dispersal.

Output: seed


Input:
Sentence1: For centuries, water and sand have ground a smooth slot into the rock.
Sentence2: water can make slots in rocks.

Output: water


Input:
Sentence1: Bryophytes include the mosses and liverworts.
Sentence2: most mosses are small.

Output: mosses


Input:
Sentence1: a thermometer is used to measure temperature.
Sentence2: Thermal expansion is used to measure temperature.

Output: measure


Input:
Sentence1: a thermometer is used to measure temperature.
Sentence2: Thermal expansion is used to measure temperature.

Output: temperature


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: humans give birth to relatively large and mature infants.

Output: and


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: humans give birth to relatively large and mature infants.

Output: birth


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: humans give birth to relatively large and mature infants.

Output: give


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: humans give birth to relatively large and mature infants.

Output: infants


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: humans give birth to relatively large and mature infants.

Output: large


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: humans give birth to relatively large and mature infants.

Output: mature


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: humans give birth to relatively large and mature infants.

Output: relatively


Input:
Sentence1: Electrical energy can be converted into kinetic energy and heat energy by an electric motor.
Sentence2: a battery can convert chemical energy into kinetic energy.

Output: energy


Input:
Sentence1: Electrical energy can be converted into kinetic energy and heat energy by an electric motor.
Sentence2: a battery can convert chemical energy into kinetic energy.

Output: kinetic


Input:
Sentence1: Viruses often infect bacteria.
Sentence2: Infected birds spread the bacteria in their droppings.

Output: infect


Input:
Sentence1: Steel is the most useful of metals.
Sentence2: When steel rusts it becomes orange.

Output: Steel


Input:
Sentence1: Blood is a fluid connective tissue.
Sentence2: Blood cancers are rare.

Output: Blood


Input:
Sentence1: Any antigen that causes an allergy is called an allergen.
Sentence2: pollens are antigens that can cause an allergy.

Output: allergy


Input:
Sentence1: Any antigen that causes an allergy is called an allergen.
Sentence2: pollens are antigens that can cause an allergy.

Output: antigen


Input:
Sentence1: Any antigen that causes an allergy is called an allergen.
Sentence2: pollens are antigens that can cause an allergy.

Output: causes


Input:
Sentence1: Population size influences the chances of a species surviving.
Sentence2: Survival is to live, to live means hope.

Output: surviving


Input:
Sentence1: We learned about desert plants and how they adapt themselves to the hot dry desert environment so they can survive.
Sentence2: Desert plants conserve water to survive in the desert.

Output: desert


Input:
Sentence1: We learned about desert plants and how they adapt themselves to the hot dry desert environment so they can survive.
Sentence2: Desert plants conserve water to survive in the desert.

Output: plants


Input:
Sentence1: Fine particulates are tiny pieces of soot and dust that lodge deeply in the lungs.
Sentence2: smog contains tiny pieces of soot and dust.

Output: dust


Input:
Sentence1: Fine particulates are tiny pieces of soot and dust that lodge deeply in the lungs.
Sentence2: smog contains tiny pieces of soot and dust.

Output: pieces


Input:
Sentence1: Fine particulates are tiny pieces of soot and dust that lodge deeply in the lungs.
Sentence2: smog contains tiny pieces of soot and dust.

Output: soot


Input:
Sentence1: Fine particulates are tiny pieces of soot and dust that lodge deeply in the lungs.
Sentence2: smog contains tiny pieces of soot and dust.

Output: tiny


Input:
Sentence1: Minerals are chemical elements that are essential for body processes.
Sentence2: minerals are needed by body processes.

Output: processes


Input:
Sentence1: Arteries carry blood away from the heart.
Sentence2: Something that brings blood away from the heart carries oxygen-rich blood.

Output: away


Input:
Sentence1: Arteries carry blood away from the heart.
Sentence2: Something that brings blood away from the heart carries oxygen-rich blood.

Output: blood


Input:
Sentence1: Arteries carry blood away from the heart.
Sentence2: Something that brings blood away from the heart carries oxygen-rich blood.

Output: heart


Input:
Sentence1: Humans meet some needs and wants by using resources found in the natural environment.
Sentence2: Humans have a negative impact on the environment.

Output: Humans


Input:
Sentence1: Hookworm can bore through intact skin.
Sentence2: larvae bore into the host through the skin.

Output: skin


Input:
Sentence1: Communities consist of populations of different species.
Sentence2: Communities consist of populations of different groups that produce fertile offspring.

Output: Communities


Input:
Sentence1: Communities consist of populations of different species.
Sentence2: Communities consist of populations of different groups that produce fertile offspring.

Output: consist


Input:
Sentence1: Communities consist of populations of different species.
Sentence2: Communities consist of populations of different groups that produce fertile offspring.

Output: different


Input:
Sentence1: Communities consist of populations of different species.
Sentence2: Communities consist of populations of different groups that produce fertile offspring.

Output: populations


Input:
Sentence1: Condoms can break; Condoms can be used incorrectly.
Sentence2: Condoms make sex safe if they're not used incorrectly.

Output: incorrectly


Input:
Sentence1: Condoms can break; Condoms can be used incorrectly.
Sentence2: Condoms make sex safe if they're not used incorrectly.

Output: used


Input:
Sentence1: Polar bears primarily eat seals.
Sentence2: Seals live in a cold environment.

Output: seals


Input:
Sentence1: Most invertebrates have a nervous system.
Sentence2: Most animals without backbones have a nervous system.

Output: system


Input:
Sentence1: Water is a mechanical weathering force.
Sentence2: The surface of a beach is formed by water force.

Output: Water


Input:
Sentence1: Water is a mechanical weathering force.
Sentence2: The surface of a beach is formed by water force.

Output: force


Input:
Sentence1: Magnets are used in compasses.
Sentence2: Magnets are used to navigate oceans.

Output: Magnets


Input:
Sentence1: Viral pneumonia is usually milder than bacterial pneumonia.
Sentence2: Viral and bacterial disease can both be caused by injury of the lungs.

Output: Viral


Input:
Sentence1: Viral pneumonia is usually milder than bacterial pneumonia.
Sentence2: Viral and bacterial disease can both be caused by injury of the lungs.

Output: bacterial


Input:
Sentence1: Bioterrorism is another potential threat in the environment.
Sentence2: Where there is an environment, there is life within it.

Output: environment


Input:
Sentence1: Lipids may consist of fatty acids alone, or they may contain other molecules as well.
Sentence2: the building blocks of lipids may contain other molecules as well.

Output: contain


Input:
Sentence1: Lipids may consist of fatty acids alone, or they may contain other molecules as well.
Sentence2: the building blocks of lipids may contain other molecules as well.

Output: may


Input:
Sentence1: Lipids may consist of fatty acids alone, or they may contain other molecules as well.
Sentence2: the building blocks of lipids may contain other molecules as well.

Output: molecules


Input:
Sentence1: Lipids may consist of fatty acids alone, or they may contain other molecules as well.
Sentence2: the building blocks of lipids may contain other molecules as well.

Output: other


Input:
Sentence1: Lipids may consist of fatty acids alone, or they may contain other molecules as well.
Sentence2: the building blocks of lipids may contain other molecules as well.

Output: well


Input:
Sentence1: Growth of the cell normally means reproduction.
Sentence2: Cell division leads to reproduction.

Output: reproduction


Input:
Sentence1: Any human is a potential host.
Sentence2: hookworm larvae enter humans through the skin.

Output: human


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

Output: basic


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

Output: brain


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

Output: functional


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

Output: unit


Input:
Sentence1: Hormones are chemical messengers that control many body functions.
Sentence2: Hormones and neurotransmitters behave in common ways.

Output: Hormones


Input:
Sentence1: Hormones control many cell activities, so they are very important for homeostasis.
Sentence2: Homeostasis is the central theme of physiology.

Output: homeostasis


Input:
Sentence1: Bioterrorism is the intentional release or spread of agents of disease.
Sentence2: Bioterrorism is always a criminal act.

Output: Bioterrorism


Input:
Sentence1: darkness has a negative impact on photosynthesis.
Sentence2: During a solar eclipse , the sky can get quite dark.

Output: darkness


Input:
Sentence1: Light is all our eyes can really see.
Sentence2: mirrors can be seen with our eyes.

Output: eyes


Input:
Sentence1: heating a liquid can be used to identify that liquid 's boiling point.
Sentence2: Boiling is the conversion of a liquid to a gas.

Output: boiling


Input:
Sentence1: Viruses infect and live inside the cells of living organisms.
Sentence2: Yeast is a living organism.

Output: living


Input:
Sentence1: Viruses infect and live inside the cells of living organisms.
Sentence2: Yeast is a living organism.

Output: organisms


Input:
Sentence1: Animals use saturated fatty acids to store energy.
Sentence2: Dolphins are a very unique animal.

Output: Animals


Input:
Sentence1: Batteries are electro-chemical devices.
Sentence2: An electrical device can be powered with an electro-chemical device.

Output: devices


Input:
Sentence1: Batteries are electro-chemical devices.
Sentence2: An electrical device can be powered with an electro-chemical device.

Output: electro-chemical


Input:
Sentence1: Water density decreases with temperature and increases with salt content.
Sentence2: Salt content increases melting points of solids.

Output: content


Input:
Sentence1: Water density decreases with temperature and increases with salt content.
Sentence2: Salt content increases melting points of solids.

Output: increases


Input:
Sentence1: Water density decreases with temperature and increases with salt content.
Sentence2: Salt content increases melting points of solids.

Output: salt


Input:
Sentence1: scales are used for protection by scaled animals.
Sentence2: Fish are covered with protection.

Output: protection


Input:
Sentence1: Plants are multicellular eukaryotes with cell walls made of cellulose.
Sentence2: Plants cell walls are made of fiber.

Output: Plants


Input:
Sentence1: Plants are multicellular eukaryotes with cell walls made of cellulose.
Sentence2: Plants cell walls are made of fiber.

Output: cell


Input:
Sentence1: Plants are multicellular eukaryotes with cell walls made of cellulose.
Sentence2: Plants cell walls are made of fiber.

Output: made


Input:
Sentence1: Plants are multicellular eukaryotes with cell walls made of cellulose.
Sentence2: Plants cell walls are made of fiber.

Output: of


Input:
Sentence1: Plants are multicellular eukaryotes with cell walls made of cellulose.
Sentence2: Plants cell walls are made of fiber.

Output: walls


Input:
Sentence1: a valley is formed by a river flowing.
Sentence2: And from the spring there flows a river.

Output: flowing


Input:
Sentence1: a valley is formed by a river flowing.
Sentence2: And from the spring there flows a river.

Output: river


Input:
Sentence1: a delta is formed by deposition of sediment at the mouth of a river by water fanning out.
Sentence2: deposition of sediment at the mouth of a river by water fanning out is called by a Greek letter.

Output: deposition


Input:
Sentence1: a delta is formed by deposition of sediment at the mouth of a river by water fanning out.
Sentence2: deposition of sediment at the mouth of a river by water fanning out is called by a Greek letter.

Output: fanning


Input:
Sentence1: a delta is formed by deposition of sediment at the mouth of a river by water fanning out.
Sentence2: deposition of sediment at the mouth of a river by water fanning out is called by a Greek letter.

Output: mouth


Input:
Sentence1: a delta is formed by deposition of sediment at the mouth of a river by water fanning out.
Sentence2: deposition of sediment at the mouth of a river by water fanning out is called by a Greek letter.

Output: river


Input:
Sentence1: a delta is formed by deposition of sediment at the mouth of a river by water fanning out.
Sentence2: deposition of sediment at the mouth of a river by water fanning out is called by a Greek letter.

Output: sediment


Input:
Sentence1: a delta is formed by deposition of sediment at the mouth of a river by water fanning out.
Sentence2: deposition of sediment at the mouth of a river by water fanning out is called by a Greek letter.

Output: water


Input:
Sentence1: keeping food cold is used for keeping food fresh.
Sentence2: Fresh food is better tasting and better nutritionally, anyway.

Output: food


Input:
Sentence1: keeping food cold is used for keeping food fresh.
Sentence2: Fresh food is better tasting and better nutritionally, anyway.

Output: fresh


Input:
Sentence1: An X-ray is a negative image.
Sentence2: negative images are used in medical technology.

Output: image


Input:
Sentence1: An X-ray is a negative image.
Sentence2: negative images are used in medical technology.

Output: negative


Input:
Sentence1: Iceland has no known fossils.
Sentence2: Scientists who find and study things not known in Iceland are paleontologists.

Output: Iceland


Input:
Sentence1: Iceland has no known fossils.
Sentence2: Scientists who find and study things not known in Iceland are paleontologists.

Output: known


Input:
Sentence1: eating something that contains pollutants has a negative impact on an organism 's survival.
Sentence2: Plants and animals are organisms.

Output: organism


Input:
Sentence1: Adolescence is the last stage of life before adulthood.
Sentence2: Adolescence is a pivotal stage of human development.

Output: Adolescence


Input:
Sentence1: when the seasons change from the summer to the fall , the amount of daylight will decrease.
Sentence2: Then the days become colder and the number of daylight hours decreases.

Output: daylight


Input:
Sentence1: when the seasons change from the summer to the fall , the amount of daylight will decrease.
Sentence2: Then the days become colder and the number of daylight hours decreases.

Output: decrease


Input:
Sentence1: recycling has a positive impact on the environment.
Sentence2: Paper bags have a positive impact on the environment.

Output: environment


Input:
Sentence1: recycling has a positive impact on the environment.
Sentence2: Paper bags have a positive impact on the environment.

Output: impact


Input:
Sentence1: recycling has a positive impact on the environment.
Sentence2: Paper bags have a positive impact on the environment.

Output: positive


Input:
Sentence1: Bacteria are the most diverse and abundant group of organisms on Earth.
Sentence2: Bacteria are the most diverse and abundant group of life form on Earth.

Output: Bacteria


Input:
Sentence1: Bacteria are the most diverse and abundant group of organisms on Earth.
Sentence2: Bacteria are the most diverse and abundant group of life form on Earth.

Output: Earth


Input:
Sentence1: Bacteria are the most diverse and abundant group of organisms on Earth.
Sentence2: Bacteria are the most diverse and abundant group of life form on Earth.

Output: abundant


Input:
Sentence1: Bacteria are the most diverse and abundant group of organisms on Earth.
Sentence2: Bacteria are the most diverse and abundant group of life form on Earth.

Output: and


Input:
Sentence1: Bacteria are the most diverse and abundant group of organisms on Earth.
Sentence2: Bacteria are the most diverse and abundant group of life form on Earth.

Output: are


Input:
Sentence1: Bacteria are the most diverse and abundant group of organisms on Earth.
Sentence2: Bacteria are the most diverse and abundant group of life form on Earth.

Output: diverse


Input:
Sentence1: Bacteria are the most diverse and abundant group of organisms on Earth.
Sentence2: Bacteria are the most diverse and abundant group of life form on Earth.

Output: group


Input:
Sentence1: Bacteria are the most diverse and abundant group of organisms on Earth.
Sentence2: Bacteria are the most diverse and abundant group of life form on Earth.

Output: most


Input:
Sentence1: Bacteria are the most diverse and abundant group of organisms on Earth.
Sentence2: Bacteria are the most diverse and abundant group of life form on Earth.

Output: of


Input:
Sentence1: Bacteria are the most diverse and abundant group of organisms on Earth.
Sentence2: Bacteria are the most diverse and abundant group of life form on Earth.

Output: on


Input:
Sentence1: Bacteria are the most diverse and abundant group of organisms on Earth.
Sentence2: Bacteria are the most diverse and abundant group of life form on Earth.

Output: the


Input:
Sentence1: Gene cloning is the process of isolating and making copies of a gene.
Sentence2: cloning allows us to make copies of traits.

Output: cloning


Input:
Sentence1: Plants have an alternation of generations.
Sentence2: plants allow for both asexual and sexual reproduction.

Output: Plants


Input:
Sentence1: smoking tobacco decreases stamina.
Sentence2: Tobacco companies make cigarettes.

Output: tobacco


Input:
Sentence1: Tunicates, or sea squirts, are marine organisms covered with a gelatinous tunic.
Sentence2: sea squirts are barrel-shaped.

Output: sea


Input:
Sentence1: Tunicates, or sea squirts, are marine organisms covered with a gelatinous tunic.
Sentence2: sea squirts are barrel-shaped.

Output: squirts


Input:
Sentence1: ice wedging is when ice causes rocks to crack by expanding in openings.
Sentence2: Water causes rocks to crack by turning to ice in its openings.

Output: crack


Input:
Sentence1: ice wedging is when ice causes rocks to crack by expanding in openings.
Sentence2: Water causes rocks to crack by turning to ice in its openings.

Output: openings


Input:
Sentence1: ice wedging is when ice causes rocks to crack by expanding in openings.
Sentence2: Water causes rocks to crack by turning to ice in its openings.

Output: rocks


Input:
Sentence1: Cells are the microscopic building blocks of organisms.
Sentence2: Life is a living organism.

Output: organisms


Input:
Sentence1: Flowers produce seeds for reproduction.
Sentence2: A flowers purpose is to reproduce.

Output: reproduction


Input:
Sentence1: recycling has a positive impact on the environment.
Sentence2: Plastic bags are recyclable and they are reusable.

Output: recycling


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

Output: decompose


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

Output: wood


Input:
Sentence1: Darwinism is strictly, selection theory.
Sentence2: behaviors that improve fitness increase through Darwinism.

Output: Darwinism


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: Sulfur dioxide emissions causes soil nutrients to be leached away.

Output: dioxide


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: Sulfur dioxide emissions causes soil nutrients to be leached away.

Output: emission


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: Sulfur dioxide emissions causes soil nutrients to be leached away.

Output: of


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: Sulfur dioxide emissions causes soil nutrients to be leached away.

Output: sulfur


Input:
Sentence1: Humans are also placental mammals.
Sentence2: Humans are the dominant land mammals.

Output: Humans


Input:
Sentence1: Sponges are filter feeders.
Sentence2: A sessile adult can be a filter feeder.

Output: feeders


Input:
Sentence1: Sponges are filter feeders.
Sentence2: A sessile adult can be a filter feeder.

Output: filter


Input:
Sentence1: Pneumonia may be caused by an infection or injury of the lungs.
Sentence2: Pneumonia can be treated with bronchodilatory treatment.

Output: Pneumonia


Input:
Sentence1: Aggression is behavior that is intended to cause harm or pain.
Sentence2: Most definitions of aggression include behaviors that are intended to hurt or harm others.

Output: harm


Input:
Sentence1: Aggression is behavior that is intended to cause harm or pain.
Sentence2: Most definitions of aggression include behaviors that are intended to hurt or harm others.

Output: intended


Input:
Sentence1: Minerals are chemical elements that are essential for body processes.
Sentence2: Healing is a natural process for the human body.

Output: body


Input:
Sentence1: Minerals are chemical elements that are essential for body processes.
Sentence2: Healing is a natural process for the human body.

Output: processes


Input:
Sentence1: Head hair is especially important in preventing heat loss from the body.
Sentence2: Head hair is especially important in preventing hypothermia.

Output: Head


Input:
Sentence1: Head hair is especially important in preventing heat loss from the body.
Sentence2: Head hair is especially important in preventing hypothermia.

Output: especially


Input:
Sentence1: Head hair is especially important in preventing heat loss from the body.
Sentence2: Head hair is especially important in preventing hypothermia.

Output: hair


Input:
Sentence1: Head hair is especially important in preventing heat loss from the body.
Sentence2: Head hair is especially important in preventing hypothermia.

Output: important


Input:
Sentence1: Head hair is especially important in preventing heat loss from the body.
Sentence2: Head hair is especially important in preventing hypothermia.

Output: preventing


Input:
Sentence1: Water was tested for the presence of disease-causing microbes.
Sentence2: Water that is not tested can have a negative impact on the body.

Output: Water


Input:
Sentence1: Water was tested for the presence of disease-causing microbes.
Sentence2: Water that is not tested can have a negative impact on the body.

Output: tested


Input:
Sentence1: Mollusks have a simple heart, which pumps the blood throughout the body.
Sentence2: Mollusks have hearts that circulate blood through the body.

Output: body


Input:
Sentence1: Mollusks have a simple heart, which pumps the blood throughout the body.
Sentence2: Mollusks have hearts that circulate blood through the body.

Output: throughout


Input:
Sentence1: Bacteria are the most diverse and abundant group of organisms on Earth.
Sentence2: bacteria contain a diverse amount of enzymes.

Output: Bacteria


Input:
Sentence1: Because of the big wave action, the rocks are very smooth.
Sentence2: Wave action can cause rocks to contact over time.

Output: action


Input:
Sentence1: Because of the big wave action, the rocks are very smooth.
Sentence2: Wave action can cause rocks to contact over time.

Output: wave


Input:
Sentence1: Bird beaks are generally adapted for the food they eat.
Sentence2: Bird bills are generally adapted for the food they eat.

Output: Bird


Input:
Sentence1: Bird beaks are generally adapted for the food they eat.
Sentence2: Bird bills are generally adapted for the food they eat.

Output: adapted


Input:
Sentence1: Bird beaks are generally adapted for the food they eat.
Sentence2: Bird bills are generally adapted for the food they eat.

Output: are


Input:
Sentence1: Bird beaks are generally adapted for the food they eat.
Sentence2: Bird bills are generally adapted for the food they eat.

Output: eat


Input:
Sentence1: Bird beaks are generally adapted for the food they eat.
Sentence2: Bird bills are generally adapted for the food they eat.

Output: food


Input:
Sentence1: Bird beaks are generally adapted for the food they eat.
Sentence2: Bird bills are generally adapted for the food they eat.

Output: for


Input:
Sentence1: Bird beaks are generally adapted for the food they eat.
Sentence2: Bird bills are generally adapted for the food they eat.

Output: generally


Input:
Sentence1: Bird beaks are generally adapted for the food they eat.
Sentence2: Bird bills are generally adapted for the food they eat.

Output: the


Input:
Sentence1: Bird beaks are generally adapted for the food they eat.
Sentence2: Bird bills are generally adapted for the food they eat.

Output: they


Input:
Sentence1: Biomass is the total mass of organisms at a trophic level.
Sentence2: Biomass is the total mass of living things at a trophic level.

Output: Biomass


Input:
Sentence1: Biomass is the total mass of organisms at a trophic level.
Sentence2: Biomass is the total mass of living things at a trophic level.

Output: a


Input:
Sentence1: Biomass is the total mass of organisms at a trophic level.
Sentence2: Biomass is the total mass of living things at a trophic level.

Output: at


Input:
Sentence1: Biomass is the total mass of organisms at a trophic level.
Sentence2: Biomass is the total mass of living things at a trophic level.

Output: is


Input:
Sentence1: Biomass is the total mass of organisms at a trophic level.
Sentence2: Biomass is the total mass of living things at a trophic level.

Output: level


Input:
Sentence1: Biomass is the total mass of organisms at a trophic level.
Sentence2: Biomass is the total mass of living things at a trophic level.

Output: mass


Input:
Sentence1: Biomass is the total mass of organisms at a trophic level.
Sentence2: Biomass is the total mass of living things at a trophic level.

Output: of


Input:
Sentence1: Biomass is the total mass of organisms at a trophic level.
Sentence2: Biomass is the total mass of living things at a trophic level.

Output: the


Input:
Sentence1: Biomass is the total mass of organisms at a trophic level.
Sentence2: Biomass is the total mass of living things at a trophic level.

Output: total


Input:
Sentence1: Biomass is the total mass of organisms at a trophic level.
Sentence2: Biomass is the total mass of living things at a trophic level.

Output: trophic


Input:
Sentence1: hunting requires seeing prey.
Sentence2: predators require being able to see their prey.

Output: prey


Input:
Sentence1: hunting requires seeing prey.
Sentence2: predators require being able to see their prey.

Output: requires


Input:
Sentence1: hunting requires seeing prey.
Sentence2: predators require being able to see their prey.

Output: seeing


Input:
Sentence1: Rain is always water.
Sentence2: An aquatic animal requires great amounts of what rain is to survive.

Output: Rain


Input:
Sentence1: All plants are of bush type.
Sentence2: bushes grow roots down into the soil to absorb water and minerals.

Output: bush


Input:
Sentence1: Lightning, overall, is a major cause of fires.
Sentence2: lightning ignites fires.

Output: fires


Input:
Sentence1: Sound vibrations travel at different speeds through different materials.
Sentence2: Sound moves through different materials at different rates.

Output: different


Input:
Sentence1: Dromaeosaurs are part of the theropod group of dinosaurs.
Sentence2: Birds evolved from a group of bipedal dinosaurs that included Dromaeosaurs.

Output: Dromaeosaurs


Input:
Sentence1: Metal expands when warm and contracts when cool.
Sentence2: metal contracts when it cools.

Output: contracts


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Gases released during the use of fossil fuels threaten the entire planet.

Output: during


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Gases released during the use of fossil fuels threaten the entire planet.

Output: fossil


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Gases released during the use of fossil fuels threaten the entire planet.

Output: fuels


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Gases released during the use of fossil fuels threaten the entire planet.

Output: gases


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Gases released during the use of fossil fuels threaten the entire planet.

Output: released


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Gases released during the use of fossil fuels threaten the entire planet.

Output: use


Input:
Sentence1: astronauts require preserved food for extended flights.
Sentence2: Mostly for reasons of preservation, some food is dehydrated for consumption here on Earth.

Output: preserved


Input:
Sentence1: Pedigrees are useful tools for studying inheritance patterns.
Sentence2: a map of the types of hemoglobin in the family tree is useful for studying inheritance patterns.

Output: inheritance


Input:
Sentence1: Pedigrees are useful tools for studying inheritance patterns.
Sentence2: a map of the types of hemoglobin in the family tree is useful for studying inheritance patterns.

Output: patterns


Input:
Sentence1: Pedigrees are useful tools for studying inheritance patterns.
Sentence2: a map of the types of hemoglobin in the family tree is useful for studying inheritance patterns.

Output: studying


Input:
Sentence1: Pedigrees are useful tools for studying inheritance patterns.
Sentence2: a map of the types of hemoglobin in the family tree is useful for studying inheritance patterns.

Output: useful


Input:
Sentence1: Many of the animals are long-lived, reproducing often but having few young at a time.
Sentence2: Roundworms create their young sexually.

Output: young


Input:
Sentence1: Limestone is a type of sedimentary rock.
Sentence2: limestone is formed by deposition.

Output: Limestone


Input:
Sentence1: an acid changes the color of litmus paper from blue to red.
Sentence2: Sour tasting things changes litmus paper from blue to red.

Output: changes


Input:
Sentence1: absorbing sunlight causes objects to heat.
Sentence2: Heat can destroy tissue.

Output: heat


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: Heating a filament is helpful for seeing in the dark.

Output: dark


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: Heating a filament is helpful for seeing in the dark.

Output: in


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: Heating a filament is helpful for seeing in the dark.

Output: seeing


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: Heating a filament is helpful for seeing in the dark.

Output: the


Input:
Sentence1: a polar bear requires a cold environment.
Sentence2: Seals live in a cold environment.

Output: cold


Input:
Sentence1: a polar bear requires a cold environment.
Sentence2: Seals live in a cold environment.

Output: environment


Input:
Sentence1: braking can cause skidding.
Sentence2: Stopping or slowing for turns can cause skidding.

Output: cause


Input:
Sentence1: braking can cause skidding.
Sentence2: Stopping or slowing for turns can cause skidding.

Output: skidding


Input:
Sentence1: a mutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring.
Sentence2: A mutation in the sex cells of the mother or father can cause  new trait to appear in their offspring.

Output: appear


Input:
Sentence1: a mutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring.
Sentence2: A mutation in the sex cells of the mother or father can cause  new trait to appear in their offspring.

Output: cause


Input:
Sentence1: a mutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring.
Sentence2: A mutation in the sex cells of the mother or father can cause  new trait to appear in their offspring.

Output: cells


Input:
Sentence1: a mutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring.
Sentence2: A mutation in the sex cells of the mother or father can cause  new trait to appear in their offspring.

Output: new


Input:
Sentence1: a mutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring.
Sentence2: A mutation in the sex cells of the mother or father can cause  new trait to appear in their offspring.

Output: offspring


Input:
Sentence1: a mutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring.
Sentence2: A mutation in the sex cells of the mother or father can cause  new trait to appear in their offspring.

Output: sex


Input:
Sentence1: a mutation in the sex cells of a parent can cause a new trait to appear in the parent 's offspring.
Sentence2: A mutation in the sex cells of the mother or father can cause  new trait to appear in their offspring.

Output: trait


Input:
Sentence1: In winter, the northern hemisphere is tilted away from the sun.
Sentence2: the northern hemisphere gets less sun in the winter.

Output: hemisphere


Input:
Sentence1: In winter, the northern hemisphere is tilted away from the sun.
Sentence2: the northern hemisphere gets less sun in the winter.

Output: winter


Input:
Sentence1: treating water is used to remove harmful substances before drinking.
Sentence2: Water can be boiled to remove harmful substances before drinking.

Output: before


Input:
Sentence1: treating water is used to remove harmful substances before drinking.
Sentence2: Water can be boiled to remove harmful substances before drinking.

Output: drinking


Input:
Sentence1: treating water is used to remove harmful substances before drinking.
Sentence2: Water can be boiled to remove harmful substances before drinking.

Output: harmful


Input:
Sentence1: treating water is used to remove harmful substances before drinking.
Sentence2: Water can be boiled to remove harmful substances before drinking.

Output: remove


Input:
Sentence1: treating water is used to remove harmful substances before drinking.
Sentence2: Water can be boiled to remove harmful substances before drinking.

Output: substances


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: Electric cars require a path for electricity to flow through a closed circuit.

Output: a


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: Electric cars require a path for electricity to flow through a closed circuit.

Output: circuit


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: Electric cars require a path for electricity to flow through a closed circuit.

Output: closed


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: Electric cars require a path for electricity to flow through a closed circuit.

Output: electricity


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: Electric cars require a path for electricity to flow through a closed circuit.

Output: flow


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: Electric cars require a path for electricity to flow through a closed circuit.

Output: path


Input:
Sentence1: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.
Sentence2: Electric cars require a path for electricity to flow through a closed circuit.

Output: through


Input:
Sentence1: propulsion is used for flying by a spacecraft.
Sentence2: All rockets operate on the same basic principles of propulsion.

Output: propulsion


Input:
Sentence1: Damage is intensified by moisture stress during drought.
Sentence2: low amounts of rainfall intensify damage during drought.

Output: Damage


Input:
Sentence1: Damage is intensified by moisture stress during drought.
Sentence2: low amounts of rainfall intensify damage during drought.

Output: drought


Input:
Sentence1: Damage is intensified by moisture stress during drought.
Sentence2: low amounts of rainfall intensify damage during drought.

Output: during


Input:
Sentence1: Damage is intensified by moisture stress during drought.
Sentence2: low amounts of rainfall intensify damage during drought.

Output: intensified


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: transpiration is when H2O vapor moves from plants into the atmosphere.

Output: atmosphere


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: transpiration is when H2O vapor moves from plants into the atmosphere.

Output: moves


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: transpiration is when H2O vapor moves from plants into the atmosphere.

Output: plants


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: transpiration is when H2O vapor moves from plants into the atmosphere.

Output: transpiration


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: transpiration is when H2O vapor moves from plants into the atmosphere.

Output: vapor


Input:
Sentence1: Ground tissue fills the space between the dermal tissue and the vascular tissues.
Sentence2: between the dermal tissue and the vascular tissues lies most of the interior of a plant.

Output: between


Input:
Sentence1: Ground tissue fills the space between the dermal tissue and the vascular tissues.
Sentence2: between the dermal tissue and the vascular tissues lies most of the interior of a plant.

Output: dermal


Input:
Sentence1: Ground tissue fills the space between the dermal tissue and the vascular tissues.
Sentence2: between the dermal tissue and the vascular tissues lies most of the interior of a plant.

Output: tissue


Input:
Sentence1: Ground tissue fills the space between the dermal tissue and the vascular tissues.
Sentence2: between the dermal tissue and the vascular tissues lies most of the interior of a plant.

Output: tissues


Input:
Sentence1: Ground tissue fills the space between the dermal tissue and the vascular tissues.
Sentence2: between the dermal tissue and the vascular tissues lies most of the interior of a plant.

Output: vascular


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

Output: lightning


Input:
Sentence1: Plants are sensitive to acid rain.
Sentence2: Plants are sensitive to water quality.

Output: Plants


Input:
Sentence1: Plants are sensitive to acid rain.
Sentence2: Plants are sensitive to water quality.

Output: are


Input:
Sentence1: Plants are sensitive to acid rain.
Sentence2: Plants are sensitive to water quality.

Output: sensitive


Input:
Sentence1: Bamboos are vigorous, rugged plants.
Sentence2: bamboo detects and responds to the daily cycle of light and darkness.

Output: Bamboos


Input:
Sentence1: Wheat is a grass-type plant.
Sentence2: wheat requires sunlight to grow.

Output: Wheat


Input:
Sentence1: living underground can be used for hiding from predators.
Sentence2: They live in a network of underground tunnels.

Output: underground


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

Output: animal


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

Output: bodily


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

Output: needs


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

Output: replenish


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

Output: water


Input:
Sentence1: Cows, horses, dogs, cats and people are all placental mammals.
Sentence2: cows develop a placenta during pregnancy.

Output: Cows


Input:
Sentence1: boiling means change from a liquid into a gas by adding heat energy.
Sentence2: cooking soup means change from liquid to gas by adding heat energy.

Output: adding


Input:
Sentence1: boiling means change from a liquid into a gas by adding heat energy.
Sentence2: cooking soup means change from liquid to gas by adding heat energy.

Output: change


Input:
Sentence1: boiling means change from a liquid into a gas by adding heat energy.
Sentence2: cooking soup means change from liquid to gas by adding heat energy.

Output: energy


Input:
Sentence1: boiling means change from a liquid into a gas by adding heat energy.
Sentence2: cooking soup means change from liquid to gas by adding heat energy.

Output: gas


Input:
Sentence1: boiling means change from a liquid into a gas by adding heat energy.
Sentence2: cooking soup means change from liquid to gas by adding heat energy.

Output: heat


Input:
Sentence1: boiling means change from a liquid into a gas by adding heat energy.
Sentence2: cooking soup means change from liquid to gas by adding heat energy.

Output: liquid


Input:
Sentence1: boiling means change from a liquid into a gas by adding heat energy.
Sentence2: cooking soup means change from liquid to gas by adding heat energy.

Output: means


Input:
Sentence1: Gene flow occurs when individuals move into or out of a population.
Sentence2: Populations Populations are subsets of a species.

Output: population


Input:
Sentence1: Hair cells are also a type of skin cell.
Sentence2: hair and skin share some of the same structures and basic functions.

Output: Hair


Input:
Sentence1: Hair cells are also a type of skin cell.
Sentence2: hair and skin share some of the same structures and basic functions.

Output: skin


Input:
Sentence1: H2O is the scientific name for water.
Sentence2: if soil is permeable then h2o easily flows through the soil.

Output: H2O


Input:
Sentence1: a meter stick is used to measure distance.
Sentence2: a meter stick is used to calculate distance.

Output: distance


Input:
Sentence1: a meter stick is used to measure distance.
Sentence2: a meter stick is used to calculate distance.

Output: meter


Input:
Sentence1: a meter stick is used to measure distance.
Sentence2: a meter stick is used to calculate distance.

Output: stick


Input:
Sentence1: a meter stick is used to measure distance.
Sentence2: a meter stick is used to calculate distance.

Output: used


Input:
Sentence1: Transcription takes place in the nucleus.
Sentence2: DNA transcription is the process where a copy of the DNA is made.

Output: Transcription


Input:
Sentence1: thick fur can be used for keeping warm.
Sentence2: All bears are covered with heavy fur.

Output: fur


Input:
Sentence1: Oncogenes promote the division of cells with damaged DNA.
Sentence2: DNA DNA DNA is a person's genetic fingerprint.

Output: DNA


Input:
Sentence1: Large amounts of nitrogen are found naturally in the air and soil, and in living organisms.
Sentence2: Proteins,nucleic acids and chlorophyll are found naturally in the air and soil, and living organisms.

Output: air


Input:
Sentence1: Large amounts of nitrogen are found naturally in the air and soil, and in living organisms.
Sentence2: Proteins,nucleic acids and chlorophyll are found naturally in the air and soil, and living organisms.

Output: are


Input:
Sentence1: Large amounts of nitrogen are found naturally in the air and soil, and in living organisms.
Sentence2: Proteins,nucleic acids and chlorophyll are found naturally in the air and soil, and living organisms.

Output: found


Input:
Sentence1: Large amounts of nitrogen are found naturally in the air and soil, and in living organisms.
Sentence2: Proteins,nucleic acids and chlorophyll are found naturally in the air and soil, and living organisms.

Output: in


Input:
Sentence1: Large amounts of nitrogen are found naturally in the air and soil, and in living organisms.
Sentence2: Proteins,nucleic acids and chlorophyll are found naturally in the air and soil, and living organisms.

Output: living


Input:
Sentence1: Large amounts of nitrogen are found naturally in the air and soil, and in living organisms.
Sentence2: Proteins,nucleic acids and chlorophyll are found naturally in the air and soil, and living organisms.

Output: naturally


Input:
Sentence1: Large amounts of nitrogen are found naturally in the air and soil, and in living organisms.
Sentence2: Proteins,nucleic acids and chlorophyll are found naturally in the air and soil, and living organisms.

Output: organisms


Input:
Sentence1: Large amounts of nitrogen are found naturally in the air and soil, and in living organisms.
Sentence2: Proteins,nucleic acids and chlorophyll are found naturally in the air and soil, and living organisms.

Output: soil


Input:
Sentence1: Large amounts of nitrogen are found naturally in the air and soil, and in living organisms.
Sentence2: Proteins,nucleic acids and chlorophyll are found naturally in the air and soil, and living organisms.

Output: the


Input:
Sentence1: Mitosis is cell division.
Sentence2: mitosis often causes growth.

Output: Mitosis


Input:
Sentence1: Mammals took advantage of the extinction of the dinosaurs.
Sentence2: large animals that roamed the earth were replaced with mammals after their extinction.

Output: Mammals


Input:
Sentence1: Mammals took advantage of the extinction of the dinosaurs.
Sentence2: large animals that roamed the earth were replaced with mammals after their extinction.

Output: extinction


Input:
Sentence1: coal is used for generating heat by burning.
Sentence2: generating heat by burning occurs at power stations.

Output: burning


Input:
Sentence1: coal is used for generating heat by burning.
Sentence2: generating heat by burning occurs at power stations.

Output: generating