Input:
Sentence1: Scientists who find and study fossils are called paleontologists.
Sentence2: Scientists who find and study dinosaurs are called paleontologists.

Output: study


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

Output: global


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

Output: patterns


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

Output: wind


Input:
Sentence1: Behaviors can be learned through play.
Sentence2: Ian plays role playing games.

Output: play


Input:
Sentence1: Playing is one way mammals and other animals learn how to behave.
Sentence2: Playing is really fun.

Output: Playing


Input:
Sentence1: moss causes chemical weathering.
Sentence2: Mos causes the chemical disintegration of rocks.

Output: causes


Input:
Sentence1: moss causes chemical weathering.
Sentence2: Mos causes the chemical disintegration of rocks.

Output: moss


Input:
Sentence1: An invertebrate is an animal that has no spine, or backbone.
Sentence2: snails have no backbone.

Output: backbone


Input:
Sentence1: darkness has a negative impact on photosynthesis.
Sentence2: Darkness has a negative impact on the process that produces oxygen.

Output: darkness


Input:
Sentence1: darkness has a negative impact on photosynthesis.
Sentence2: Darkness has a negative impact on the process that produces oxygen.

Output: impact


Input:
Sentence1: darkness has a negative impact on photosynthesis.
Sentence2: Darkness has a negative impact on the process that produces oxygen.

Output: negative


Input:
Sentence1: the ovaries are used in reproduction.
Sentence2: progesterone is  used in reproduction.

Output: reproduction


Input:
Sentence1: the ovaries are used in reproduction.
Sentence2: progesterone is  used in reproduction.

Output: used


Input:
Sentence1: Earthworm burrows help aerate soil, which is also good for plants.
Sentence2: Earthworms are perhaps the most familiar decomposer.

Output: Earthworm


Input:
Sentence1: Although hair is created by living follicles in the scalp, it's dead.
Sentence2: living follicles in the scalp is especially important in preventing heat loss from the body.

Output: follicles


Input:
Sentence1: Although hair is created by living follicles in the scalp, it's dead.
Sentence2: living follicles in the scalp is especially important in preventing heat loss from the body.

Output: living


Input:
Sentence1: Although hair is created by living follicles in the scalp, it's dead.
Sentence2: living follicles in the scalp is especially important in preventing heat loss from the body.

Output: scalp


Input:
Sentence1: Adolescence follows the developmental stage of puberty.
Sentence2: The period after puberty is a time of significant mental, emotional, and social changes.

Output: puberty


Input:
Sentence1: Solid ice is melted into liquid water.
Sentence2: ice melts into water.

Output: ice


Input:
Sentence1: Petrels, seagulls, and other birds snatch the eggs, babies, and very old, weak penguins.
Sentence2: Seagulls have a large brain relative to the size of their body.

Output: seagulls


Input:
Sentence1: a rainbow is formed by refraction of light by separating light into all different colors.
Sentence2: Rainbows have colors because water refracts different wavelengths of light slightly differently.

Output: colors


Input:
Sentence1: Naturally Organic foods are grown without the aid of unsafe and polluting chemicals.
Sentence2: Eating naturally organic food can prevent a negative impact on an organism's survival.

Output: Naturally


Input:
Sentence1: Naturally Organic foods are grown without the aid of unsafe and polluting chemicals.
Sentence2: Eating naturally organic food can prevent a negative impact on an organism's survival.

Output: Organic


Input:
Sentence1: Naturally Organic foods are grown without the aid of unsafe and polluting chemicals.
Sentence2: Eating naturally organic food can prevent a negative impact on an organism's survival.

Output: foods


Input:
Sentence1: when the season changes , the amount of daylight will change.
Sentence2: when the season changes  the amount of hours will change.

Output: amount


Input:
Sentence1: when the season changes , the amount of daylight will change.
Sentence2: when the season changes  the amount of hours will change.

Output: change


Input:
Sentence1: when the season changes , the amount of daylight will change.
Sentence2: when the season changes  the amount of hours will change.

Output: changes


Input:
Sentence1: when the season changes , the amount of daylight will change.
Sentence2: when the season changes  the amount of hours will change.

Output: season


Input:
Sentence1: when the season changes , the amount of daylight will change.
Sentence2: when the season changes  the amount of hours will change.

Output: the


Input:
Sentence1: when the season changes , the amount of daylight will change.
Sentence2: when the season changes  the amount of hours will change.

Output: when


Input:
Sentence1: when the season changes , the amount of daylight will change.
Sentence2: when the season changes  the amount of hours will change.

Output: will


Input:
Sentence1: Evaporated water is in the form of water vapor.
Sentence2: water vapor evaporates to condense into clouds.

Output: Evaporated


Input:
Sentence1: a generator converts kinetic energy into electrical energy.
Sentence2: A generator converts kinetic energy into kWh.

Output: converts


Input:
Sentence1: a generator converts kinetic energy into electrical energy.
Sentence2: A generator converts kinetic energy into kWh.

Output: energy


Input:
Sentence1: a generator converts kinetic energy into electrical energy.
Sentence2: A generator converts kinetic energy into kWh.

Output: generator


Input:
Sentence1: a generator converts kinetic energy into electrical energy.
Sentence2: A generator converts kinetic energy into kWh.

Output: kinetic


Input:
Sentence1: Water behind a dam has potential energy that can be converted to kinetic energy.
Sentence2: a generator is used to turn water behind a dam into electrical energy.

Output: Water


Input:
Sentence1: Water behind a dam has potential energy that can be converted to kinetic energy.
Sentence2: a generator is used to turn water behind a dam into electrical energy.

Output: behind


Input:
Sentence1: Water behind a dam has potential energy that can be converted to kinetic energy.
Sentence2: a generator is used to turn water behind a dam into electrical energy.

Output: dam


Input:
Sentence1: adding salt to a solid decreases the freezing point of that solid.
Sentence2: Another name for salt is sodium.

Output: salt


Input:
Sentence1: Heat is a measurement of transferable energy.
Sentence2: preventing the transfer of energy from an organism's body causes it to keep warm.

Output: energy


Input:
Sentence1: Trees have woody stems covered with bark.
Sentence2: All elms are trees.

Output: Trees


Input:
Sentence1: Examples are the E-Coli bacteria and Hanta virus.
Sentence2: E-coli is part of the most diverse and abundant group of organisms on Earth.

Output: E-Coli


Input:
Sentence1: Steroid hormones are the longest acting hormones.
Sentence2: steroids are chemical messengers that control many body functions.

Output: Steroid


Input:
Sentence1: vinegar can cause harm to the eyes.
Sentence2: Humans see with our eyes.

Output: eyes


Input:
Sentence1: contact between rocks over long periods of time causes rocks to smooth.
Sentence2: Sandstone, shale, and limestone are sedimentary rocks.

Output: rocks


Input:
Sentence1: if fossils of an animal or plant are found in a place then that animal or plant used to live in that place.
Sentence2: The remains of plants and animals are found where they used to live.

Output: live


Input:
Sentence1: if fossils of an animal or plant are found in a place then that animal or plant used to live in that place.
Sentence2: The remains of plants and animals are found where they used to live.

Output: to


Input:
Sentence1: if fossils of an animal or plant are found in a place then that animal or plant used to live in that place.
Sentence2: The remains of plants and animals are found where they used to live.

Output: used


Input:
Sentence1: air pollution can cause the pH of soil to decrease.
Sentence2: Acidity is measured with a pH meter or with pH paper strips.

Output: pH


Input:
Sentence1: Food crops are also produced for local consumption.
Sentence2: insects can destroy food.

Output: Food


Input:
Sentence1: Plants are producers are consumers are omnivores .
Sentence2: consumers are omnivores in terrestrial biomes.

Output: consumers


Input:
Sentence1: Plants are producers are consumers are omnivores .
Sentence2: consumers are omnivores in terrestrial biomes.

Output: omnivores


Input:
Sentence1: crossing two living things with recessive traits causes their offspring to have that recessive trait.
Sentence2: Some characteristics are recessive, for example blue eyes.

Output: recessive


Input:
Sentence1: crossing two living things with recessive traits causes their offspring to have that recessive trait.
Sentence2: Some characteristics are recessive, for example blue eyes.

Output: traits


Input:
Sentence1: Streams A stream is a sequence of characters.
Sentence2: a sequence of characters may start with runoff or water seeping out of a spring.

Output: characters


Input:
Sentence1: Streams A stream is a sequence of characters.
Sentence2: a sequence of characters may start with runoff or water seeping out of a spring.

Output: sequence


Input:
Sentence1: Most of the precipitation falls as snow.
Sentence2: lack of snow causes drought.

Output: snow


Input:
Sentence1: Chemical weathering is the chemical disintigration of rocks.
Sentence2: moss causes the chemical disintigration of rocks.

Output: chemical


Input:
Sentence1: Chemical weathering is the chemical disintigration of rocks.
Sentence2: moss causes the chemical disintigration of rocks.

Output: disintigration


Input:
Sentence1: Chemical weathering is the chemical disintigration of rocks.
Sentence2: moss causes the chemical disintigration of rocks.

Output: of


Input:
Sentence1: Chemical weathering is the chemical disintigration of rocks.
Sentence2: moss causes the chemical disintigration of rocks.

Output: rocks


Input:
Sentence1: Life changes, life evolves.
Sentence2: Cynodonts became more mammal like as they continued to change.

Output: changes


Input:
Sentence1: using cell phones can cause people to become distracted.
Sentence2: Using a cell phone when driving can lead to a lethal situation.

Output: cell


Input:
Sentence1: using cell phones can cause people to become distracted.
Sentence2: Using a cell phone when driving can lead to a lethal situation.

Output: phones


Input:
Sentence1: using cell phones can cause people to become distracted.
Sentence2: Using a cell phone when driving can lead to a lethal situation.

Output: using


Input:
Sentence1: propulsion is used for flying by a spacecraft.
Sentence2: When Apollo 12 took off, the spacecraft was hit by lightning.

Output: spacecraft


Input:
Sentence1: shelter is used for protection by animals against weather.
Sentence2: sponges are used for protection by animals.

Output: animals


Input:
Sentence1: shelter is used for protection by animals against weather.
Sentence2: sponges are used for protection by animals.

Output: protection


Input:
Sentence1: shelter is used for protection by animals against weather.
Sentence2: sponges are used for protection by animals.

Output: used


Input:
Sentence1: Forest fires are examples of wildfires.
Sentence2: Lightning can cause a wildfire.

Output: wildfires


Input:
Sentence1: Cells are the basic units of the structure and function of living things.
Sentence2: Cells make up the structure and function of plants and animals.

Output: Cells


Input:
Sentence1: Cells are the basic units of the structure and function of living things.
Sentence2: Cells make up the structure and function of plants and animals.

Output: function


Input:
Sentence1: Cells are the basic units of the structure and function of living things.
Sentence2: Cells make up the structure and function of plants and animals.

Output: structure


Input:
Sentence1: optical tools are used for observing materials up close.
Sentence2: Microscopes enable a person to observe a material up close.

Output: close


Input:
Sentence1: optical tools are used for observing materials up close.
Sentence2: Microscopes enable a person to observe a material up close.

Output: materials


Input:
Sentence1: optical tools are used for observing materials up close.
Sentence2: Microscopes enable a person to observe a material up close.

Output: observing


Input:
Sentence1: optical tools are used for observing materials up close.
Sentence2: Microscopes enable a person to observe a material up close.

Output: up


Input:
Sentence1: Standard filaments are made of tungsten.
Sentence2: an incandescent light bulb converts electricity into light by using tungsten.

Output: tungsten


Input:
Sentence1: a refrigerator is used for keeping food fresh for a long period of time.
Sentence2: To prevent bacterial food poisoning, the basic rule is to keep hot foods hot and cold foods cold.

Output: food


Input:
Sentence1: Adult sponges produce eggs and sperm.
Sentence2: Sperm and eggs are cells known as gametes.

Output: eggs


Input:
Sentence1: Adult sponges produce eggs and sperm.
Sentence2: Sperm and eggs are cells known as gametes.

Output: sperm


Input:
Sentence1: Another common pollutant is airborne particulate matter.
Sentence2: Smog is an airborne pollutant.

Output: airborne


Input:
Sentence1: Another common pollutant is airborne particulate matter.
Sentence2: Smog is an airborne pollutant.

Output: pollutant


Input:
Sentence1: Pesticides for cranberries pollute the water.
Sentence2: Pesticides for cranberries have a negative impact on the environment.

Output: Pesticides


Input:
Sentence1: Pesticides for cranberries pollute the water.
Sentence2: Pesticides for cranberries have a negative impact on the environment.

Output: cranberries


Input:
Sentence1: Tap water is fluoridated to help prevent tooth decay.
Sentence2: tap water decreases tooth decay.

Output: Tap


Input:
Sentence1: Tap water is fluoridated to help prevent tooth decay.
Sentence2: tap water decreases tooth decay.

Output: water


Input:
Sentence1: Plants are grown in greenhouses and protected from wild butterflies.
Sentence2: Plants are grown where they are protected from the cold.

Output: Plants


Input:
Sentence1: Plants are grown in greenhouses and protected from wild butterflies.
Sentence2: Plants are grown where they are protected from the cold.

Output: grown


Input:
Sentence1: Earth 's tilt on its rotating axis causes seasons to change.
Sentence2: Earth 's tilt on its rotating axis causes autumn.

Output: Earth


Input:
Sentence1: Earth 's tilt on its rotating axis causes seasons to change.
Sentence2: Earth 's tilt on its rotating axis causes autumn.

Output: axis


Input:
Sentence1: Earth 's tilt on its rotating axis causes seasons to change.
Sentence2: Earth 's tilt on its rotating axis causes autumn.

Output: causes


Input:
Sentence1: Earth 's tilt on its rotating axis causes seasons to change.
Sentence2: Earth 's tilt on its rotating axis causes autumn.

Output: on


Input:
Sentence1: Earth 's tilt on its rotating axis causes seasons to change.
Sentence2: Earth 's tilt on its rotating axis causes autumn.

Output: rotating


Input:
Sentence1: Earth 's tilt on its rotating axis causes seasons to change.
Sentence2: Earth 's tilt on its rotating axis causes autumn.

Output: tilt


Input:
Sentence1: natural disasters can cause animals to leave an environment.
Sentence2: If the property is damaged by a fire, natural disaster.

Output: disasters


Input:
Sentence1: natural disasters can cause animals to leave an environment.
Sentence2: If the property is damaged by a fire, natural disaster.

Output: natural


Input:
Sentence1: Cells are the microscopic building blocks of organisms.
Sentence2: cells are the microscopic building blocks of plants.

Output: Cells


Input:
Sentence1: Cells are the microscopic building blocks of organisms.
Sentence2: cells are the microscopic building blocks of plants.

Output: blocks


Input:
Sentence1: Cells are the microscopic building blocks of organisms.
Sentence2: cells are the microscopic building blocks of plants.

Output: building


Input:
Sentence1: Cells are the microscopic building blocks of organisms.
Sentence2: cells are the microscopic building blocks of plants.

Output: microscopic


Input:
Sentence1: Temperature Scales Temperature is the energy of vibration.
Sentence2: a thermometer is used to measure energy of vibration.

Output: energy


Input:
Sentence1: Temperature Scales Temperature is the energy of vibration.
Sentence2: a thermometer is used to measure energy of vibration.

Output: vibration


Input:
Sentence1: Physiological stresses can relate to changes in growth size, for example.
Sentence2: Changes in size are faster during infancy than during puberty.

Output: changes


Input:
Sentence1: Physiological stresses can relate to changes in growth size, for example.
Sentence2: Changes in size are faster during infancy than during puberty.

Output: size


Input:
Sentence1: Humans have collected and grown mushrooms for food for thousands of years.
Sentence2: Humans have collected and grown fungus for food for thousands of years.

Output: Humans


Input:
Sentence1: Humans have collected and grown mushrooms for food for thousands of years.
Sentence2: Humans have collected and grown fungus for food for thousands of years.

Output: and


Input:
Sentence1: Humans have collected and grown mushrooms for food for thousands of years.
Sentence2: Humans have collected and grown fungus for food for thousands of years.

Output: collected


Input:
Sentence1: Humans have collected and grown mushrooms for food for thousands of years.
Sentence2: Humans have collected and grown fungus for food for thousands of years.

Output: food


Input:
Sentence1: Humans have collected and grown mushrooms for food for thousands of years.
Sentence2: Humans have collected and grown fungus for food for thousands of years.

Output: for


Input:
Sentence1: Humans have collected and grown mushrooms for food for thousands of years.
Sentence2: Humans have collected and grown fungus for food for thousands of years.

Output: grown


Input:
Sentence1: Humans have collected and grown mushrooms for food for thousands of years.
Sentence2: Humans have collected and grown fungus for food for thousands of years.

Output: have


Input:
Sentence1: Humans have collected and grown mushrooms for food for thousands of years.
Sentence2: Humans have collected and grown fungus for food for thousands of years.

Output: of


Input:
Sentence1: Humans have collected and grown mushrooms for food for thousands of years.
Sentence2: Humans have collected and grown fungus for food for thousands of years.

Output: thousands


Input:
Sentence1: Humans have collected and grown mushrooms for food for thousands of years.
Sentence2: Humans have collected and grown fungus for food for thousands of years.

Output: years


Input:
Sentence1: All plants have a characteristic life cycle that includes alternation of generations.
Sentence2: All plants have a characteristic life cycle that includes sexual and asexual reproduction.

Output: characteristic


Input:
Sentence1: All plants have a characteristic life cycle that includes alternation of generations.
Sentence2: All plants have a characteristic life cycle that includes sexual and asexual reproduction.

Output: cycle


Input:
Sentence1: All plants have a characteristic life cycle that includes alternation of generations.
Sentence2: All plants have a characteristic life cycle that includes sexual and asexual reproduction.

Output: life


Input:
Sentence1: All plants have a characteristic life cycle that includes alternation of generations.
Sentence2: All plants have a characteristic life cycle that includes sexual and asexual reproduction.

Output: plants


Input:
Sentence1: Earth 's magnetic patterns are used for finding locations by animals that migrate.
Sentence2: Migrating animals use the cardinal direction of North to find locations.

Output: animals


Input:
Sentence1: Earth 's magnetic patterns are used for finding locations by animals that migrate.
Sentence2: Migrating animals use the cardinal direction of North to find locations.

Output: locations


Input:
Sentence1: Earth 's magnetic patterns are used for finding locations by animals that migrate.
Sentence2: Migrating animals use the cardinal direction of North to find locations.

Output: migrate


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: Pinions tolerate drought and alkaline soil, but prefer loose, well-drained soils.

Output: looseness


Input:
Sentence1: Constriction occurs when the muscular walls of blood vessels contract.
Sentence2: muscular walls of blood vessels contracting raises blood pressure.

Output: blood


Input:
Sentence1: Constriction occurs when the muscular walls of blood vessels contract.
Sentence2: muscular walls of blood vessels contracting raises blood pressure.

Output: contract


Input:
Sentence1: Constriction occurs when the muscular walls of blood vessels contract.
Sentence2: muscular walls of blood vessels contracting raises blood pressure.

Output: muscular


Input:
Sentence1: Constriction occurs when the muscular walls of blood vessels contract.
Sentence2: muscular walls of blood vessels contracting raises blood pressure.

Output: vessels


Input:
Sentence1: Constriction occurs when the muscular walls of blood vessels contract.
Sentence2: muscular walls of blood vessels contracting raises blood pressure.

Output: walls


Input:
Sentence1: soil is formed by rocks eroding.
Sentence2: Rivers aid in the formation of soil.

Output: formed


Input:
Sentence1: soil is formed by rocks eroding.
Sentence2: Rivers aid in the formation of soil.

Output: soil


Input:
Sentence1: Viruses attach themselves to cells and reproduce.
Sentence2: Viruses cannot make copies of themselves alone. They need to attach themselves to cells.

Output: attach


Input:
Sentence1: Viruses attach themselves to cells and reproduce.
Sentence2: Viruses cannot make copies of themselves alone. They need to attach themselves to cells.

Output: cells


Input:
Sentence1: Viruses attach themselves to cells and reproduce.
Sentence2: Viruses cannot make copies of themselves alone. They need to attach themselves to cells.

Output: themselves


Input:
Sentence1: Ejaculation occurs when muscle contractions propel sperm from the epididymes.
Sentence2: Ejaculation occurs when muscle contractions propel male gametes.

Output: Ejaculation


Input:
Sentence1: Ejaculation occurs when muscle contractions propel sperm from the epididymes.
Sentence2: Ejaculation occurs when muscle contractions propel male gametes.

Output: contractions


Input:
Sentence1: Ejaculation occurs when muscle contractions propel sperm from the epididymes.
Sentence2: Ejaculation occurs when muscle contractions propel male gametes.

Output: muscle


Input:
Sentence1: Ejaculation occurs when muscle contractions propel sperm from the epididymes.
Sentence2: Ejaculation occurs when muscle contractions propel male gametes.

Output: occurs


Input:
Sentence1: Ejaculation occurs when muscle contractions propel sperm from the epididymes.
Sentence2: Ejaculation occurs when muscle contractions propel male gametes.

Output: propel


Input:
Sentence1: Ejaculation occurs when muscle contractions propel sperm from the epididymes.
Sentence2: Ejaculation occurs when muscle contractions propel male gametes.

Output: when


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Differences in temperature between the equatorial regions and higher latitudes om the Earth shapes global wind patterns.

Output: Earth


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Differences in temperature between the equatorial regions and higher latitudes om the Earth shapes global wind patterns.

Output: global


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Differences in temperature between the equatorial regions and higher latitudes om the Earth shapes global wind patterns.

Output: patterns


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Differences in temperature between the equatorial regions and higher latitudes om the Earth shapes global wind patterns.

Output: wind


Input:
Sentence1: When contracted the triceps femoris pulls the thigh forward and extends the shank.
Sentence2: Muscles like the triceps femoris are used to move bones.

Output: femoris


Input:
Sentence1: When contracted the triceps femoris pulls the thigh forward and extends the shank.
Sentence2: Muscles like the triceps femoris are used to move bones.

Output: triceps


Input:
Sentence1: Viruses contain DNA but not much else.
Sentence2: HIV virus contains RNA.

Output: Viruses


Input:
Sentence1: When the stomach is removed, it is possible for bile to reflux into the mouth.
Sentence2: reflux into the mouth reduces the acidity of food entering from the highly acidic stomach.

Output: into


Input:
Sentence1: When the stomach is removed, it is possible for bile to reflux into the mouth.
Sentence2: reflux into the mouth reduces the acidity of food entering from the highly acidic stomach.

Output: mouth


Input:
Sentence1: When the stomach is removed, it is possible for bile to reflux into the mouth.
Sentence2: reflux into the mouth reduces the acidity of food entering from the highly acidic stomach.

Output: reflux


Input:
Sentence1: Organisms cluster around hydrothermal vents in the ocean floor.
Sentence2: vents on the ocean floor are powered by heat.

Output: vents


Input:
Sentence1: Pollen consists of tiny grains that are the male gametes of plants.
Sentence2: Haploid plants produce gametes.

Output: gametes


Input:
Sentence1: Metabolic rate is the rate at which food is burned for energy.
Sentence2: thyroid hormones increase the rate of energy consumption.

Output: energy


Input:
Sentence1: Hurricanes have wind speeds of at least 74 mph.
Sentence2: anemometers can measure hurricanes.

Output: Hurricanes


Input:
Sentence1: the fallopian tubes are used in reproduction.
Sentence2: fertilization is used in reproduction.

Output: reproduction


Input:
Sentence1: the fallopian tubes are used in reproduction.
Sentence2: fertilization is used in reproduction.

Output: used


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring it ffect biological diversity.

Output: all


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring it ffect biological diversity.

Output: cannot


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring it ffect biological diversity.

Output: if


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring it ffect biological diversity.

Output: members


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring it ffect biological diversity.

Output: offspring


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring it ffect biological diversity.

Output: produce


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring it ffect biological diversity.

Output: species


Input:
Sentence1: Hermit crabs use the shells of dead snails for homes.
Sentence2: Gastropods are snails which have a single shell.

Output: snails


Input:
Sentence1: Evolution occurs in response to a change in the environment.
Sentence2: evolution occurs in response to a change in native habitats.

Output: Evolution


Input:
Sentence1: Evolution occurs in response to a change in the environment.
Sentence2: evolution occurs in response to a change in native habitats.

Output: change


Input:
Sentence1: Evolution occurs in response to a change in the environment.
Sentence2: evolution occurs in response to a change in native habitats.

Output: occurs


Input:
Sentence1: Evolution occurs in response to a change in the environment.
Sentence2: evolution occurs in response to a change in native habitats.

Output: response


Input:
Sentence1: Platypus females lay their eggs in a burrow.
Sentence2: Platypus females nest in a burrow and wait for the hatching.

Output: Platypus


Input:
Sentence1: Platypus females lay their eggs in a burrow.
Sentence2: Platypus females nest in a burrow and wait for the hatching.

Output: burrow


Input:
Sentence1: Platypus females lay their eggs in a burrow.
Sentence2: Platypus females nest in a burrow and wait for the hatching.

Output: females


Input:
Sentence1: Mynah birds are the main competing species for nest holes.
Sentence2: Mynah birds undergo specialization to compete for nest holes.

Output: Mynah


Input:
Sentence1: Mynah birds are the main competing species for nest holes.
Sentence2: Mynah birds undergo specialization to compete for nest holes.

Output: birds


Input:
Sentence1: Mynah birds are the main competing species for nest holes.
Sentence2: Mynah birds undergo specialization to compete for nest holes.

Output: holes


Input:
Sentence1: Mynah birds are the main competing species for nest holes.
Sentence2: Mynah birds undergo specialization to compete for nest holes.

Output: nest


Input:
Sentence1: nerves can be used to feel heat and pressure on the skin.
Sentence2: Nerve endings in the skin allow us to feel pain, pressure, heat, and cold.

Output: feel


Input:
Sentence1: Animals and humans eat plants for their nutrients.
Sentence2: changes in soil pH rob humans of nutrients.

Output: humans


Input:
Sentence1: Animals and humans eat plants for their nutrients.
Sentence2: changes in soil pH rob humans of nutrients.

Output: nutrients


Input:
Sentence1: Balanced eating is a way of eating that promotes good health.
Sentence2: Balanced eating aids in a good living.

Output: Balanced


Input:
Sentence1: Balanced eating is a way of eating that promotes good health.
Sentence2: Balanced eating aids in a good living.

Output: eating


Input:
Sentence1: Insects are the largest group of arthropods.
Sentence2: insects have a life cycle that includes sexual reproduction.

Output: Insects


Input:
Sentence1: crossing two living things with recessive traits causes their offspring to have that recessive trait.
Sentence2: crossing two living things with white eye color causes their offspring to have white eye color.

Output: causes


Input:
Sentence1: crossing two living things with recessive traits causes their offspring to have that recessive trait.
Sentence2: crossing two living things with white eye color causes their offspring to have white eye color.

Output: crossing


Input:
Sentence1: crossing two living things with recessive traits causes their offspring to have that recessive trait.
Sentence2: crossing two living things with white eye color causes their offspring to have white eye color.

Output: living


Input:
Sentence1: crossing two living things with recessive traits causes their offspring to have that recessive trait.
Sentence2: crossing two living things with white eye color causes their offspring to have white eye color.

Output: offspring


Input:
Sentence1: crossing two living things with recessive traits causes their offspring to have that recessive trait.
Sentence2: crossing two living things with white eye color causes their offspring to have white eye color.

Output: things


Input:
Sentence1: crossing two living things with recessive traits causes their offspring to have that recessive trait.
Sentence2: crossing two living things with white eye color causes their offspring to have white eye color.

Output: two


Input:
Sentence1: sediment is formed by weathering.
Sentence2: Sedimentary rocks are made from sediment.

Output: sediment


Input:
Sentence1: Male gametes are called sperm.
Sentence2: Male gametes are released into the surrounding water through the osculum.

Output: Male


Input:
Sentence1: Male gametes are called sperm.
Sentence2: Male gametes are released into the surrounding water through the osculum.

Output: gametes


Input:
Sentence1: looking at bright objects has a negative impact on the eyes.
Sentence2: looking at stars negatively impacts the eyes.

Output: eyes


Input:
Sentence1: Eyes used for seeing ahead and balance.
Sentence2: light is used for seeing ahead.

Output: ahead


Input:
Sentence1: Eyes used for seeing ahead and balance.
Sentence2: light is used for seeing ahead.

Output: seeing


Input:
Sentence1: Eyes used for seeing ahead and balance.
Sentence2: light is used for seeing ahead.

Output: used


Input:
Sentence1: a delta is formed by deposition of sediment at the mouth of a river by water fanning out.
Sentence2: When the river slows, it drops the sediment in a wide fan, a delta.

Output: delta


Input:
Sentence1: a delta is formed by deposition of sediment at the mouth of a river by water fanning out.
Sentence2: When the river slows, it drops the sediment in a wide fan, a delta.

Output: fanning


Input:
Sentence1: Marmots live in underground burrows.
Sentence2: Marmots are protected from a wild fire because they're underground.

Output: Marmots


Input:
Sentence1: Chemical weapons are toxic chemicals.
Sentence2: Toxic materials that splash on a human can cause harm.

Output: toxic


Input:
Sentence1: navigation requires knowing direction.
Sentence2: International shipping requires more than navigating foreign waters or air space.

Output: navigation


Input:
Sentence1: Wind speeds are in knots.
Sentence2: Anemometers are used to measure knots.

Output: knots


Input:
Sentence1: Electricity Electricity is used to power vehicles by an electric motor.
Sentence2: Wind can be used to power Tesla automobiles.

Output: power


Input:
Sentence1: Electricity Electricity is used to power vehicles by an electric motor.
Sentence2: Wind can be used to power Tesla automobiles.

Output: vehicles


Input:
Sentence1: hydropower requires damming a river.
Sentence2: Hydropower requires beavers damming streams with fallen trees.

Output: damming


Input:
Sentence1: hydropower requires damming a river.
Sentence2: Hydropower requires beavers damming streams with fallen trees.

Output: hydropower


Input:
Sentence1: hydropower requires damming a river.
Sentence2: Hydropower requires beavers damming streams with fallen trees.

Output: requires


Input:
Sentence1: Most people can survive only a few days without water.
Sentence2: Water is everywhere H20.

Output: water


Input:
Sentence1: Reproduction is by eggs or the birthing of live young.
Sentence2: the fallopian tubes are used in birthing live young.

Output: birthing


Input:
Sentence1: Reproduction is by eggs or the birthing of live young.
Sentence2: the fallopian tubes are used in birthing live young.

Output: live


Input:
Sentence1: Reproduction is by eggs or the birthing of live young.
Sentence2: the fallopian tubes are used in birthing live young.

Output: young


Input:
Sentence1: Roosters and sparrows are birds.
Sentence2: roosters have relatively large brains and a high level of intelligence.

Output: Roosters


Input:
Sentence1: a cavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone.
Sentence2: When carbon dioxide is in water, it creates carbonic acid.

Output: acid


Input:
Sentence1: a cavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone.
Sentence2: When carbon dioxide is in water, it creates carbonic acid.

Output: carbonic


Input:
Sentence1: Bogs are composed of peat.
Sentence2: extreme heat and pressure in a swamp over a long period of time creates bogs.

Output: Bogs


Input:
Sentence1: if an object is made of a material then that object has the properties of that material.
Sentence2: when an item is made of a material then it has the properties of that material.

Output: made


Input:
Sentence1: if an object is made of a material then that object has the properties of that material.
Sentence2: when an item is made of a material then it has the properties of that material.

Output: material


Input:
Sentence1: if an object is made of a material then that object has the properties of that material.
Sentence2: when an item is made of a material then it has the properties of that material.

Output: object


Input:
Sentence1: if an object is made of a material then that object has the properties of that material.
Sentence2: when an item is made of a material then it has the properties of that material.

Output: properties


Input:
Sentence1: evaporation can be used for separating a solute from a solvent in a solution.
Sentence2: evaporation can be used to move a solute apart from a solvent in a solution.

Output: evaporation


Input:
Sentence1: evaporation can be used for separating a solute from a solvent in a solution.
Sentence2: evaporation can be used to move a solute apart from a solvent in a solution.

Output: solute


Input:
Sentence1: evaporation can be used for separating a solute from a solvent in a solution.
Sentence2: evaporation can be used to move a solute apart from a solvent in a solution.

Output: solution


Input:
Sentence1: evaporation can be used for separating a solute from a solvent in a solution.
Sentence2: evaporation can be used to move a solute apart from a solvent in a solution.

Output: solvent


Input:
Sentence1: evaporation can be used for separating a solute from a solvent in a solution.
Sentence2: evaporation can be used to move a solute apart from a solvent in a solution.

Output: used


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

Output: absorb


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

Output: body


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

Output: breaking


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

Output: can


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

Output: components


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

Output: down


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

Output: food


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

Output: into


Input:
Sentence1: the color of leaves on deciduous trees usually changes in the autumn season.
Sentence2: Common deciduous trees are the oak, elm and beech.

Output: deciduous


Input:
Sentence1: the color of leaves on deciduous trees usually changes in the autumn season.
Sentence2: Common deciduous trees are the oak, elm and beech.

Output: trees


Input:
Sentence1: Organic matter is the plant and animal residue in the soil at various stages of decomposition.
Sentence2: Plant and animal residue increases the amount of nutrients in the soil.

Output: and


Input:
Sentence1: Organic matter is the plant and animal residue in the soil at various stages of decomposition.
Sentence2: Plant and animal residue increases the amount of nutrients in the soil.

Output: plant


Input:
Sentence1: Organic matter is the plant and animal residue in the soil at various stages of decomposition.
Sentence2: Plant and animal residue increases the amount of nutrients in the soil.

Output: residue


Input:
Sentence1: Ribosomes are sites where proteins are made.
Sentence2: Ribosomes are assembled inside the nucleus.

Output: Ribosomes


Input:
Sentence1: eating food that contains pesticides can have a negative impact on humans.
Sentence2: eating food that contains DDT can have a negative impact on humans.

Output: can


Input:
Sentence1: eating food that contains pesticides can have a negative impact on humans.
Sentence2: eating food that contains DDT can have a negative impact on humans.

Output: contains


Input:
Sentence1: eating food that contains pesticides can have a negative impact on humans.
Sentence2: eating food that contains DDT can have a negative impact on humans.

Output: eating


Input:
Sentence1: eating food that contains pesticides can have a negative impact on humans.
Sentence2: eating food that contains DDT can have a negative impact on humans.

Output: food


Input:
Sentence1: eating food that contains pesticides can have a negative impact on humans.
Sentence2: eating food that contains DDT can have a negative impact on humans.

Output: humans


Input:
Sentence1: eating food that contains pesticides can have a negative impact on humans.
Sentence2: eating food that contains DDT can have a negative impact on humans.

Output: impact


Input:
Sentence1: eating food that contains pesticides can have a negative impact on humans.
Sentence2: eating food that contains DDT can have a negative impact on humans.

Output: negative


Input:
Sentence1: eating food that contains pesticides can have a negative impact on humans.
Sentence2: eating food that contains DDT can have a negative impact on humans.

Output: that


Input:
Sentence1: More carbon in the atmosphere means atmospheric warming.
Sentence2: Burning fossil fuels warms the atmosphere.

Output: atmospheric


Input:
Sentence1: More carbon in the atmosphere means atmospheric warming.
Sentence2: Burning fossil fuels warms the atmosphere.

Output: warming


Input:
Sentence1: Fractures heal when osteoclasts form new bone.
Sentence2: fractures need calcium to heal.

Output: Fractures


Input:
Sentence1: bacteria in soil convert atmospheric nitrogen into a form usable by plants.
Sentence2: Bacteria are single-celled organisms.

Output: bacteria


Input:
Sentence1: Macroevolution is evolution over geologic time above the level of the species.
Sentence2: Species are the different kinds of organisms.

Output: species


Input:
Sentence1: Infrequente urination or urine is dark yellow.
Sentence2: If pee leaves the body through a sphincter infrequently it will be dark yellow.

Output: Infrequente


Input:
Sentence1: Infrequente urination or urine is dark yellow.
Sentence2: If pee leaves the body through a sphincter infrequently it will be dark yellow.

Output: dark


Input:
Sentence1: Infrequente urination or urine is dark yellow.
Sentence2: If pee leaves the body through a sphincter infrequently it will be dark yellow.

Output: yellow


Input:
Sentence1: Soil erosion is a serious problem in production agriculture.
Sentence2: Wind can cause serious problems for production agriculture.

Output: agriculture


Input:
Sentence1: Soil erosion is a serious problem in production agriculture.
Sentence2: Wind can cause serious problems for production agriculture.

Output: problem


Input:
Sentence1: Soil erosion is a serious problem in production agriculture.
Sentence2: Wind can cause serious problems for production agriculture.

Output: production


Input:
Sentence1: Soil erosion is a serious problem in production agriculture.
Sentence2: Wind can cause serious problems for production agriculture.

Output: serious


Input:
Sentence1: Hurricanes grow strength from warm waters.
Sentence2: Hurricanes are worse over warm water and weaker over land.

Output: warm


Input:
Sentence1: Hurricanes grow strength from warm waters.
Sentence2: Hurricanes are worse over warm water and weaker over land.

Output: waters


Input:
Sentence1: Reflexology is based on theories that nerve pathways exist throughout the body.
Sentence2: Reflexology link the cerebellum with motor neutrons throughout the body.

Output: Reflexology


Input:
Sentence1: Reflexology is based on theories that nerve pathways exist throughout the body.
Sentence2: Reflexology link the cerebellum with motor neutrons throughout the body.

Output: body


Input:
Sentence1: Reflexology is based on theories that nerve pathways exist throughout the body.
Sentence2: Reflexology link the cerebellum with motor neutrons throughout the body.

Output: throughout


Input:
Sentence1: High barometric pressure indicates clear weather.
Sentence2: barometric pressure makes clear weather.

Output: barometric


Input:
Sentence1: If a single base is altered, a point mutation is generated.
Sentence2: a point mutation allows for both asexual and sexual reproduction.

Output: mutation


Input:
Sentence1: If a single base is altered, a point mutation is generated.
Sentence2: a point mutation allows for both asexual and sexual reproduction.

Output: point


Input:
Sentence1: Photosynthesis is the chemical change that produces food and oxygen in green plants.
Sentence2: green plants convert carbon dioxide, water, and solar energy into carbohydrates for themselves.

Output: green


Input:
Sentence1: Photosynthesis is the chemical change that produces food and oxygen in green plants.
Sentence2: green plants convert carbon dioxide, water, and solar energy into carbohydrates for themselves.

Output: plants


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: hormones produced at the base of the brain control other endocrine glands.

Output: control


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: hormones produced at the base of the brain control other endocrine glands.

Output: endocrine


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: hormones produced at the base of the brain control other endocrine glands.

Output: hormones


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: hormones produced at the base of the brain control other endocrine glands.

Output: other


Input:
Sentence1: Fingernails prevent injury by forming protective plates over the ends of the fingers.
Sentence2: Fingernail Examination Healthy fingernails are smooth and well shaped.

Output: Fingernails


Input:
Sentence1: Coral is the calcite shell of the coral animal.
Sentence2: animals with calcite shells form large colonies in shallow tropical water.

Output: animal


Input:
Sentence1: Coral is the calcite shell of the coral animal.
Sentence2: animals with calcite shells form large colonies in shallow tropical water.

Output: calcite


Input:
Sentence1: Coral is the calcite shell of the coral animal.
Sentence2: animals with calcite shells form large colonies in shallow tropical water.

Output: shell


Input:
Sentence1: Shivering occurs when many muscles contract a little bit all at once.
Sentence2: Honey bees generate heat by consuming honey and shivering their muscles.

Output: muscles


Input:
Sentence1: Ice is the solid form of water.
Sentence2: When ice is heated above its melting point that is melting.

Output: Ice


Input:
Sentence1: Deforestation happens when people cut down forests or when trees are burned.
Sentence2: creating wood-free paper does not require deforestation.

Output: Deforestation


Input:
Sentence1: beads of water are formed by water vapor condensing.
Sentence2: beads of h2o are formed by h2o vapor condensing.

Output: beads


Input:
Sentence1: beads of water are formed by water vapor condensing.
Sentence2: beads of h2o are formed by h2o vapor condensing.

Output: condensing


Input:
Sentence1: beads of water are formed by water vapor condensing.
Sentence2: beads of h2o are formed by h2o vapor condensing.

Output: formed


Input:
Sentence1: beads of water are formed by water vapor condensing.
Sentence2: beads of h2o are formed by h2o vapor condensing.

Output: vapor


Input:
Sentence1: when a metal rusts , that metal becomes orange on the surface.
Sentence2: Iron rusts in the presence of oxygen and water.

Output: rusts


Input:
Sentence1: Heating by direct heat is usually too hot.
Sentence2: Making an object hot causes thermal expansion.

Output: hot


Input:
Sentence1: During heavy rains, the systems often overflow into the nearest water body.
Sentence2: During heavy rains a flood can occur.

Output: During


Input:
Sentence1: During heavy rains, the systems often overflow into the nearest water body.
Sentence2: During heavy rains a flood can occur.

Output: heavy


Input:
Sentence1: During heavy rains, the systems often overflow into the nearest water body.
Sentence2: During heavy rains a flood can occur.

Output: rains


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: Food proteins are changed into energy or heat to be used or absorbed by the body.

Output: absorb


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: Food proteins are changed into energy or heat to be used or absorbed by the body.

Output: body


Input:
Sentence1: Absorption of nutrients occurs mainly in the small intestine.
Sentence2: Absorption of nutrients occurs mainly in a tubular organ.

Output: Absorption


Input:
Sentence1: Absorption of nutrients occurs mainly in the small intestine.
Sentence2: Absorption of nutrients occurs mainly in a tubular organ.

Output: mainly


Input:
Sentence1: Absorption of nutrients occurs mainly in the small intestine.
Sentence2: Absorption of nutrients occurs mainly in a tubular organ.

Output: nutrients


Input:
Sentence1: Absorption of nutrients occurs mainly in the small intestine.
Sentence2: Absorption of nutrients occurs mainly in a tubular organ.

Output: occurs


Input:
Sentence1: being distracted while driving can cause people to crash their car.
Sentence2: Children can cause drivers to crash.

Output: crash


Input:
Sentence1: Environments are animals homes.
Sentence2: natural disasters can cause animals to leave their homes.

Output: homes


Input:
Sentence1: Flowers are the sex organs of certain plants and hold the male and female gamete producing systems.
Sentence2: pollen consists of tiny grains that are held by flowers.

Output: Flowers


Input:
Sentence1: Flowers are the sex organs of certain plants and hold the male and female gamete producing systems.
Sentence2: pollen consists of tiny grains that are held by flowers.

Output: hold


Input:
Sentence1: Friction is a Force that opposes motion.
Sentence2: Forces that oppose motion cause the speed of an object to decrease.

Output: Force


Input:
Sentence1: Friction is a Force that opposes motion.
Sentence2: Forces that oppose motion cause the speed of an object to decrease.

Output: motion


Input:
Sentence1: Friction is a Force that opposes motion.
Sentence2: Forces that oppose motion cause the speed of an object to decrease.

Output: opposes


Input:
Sentence1: Plants release oxygen during the day but not during the night.
Sentence2: ferns release oxygen during the day but not during the night.

Output: day


Input:
Sentence1: Plants release oxygen during the day but not during the night.
Sentence2: ferns release oxygen during the day but not during the night.

Output: during


Input:
Sentence1: Plants release oxygen during the day but not during the night.
Sentence2: ferns release oxygen during the day but not during the night.

Output: night


Input:
Sentence1: Plants release oxygen during the day but not during the night.
Sentence2: ferns release oxygen during the day but not during the night.

Output: not


Input:
Sentence1: Plants release oxygen during the day but not during the night.
Sentence2: ferns release oxygen during the day but not during the night.

Output: oxygen


Input:
Sentence1: Plants release oxygen during the day but not during the night.
Sentence2: ferns release oxygen during the day but not during the night.

Output: release


Input:
Sentence1: Menstruation begins in puberty and ends with menopause .
Sentence2: Menopause occurs when something that begins in puberty stops occurring.

Output: begins


Input:
Sentence1: Menstruation begins in puberty and ends with menopause .
Sentence2: Menopause occurs when something that begins in puberty stops occurring.

Output: puberty


Input:
Sentence1: Root hairs are thin-walled extensions of the epidermal cells in roots.
Sentence2: Most plants grow epidermal cells down into the soil to absorb water and minerals.

Output: cells


Input:
Sentence1: Root hairs are thin-walled extensions of the epidermal cells in roots.
Sentence2: Most plants grow epidermal cells down into the soil to absorb water and minerals.

Output: epidermal


Input:
Sentence1: Viruses are usually considered to be nonliving.
Sentence2: Examples include influenza, rabies, HIV, and Herpes viruses.

Output: Viruses


Input:
Sentence1: Body functions are interrelated.
Sentence2: hormones are interrelated.

Output: interrelated


Input:
Sentence1: Chemical weathering is strongest in tropical environments.
Sentence2: moss is the strongest in tropical enviornments.

Output: environments


Input:
Sentence1: Chemical weathering is strongest in tropical environments.
Sentence2: moss is the strongest in tropical enviornments.

Output: tropical


Input:
Sentence1: blowing air into a whistle causes air to vibrate inside the whistle.
Sentence2: Sounds are vibrations in air.

Output: air


Input:
Sentence1: blowing air into a whistle causes air to vibrate inside the whistle.
Sentence2: Sounds are vibrations in air.

Output: vibrate


Input:
Sentence1: a calculator is used for adding.
Sentence2: From our Calculators page, click on Financial Calculator.

Output: calculator


Input:
Sentence1: Mammals breathe with the help of a diaphragm.
Sentence2: Mammals breathe by relaxing the lungs.

Output: Mammals


Input:
Sentence1: Mammals breathe with the help of a diaphragm.
Sentence2: Mammals breathe by relaxing the lungs.

Output: breathe


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

Output: Earth


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

Output: Moon


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

Output: causes


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

Output: gravitational


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

Output: oceans


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

Output: of


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

Output: on


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

Output: pull


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

Output: the


Input:
Sentence1: Flatworms Flatworms or Platyhelminthes include flukes, tapeworms, and turbellarians.
Sentence2: Tapeworms belong to the phylum Platyhelminthes.

Output: tapeworms


Input:
Sentence1: hurricanes convert heat energy into mechanical energy.
Sentence2: Mechanical energy can be changed to electrical energy.

Output: mechanical


Input:
Sentence1: Viruses are usually considered to be nonliving.
Sentence2: the simplest organisms known are usually considered to be nonliving.

Output: considered


Input:
Sentence1: Viruses are usually considered to be nonliving.
Sentence2: the simplest organisms known are usually considered to be nonliving.

Output: nonliving


Input:
Sentence1: Viruses are usually considered to be nonliving.
Sentence2: the simplest organisms known are usually considered to be nonliving.

Output: usually


Input:
Sentence1: Nearly all species of roundworms reproduce by laying eggs.
Sentence2: roundworms have offspring by laying eggs.

Output: eggs


Input:
Sentence1: Nearly all species of roundworms reproduce by laying eggs.
Sentence2: roundworms have offspring by laying eggs.

Output: laying


Input:
Sentence1: hunting requires seeing prey.
Sentence2: Owls see very well at night.

Output: seeing


Input:
Sentence1: Zooplankton are tiny animals that feed on phytoplankton.
Sentence2: Fish and other animals eat tiny animals that feed on phytoplankton.

Output: animals


Input:
Sentence1: Zooplankton are tiny animals that feed on phytoplankton.
Sentence2: Fish and other animals eat tiny animals that feed on phytoplankton.

Output: feed


Input:
Sentence1: Zooplankton are tiny animals that feed on phytoplankton.
Sentence2: Fish and other animals eat tiny animals that feed on phytoplankton.

Output: phytoplankton


Input:
Sentence1: Zooplankton are tiny animals that feed on phytoplankton.
Sentence2: Fish and other animals eat tiny animals that feed on phytoplankton.

Output: tiny


Input:
Sentence1: an organism requires energy for growth.
Sentence2: Growth is controlled by growth cones.

Output: growth


Input:
Sentence1: scales are used for protection by scaled animals.
Sentence2: Pangolins have an elongate and tapering body covered above with overlapping scales.

Output: scaled


Input:
Sentence1: scales are used for protection by scaled animals.
Sentence2: Pangolins have an elongate and tapering body covered above with overlapping scales.

Output: scales


Input:
Sentence1: Playing is one way mammals and other animals learn how to behave.
Sentence2: Playing is one way sea lions learn how to behave.

Output: Playing


Input:
Sentence1: Playing is one way mammals and other animals learn how to behave.
Sentence2: Playing is one way sea lions learn how to behave.

Output: behave


Input:
Sentence1: Playing is one way mammals and other animals learn how to behave.
Sentence2: Playing is one way sea lions learn how to behave.

Output: how


Input:
Sentence1: Playing is one way mammals and other animals learn how to behave.
Sentence2: Playing is one way sea lions learn how to behave.

Output: learn


Input:
Sentence1: Playing is one way mammals and other animals learn how to behave.
Sentence2: Playing is one way sea lions learn how to behave.

Output: one


Input:
Sentence1: Playing is one way mammals and other animals learn how to behave.
Sentence2: Playing is one way sea lions learn how to behave.

Output: way


Input:
Sentence1: All fish are heterotrophic.
Sentence2: All fish are animals.

Output: fish


Input:
Sentence1: predicting weather requires studying weater.
Sentence2: meteorologists require studying weater.

Output: requires


Input:
Sentence1: predicting weather requires studying weater.
Sentence2: meteorologists require studying weater.

Output: studying


Input:
Sentence1: predicting weather requires studying weater.
Sentence2: meteorologists require studying weater.

Output: weater


Input:
Sentence1: Mutation creates new genetic variation in a gene pool.
Sentence2: Mutation creates biodiversity.

Output: Mutation


Input:
Sentence1: Mutation creates new genetic variation in a gene pool.
Sentence2: Mutation creates biodiversity.

Output: creates


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Cars and factories burn fossil fuels, releasing nitrogen oxide gases and reactive organic compounds.

Output: fossil


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Cars and factories burn fossil fuels, releasing nitrogen oxide gases and reactive organic compounds.

Output: fuels


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Cars and factories burn fossil fuels, releasing nitrogen oxide gases and reactive organic compounds.

Output: gases


Input:
Sentence1: Crocodiles and gharials are two of the 446 reptile species found.
Sentence2: crocodiles can go several weeks between meals.

Output: Crocodiles


Input:
Sentence1: Cells cannot survive without oxygen.
Sentence2: Life is responsible for oxygen in the atmosphere.

Output: oxygen


Input:
Sentence1: Over stimulation can cause sleep problems.
Sentence2: Too much caffeine leads to sleep problems.

Output: problems


Input:
Sentence1: Over stimulation can cause sleep problems.
Sentence2: Too much caffeine leads to sleep problems.

Output: sleep


Input:
Sentence1: Ravens are big, black birds.
Sentence2: Ravens absorb all visible light.

Output: Ravens


Input:
Sentence1: Refraction Refraction is the bending of light rays.
Sentence2: glass cause the bending  of light.

Output: bending


Input:
Sentence1: if weather is stormy then there is a greater chance of rain.
Sentence2: Rain is a wonderful thing, it helps plants grow.

Output: rain


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: An image in a mirror is formed by reflecting electromagnetic energy.

Output: a


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: An image in a mirror is formed by reflecting electromagnetic energy.

Output: an


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: An image in a mirror is formed by reflecting electromagnetic energy.

Output: by


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: An image in a mirror is formed by reflecting electromagnetic energy.

Output: formed


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: An image in a mirror is formed by reflecting electromagnetic energy.

Output: image


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: An image in a mirror is formed by reflecting electromagnetic energy.

Output: in


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: An image in a mirror is formed by reflecting electromagnetic energy.

Output: is


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: An image in a mirror is formed by reflecting electromagnetic energy.

Output: mirror


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: An image in a mirror is formed by reflecting electromagnetic energy.

Output: reflecting


Input:
Sentence1: Mollusks are invertebrates such as the common snail.
Sentence2: clams are mollusks.

Output: Mollusks


Input:
Sentence1: Humans have collected and grown mushrooms for food for thousands of years.
Sentence2: Mushrooms are a fungus and have no chlorophyll.

Output: mushrooms


Input:
Sentence1: Producers are organisms that produce food for themselves and other organisms.
Sentence2: parasites obtain their food from producers that produces food for themselves and others.

Output: Producers


Input:
Sentence1: Producers are organisms that produce food for themselves and other organisms.
Sentence2: parasites obtain their food from producers that produces food for themselves and others.

Output: food


Input:
Sentence1: Producers are organisms that produce food for themselves and other organisms.
Sentence2: parasites obtain their food from producers that produces food for themselves and others.

Output: organisms


Input:
Sentence1: Producers are organisms that produce food for themselves and other organisms.
Sentence2: parasites obtain their food from producers that produces food for themselves and others.

Output: produce


Input:
Sentence1: Producers are organisms that produce food for themselves and other organisms.
Sentence2: parasites obtain their food from producers that produces food for themselves and others.

Output: themselves


Input:
Sentence1: wind and rain cause erosion.
Sentence2: water causes erosion most effectively.

Output: erosion


Input:
Sentence1: Algae play significant roles as producers in aquatic ecosystems.
Sentence2: An ecosystem includes the organisms and their habitat.

Output: ecosystems


Input:
Sentence1: Subtraction can also be thought of as adding the opposite.
Sentence2: a calculator is used for subtracting.

Output: Subtraction


Input:
Sentence1: Plants detect and respond to the daily cycle of light and darkness.
Sentence2: All plants are of bush type.

Output: Plants


Input:
Sentence1: a calculator is used for adding.
Sentence2: A calculator is used for getting sums.

Output: calculator


Input:
Sentence1: a calculator is used for adding.
Sentence2: A calculator is used for getting sums.

Output: used


Input:
Sentence1: All frogs are amphibians.
Sentence2: Frogs breathe with gills as larvae and with lungs as adults.

Output: frogs


Input:
Sentence1: Cell division is by mitosis .
Sentence2: mitosis is required by division.

Output: mitosis


Input:
Sentence1: Plants are Earth's producers.
Sentence2: A greenhouse is used to protect producers by keeping them warm.

Output: producers


Input:
Sentence1: Haploid cells multiply asexually through mitosis.
Sentence2: Fungi spores can multiply through mitosis.

Output: mitosis


Input:
Sentence1: Haploid cells multiply asexually through mitosis.
Sentence2: Fungi spores can multiply through mitosis.

Output: multiply


Input:
Sentence1: Mutation creates new genetic variation in a gene pool.
Sentence2: Mutation creates new genetic variation in adult genotypes.

Output: Mutation


Input:
Sentence1: Mutation creates new genetic variation in a gene pool.
Sentence2: Mutation creates new genetic variation in adult genotypes.

Output: creates


Input:
Sentence1: Mutation creates new genetic variation in a gene pool.
Sentence2: Mutation creates new genetic variation in adult genotypes.

Output: genetic


Input:
Sentence1: Mutation creates new genetic variation in a gene pool.
Sentence2: Mutation creates new genetic variation in adult genotypes.

Output: new


Input:
Sentence1: Mutation creates new genetic variation in a gene pool.
Sentence2: Mutation creates new genetic variation in adult genotypes.

Output: variation


Input:
Sentence1: the looseness of soil increases the amount of oxygen in that soil.
Sentence2: Oxygen, as you know, is a gas.

Output: oxygen


Input:
Sentence1: Urine leaves the body through a sphincter in the process of urination.
Sentence2: urine leaves the body upon relaxation of a muscle.

Output: Urine


Input:
Sentence1: Urine leaves the body through a sphincter in the process of urination.
Sentence2: urine leaves the body upon relaxation of a muscle.

Output: body


Input:
Sentence1: Urine leaves the body through a sphincter in the process of urination.
Sentence2: urine leaves the body upon relaxation of a muscle.

Output: leaves


Input:
Sentence1: Viruses are so small that they can be seen only with an electron microscope.
Sentence2: Once the camera is tuned with the microscope, the focusing depends on the microscope lens.

Output: microscope


Input:
Sentence1: Loss of ozone has created an ozone hole over Antarctica.
Sentence2: Ozone and CFCs are greenhouse gases.

Output: ozone


Input:
Sentence1: Osteoporosis is a disease in which osteoclasts are more active than osteoblasts.
Sentence2: thinning and weakening of bone occurs when osteoclasts are more active than osteoblasts.

Output: active


Input:
Sentence1: Osteoporosis is a disease in which osteoclasts are more active than osteoblasts.
Sentence2: thinning and weakening of bone occurs when osteoclasts are more active than osteoblasts.

Output: more


Input:
Sentence1: Osteoporosis is a disease in which osteoclasts are more active than osteoblasts.
Sentence2: thinning and weakening of bone occurs when osteoclasts are more active than osteoblasts.

Output: osteoblasts


Input:
Sentence1: Osteoporosis is a disease in which osteoclasts are more active than osteoblasts.
Sentence2: thinning and weakening of bone occurs when osteoclasts are more active than osteoblasts.

Output: osteoclasts


Input:
Sentence1: a scale is used for measuring weight.
Sentence2: Dimensions are in inches, weights in pounds.

Output: weight


Input:
Sentence1: lakes are formed by precipitation and runoff.
Sentence2: Precipitation and runoff can create large bodies of inland water.

Output: precipitation


Input:
Sentence1: lakes are formed by precipitation and runoff.
Sentence2: Precipitation and runoff can create large bodies of inland water.

Output: runoff


Input:
Sentence1: More trees are cut for firewood and for homes.
Sentence2: using firewood for homes allows sunlight to become available to the surrounding plants.

Output: firewood


Input:
Sentence1: More trees are cut for firewood and for homes.
Sentence2: using firewood for homes allows sunlight to become available to the surrounding plants.

Output: homes


Input:
Sentence1: If a soil has high permeability, water flows through the soil more freely and may cause chemicals to leach.
Sentence2: if soil is permeable it may cause chemicals to leach.

Output: cause


Input:
Sentence1: If a soil has high permeability, water flows through the soil more freely and may cause chemicals to leach.
Sentence2: if soil is permeable it may cause chemicals to leach.

Output: chemicals


Input:
Sentence1: If a soil has high permeability, water flows through the soil more freely and may cause chemicals to leach.
Sentence2: if soil is permeable it may cause chemicals to leach.

Output: leach


Input:
Sentence1: If a soil has high permeability, water flows through the soil more freely and may cause chemicals to leach.
Sentence2: if soil is permeable it may cause chemicals to leach.

Output: may


Input:
Sentence1: If a soil has high permeability, water flows through the soil more freely and may cause chemicals to leach.
Sentence2: if soil is permeable it may cause chemicals to leach.

Output: to


Input:
Sentence1: Hermit crabs use the shells of dead snails for homes.
Sentence2: Hermit crabs have unusual homes.

Output: Hermit


Input:
Sentence1: Hermit crabs use the shells of dead snails for homes.
Sentence2: Hermit crabs have unusual homes.

Output: crabs


Input:
Sentence1: Antibiotics Suspected bacterial infections are treated with antibiotics.
Sentence2: Bacterial infections are not caused by viruses.

Output: bacterial


Input:
Sentence1: Antibiotics Suspected bacterial infections are treated with antibiotics.
Sentence2: Bacterial infections are not caused by viruses.

Output: infections


Input:
Sentence1: Cells lacking membrane-bound organelles are prokaryotic, and bacteria are prokaryotes.
Sentence2: Bacteria lack ribosomes.

Output: bacteria


Input:
Sentence1: Cells lacking membrane-bound organelles are prokaryotic, and bacteria are prokaryotes.
Sentence2: Bacteria lack ribosomes.

Output: lacking


Input:
Sentence1: an electrical insulator slows the transfer of electricity.
Sentence2: Plastic slows the transfer of electricity.

Output: electricity


Input:
Sentence1: an electrical insulator slows the transfer of electricity.
Sentence2: Plastic slows the transfer of electricity.

Output: of


Input:
Sentence1: an electrical insulator slows the transfer of electricity.
Sentence2: Plastic slows the transfer of electricity.

Output: slows


Input:
Sentence1: an electrical insulator slows the transfer of electricity.
Sentence2: Plastic slows the transfer of electricity.

Output: the


Input:
Sentence1: an electrical insulator slows the transfer of electricity.
Sentence2: Plastic slows the transfer of electricity.

Output: transfer


Input:
Sentence1: Moose courtship begins in autumn.
Sentence2: moose begin behavior intended to attract a mate in autumn.

Output: Moose


Input:
Sentence1: Moose courtship begins in autumn.
Sentence2: moose begin behavior intended to attract a mate in autumn.

Output: autumn


Input:
Sentence1: Caffeine is an example of a psychoactive drug.
Sentence2: caffeine is an addictive drug.

Output: Caffeine


Input:
Sentence1: if a neutral atom loses an electron then an atom with a negative charge will be formed.
Sentence2: Atoms are the smallest units of elements.

Output: atom


Input:
Sentence1: when a gas in an open container evaporates , that gas spreads out into the air.
Sentence2: When a gas in an open container spreads out, fumes present a danger.

Output: container


Input:
Sentence1: when a gas in an open container evaporates , that gas spreads out into the air.
Sentence2: When a gas in an open container spreads out, fumes present a danger.

Output: gas


Input:
Sentence1: when a gas in an open container evaporates , that gas spreads out into the air.
Sentence2: When a gas in an open container spreads out, fumes present a danger.

Output: open


Input:
Sentence1: when a gas in an open container evaporates , that gas spreads out into the air.
Sentence2: When a gas in an open container spreads out, fumes present a danger.

Output: out


Input:
Sentence1: when a gas in an open container evaporates , that gas spreads out into the air.
Sentence2: When a gas in an open container spreads out, fumes present a danger.

Output: spreads


Input:
Sentence1: when a gas in an open container evaporates , that gas spreads out into the air.
Sentence2: When a gas in an open container spreads out, fumes present a danger.

Output: when


Input:
Sentence1: rest has a positive impact on a health.
Sentence2: rest is essential to quality of life.

Output: rest


Input:
Sentence1: Carbon is the fuel source.
Sentence2: A fuel source may be stored in sedimentary rock for millions of years.

Output: fuel


Input:
Sentence1: Carbon is the fuel source.
Sentence2: A fuel source may be stored in sedimentary rock for millions of years.

Output: source


Input:
Sentence1: Sperm had to swim from male to female reproductive organs for fertilization.
Sentence2: If fertilized, the egg implants itself in the uterus.

Output: fertilization


Input:
Sentence1: heavy rains cause flooding.
Sentence2: Flooding is problematic because it causes erosion problems.

Output: flooding


Input:
Sentence1: exercise increases a body 's strength.
Sentence2: Exercise promotes the formation of more mitochondria.

Output: exercise


Input:
Sentence1: Slime molds are fungus-like protists commonly found on rotting logs and compost.
Sentence2: An obvious sign of mature logs is the appearance of mushrooms.

Output: logs


Input:
Sentence1: DNA is made up of nucleotides.
Sentence2: Mutations can change the structure of DNA.

Output: DNA


Input:
Sentence1: a ship is used for moving people across bodies of water.
Sentence2: moving people across bodies of waters requires avoiding hurricanes.

Output: across


Input:
Sentence1: a ship is used for moving people across bodies of water.
Sentence2: moving people across bodies of waters requires avoiding hurricanes.

Output: bodies


Input:
Sentence1: a ship is used for moving people across bodies of water.
Sentence2: moving people across bodies of waters requires avoiding hurricanes.

Output: moving


Input:
Sentence1: a ship is used for moving people across bodies of water.
Sentence2: moving people across bodies of waters requires avoiding hurricanes.

Output: people


Input:
Sentence1: a ship is used for moving people across bodies of water.
Sentence2: moving people across bodies of waters requires avoiding hurricanes.

Output: water


Input:
Sentence1: Sporophyte possesses stoma.
Sentence2: Flowers form on the stoma.

Output: stoma


Input:
Sentence1: a plant requires sunlight for photosynthesis.
Sentence2: For plants to photosynthesize, they require electromagnetic energy.

Output: photosynthesis


Input:
Sentence1: a plant requires sunlight for photosynthesis.
Sentence2: For plants to photosynthesize, they require electromagnetic energy.

Output: plant


Input:
Sentence1: Damage to the nephrons can be caused by conditions such as diabetes and high blood pressure .
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..

Output: Damage


Input:
Sentence1: Damage to the nephrons can be caused by conditions such as diabetes and high blood pressure .
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..

Output: be


Input:
Sentence1: Damage to the nephrons can be caused by conditions such as diabetes and high blood pressure .
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..

Output: blood


Input:
Sentence1: Damage to the nephrons can be caused by conditions such as diabetes and high blood pressure .
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..

Output: by


Input:
Sentence1: Damage to the nephrons can be caused by conditions such as diabetes and high blood pressure .
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..

Output: can


Input:
Sentence1: Damage to the nephrons can be caused by conditions such as diabetes and high blood pressure .
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..

Output: caused


Input:
Sentence1: Damage to the nephrons can be caused by conditions such as diabetes and high blood pressure .
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..

Output: high


Input:
Sentence1: Damage to the nephrons can be caused by conditions such as diabetes and high blood pressure .
Sentence2: Damage to the structural units of the kidneys can be caused by  high blood pressure ..

Output: pressure


Input:
Sentence1: heavy rains cause flooding.
Sentence2: Heavy rains cause much of the hurricane damage.

Output: heavy


Input:
Sentence1: heavy rains cause flooding.
Sentence2: Heavy rains cause much of the hurricane damage.

Output: rains


Input:
Sentence1: Insects can spread disease and destroy crops.
Sentence2: insects are detrimental to food.

Output: Insects


Input:
Sentence1: if soil is permeable then water easily flows through that soil.
Sentence2: The increase in permeability is caused by the formation and expansion of ice in the soil.

Output: permeable


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

Output: nutrients


Input:
Sentence1: Some viruses live in a dormant state inside the body.
Sentence2: chickenpox can stay dormant in the brain.

Output: dormant


Input:
Sentence1: Gene cloning is the process of isolating and making copies of a gene.
Sentence2: genes are isolated in bacteria.

Output: Gene


Input:
Sentence1: Plants that shed their leaves seasonally each year are called deciduous plants.
Sentence2: vines shed their leaves seasonally each year.

Output: each


Input:
Sentence1: Plants that shed their leaves seasonally each year are called deciduous plants.
Sentence2: vines shed their leaves seasonally each year.

Output: seasonally


Input:
Sentence1: Plants that shed their leaves seasonally each year are called deciduous plants.
Sentence2: vines shed their leaves seasonally each year.

Output: shed


Input:
Sentence1: Plants that shed their leaves seasonally each year are called deciduous plants.
Sentence2: vines shed their leaves seasonally each year.

Output: year


Input:
Sentence1: using renewable resources to generate power reduces greenhouse gases.
Sentence2: Wind is a renewable energy source.

Output: renewable


Input:
Sentence1: using renewable resources to generate power reduces greenhouse gases.
Sentence2: Wind is a renewable energy source.

Output: resources


Input:
Sentence1: when an electrical circuit is working properly , electrical current runs through that circuit.
Sentence2: When a circuit is working properly, a charge in motion runs through that circuit.

Output: circuit


Input:
Sentence1: when an electrical circuit is working properly , electrical current runs through that circuit.
Sentence2: When a circuit is working properly, a charge in motion runs through that circuit.

Output: properly


Input:
Sentence1: when an electrical circuit is working properly , electrical current runs through that circuit.
Sentence2: When a circuit is working properly, a charge in motion runs through that circuit.

Output: runs


Input:
Sentence1: when an electrical circuit is working properly , electrical current runs through that circuit.
Sentence2: When a circuit is working properly, a charge in motion runs through that circuit.

Output: through


Input:
Sentence1: when an electrical circuit is working properly , electrical current runs through that circuit.
Sentence2: When a circuit is working properly, a charge in motion runs through that circuit.

Output: working


Input:
Sentence1: the sun causes water to evaporate more quickly by adding heat.
Sentence2: Ice crystals resist evaporation.

Output: evaporate


Input:
Sentence1: Most fungi get organic compounds from dead organisms.
Sentence2: Most fungi get organic compounds from decomposers.

Output: Most


Input:
Sentence1: Most fungi get organic compounds from dead organisms.
Sentence2: Most fungi get organic compounds from decomposers.

Output: compounds


Input:
Sentence1: Most fungi get organic compounds from dead organisms.
Sentence2: Most fungi get organic compounds from decomposers.

Output: fungi


Input:
Sentence1: Most fungi get organic compounds from dead organisms.
Sentence2: Most fungi get organic compounds from decomposers.

Output: get


Input:
Sentence1: Most fungi get organic compounds from dead organisms.
Sentence2: Most fungi get organic compounds from decomposers.

Output: organic


Input:
Sentence1: Life depends to a large degree on the temperature of the planet, and temperature depends in part on the distance of the planet from the sun.
Sentence2: Life cannot be sustained above a certain temperature.

Output: temperature


Input:
Sentence1: Kinetic energy is energy in motion.
Sentence2: An animal requires kinetic to move.

Output: Kinetic


Input:
Sentence1: Physiology is the study of the function of living things.
Sentence2: Physiology studies cells.

Output: Physiology


Input:
Sentence1: Physiology is the study of the function of living things.
Sentence2: Physiology studies cells.

Output: study


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: Hunting often at night, caracals depend on stealth to catch prey.

Output: catching


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: Hunting often at night, caracals depend on stealth to catch prey.

Output: prey


Input:
Sentence1: an earthquake causes the ground to shake.
Sentence2: A number of buildings in Istanbul also were damaged in the earthquake.

Output: earthquake


Input:
Sentence1: Electrical energy is also energy.
Sentence2: energy is used for heating buildings.

Output: energy


Input:
Sentence1: Chakras are associated with the endocrine glands.
Sentence2: most pituitary hormones control other Chakras.

Output: Chakras


Input:
Sentence1: Ribosomes are small organelles where proteins are made.
Sentence2: Also, the nontranslating ribosomes competed with the translating ribosomes.

Output: Ribosomes


Input:
Sentence1: Graphite for writing pencils is composed of carbon.
Sentence2: carbon is a component of pencil lead.

Output: carbon


Input:
Sentence1: Graphite for writing pencils is composed of carbon.
Sentence2: carbon is a component of pencil lead.

Output: composed


Input:
Sentence1: intense heat has a negative impact on an organism.
Sentence2: Exercise, fever, and heat cause the body's temperature to rise.

Output: organism


Input:
Sentence1: Lengths A length is a measure of distance.
Sentence2: a ruler is used for measuring  distance.

Output: distance


Input:
Sentence1: Marine species live mainly in shallow coastal waters.
Sentence2: Marine Science Marine science is the study of the sea.

Output: Marine


Input:
Sentence1: if an animal sweats then that animal 's bodily water decreases.
Sentence2: if an animal sweats it can cause Dehydration.

Output: an


Input:
Sentence1: if an animal sweats then that animal 's bodily water decreases.
Sentence2: if an animal sweats it can cause Dehydration.

Output: animal


Input:
Sentence1: if an animal sweats then that animal 's bodily water decreases.
Sentence2: if an animal sweats it can cause Dehydration.

Output: if


Input:
Sentence1: if an animal sweats then that animal 's bodily water decreases.
Sentence2: if an animal sweats it can cause Dehydration.

Output: sweats


Input:
Sentence1: Hormones are chemical messengers in the body.
Sentence2: Most chemical messengers in the body are regulated by feedback mechanisms.

Output: body


Input:
Sentence1: Hormones are chemical messengers in the body.
Sentence2: Most chemical messengers in the body are regulated by feedback mechanisms.

Output: chemical


Input:
Sentence1: Hormones are chemical messengers in the body.
Sentence2: Most chemical messengers in the body are regulated by feedback mechanisms.

Output: messengers


Input:
Sentence1: Sponges are filter feeders.
Sentence2: Sponges eat krill and plankton.

Output: Sponges


Input:
Sentence1: If a planet is too close to a star, then it will be too hot for liquid water to exist.
Sentence2: If a planet is too close to a star, that planet cannot sustain life.

Output: close


Input:
Sentence1: If a planet is too close to a star, then it will be too hot for liquid water to exist.
Sentence2: If a planet is too close to a star, that planet cannot sustain life.

Output: planet


Input:
Sentence1: If a planet is too close to a star, then it will be too hot for liquid water to exist.
Sentence2: If a planet is too close to a star, that planet cannot sustain life.

Output: star


Input:
Sentence1: If a planet is too close to a star, then it will be too hot for liquid water to exist.
Sentence2: If a planet is too close to a star, that planet cannot sustain life.

Output: too


Input:
Sentence1: Viruses are not affected by antibiotics.
Sentence2: Some smallpox viruses are maintained in laboratories.

Output: Viruses


Input:
Sentence1: vein deposits of gold and silver are formed by igneous intrusion.
Sentence2: vein deposits of gold and silver are formed in higher elevations.

Output: deposits


Input:
Sentence1: vein deposits of gold and silver are formed by igneous intrusion.
Sentence2: vein deposits of gold and silver are formed in higher elevations.

Output: formed


Input:
Sentence1: vein deposits of gold and silver are formed by igneous intrusion.
Sentence2: vein deposits of gold and silver are formed in higher elevations.

Output: gold


Input:
Sentence1: vein deposits of gold and silver are formed by igneous intrusion.
Sentence2: vein deposits of gold and silver are formed in higher elevations.

Output: silver


Input:
Sentence1: vein deposits of gold and silver are formed by igneous intrusion.
Sentence2: vein deposits of gold and silver are formed in higher elevations.

Output: vein


Input:
Sentence1: disease has a negative impact on an organism.
Sentence2: Disease has a negtive impact on plants and animals.

Output: disease


Input:
Sentence1: disease has a negative impact on an organism.
Sentence2: Disease has a negtive impact on plants and animals.

Output: impact


Input:
Sentence1: disease has a negative impact on an organism.
Sentence2: Disease has a negtive impact on plants and animals.

Output: negative


Input:
Sentence1: Menopause occurs when menstruation stops occurring, usually in middle adulthood.
Sentence2: Hot flashes are the classic sign of menopause and peri-menopause.

Output: Menopause


Input:
Sentence1: Blood moves slowly and with very little pressure in veins.
Sentence2: pressure is lowest in veins.

Output: veins


Input:
Sentence1: nuclear reactions in stars causes stars to produce light.
Sentence2: Earth is one of the planets orbiting a star called the Sun.

Output: stars


Input:
Sentence1: a plant requires sunlight for photosynthesis.
Sentence2: Plants require nuclear reactions to grow.

Output: plant


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: Acids are harmful to tissue.

Output: harmful


Input:
Sentence1: Grasses supply most of the food consumed by people worldwide.
Sentence2: wheat is a plant that is consumed by people worldwide.

Output: consumed


Input:
Sentence1: Grasses supply most of the food consumed by people worldwide.
Sentence2: wheat is a plant that is consumed by people worldwide.

Output: people


Input:
Sentence1: Grasses supply most of the food consumed by people worldwide.
Sentence2: wheat is a plant that is consumed by people worldwide.

Output: worldwide


Input:
Sentence1: Low latitudes, for instance, receive more heat during the day than stations at high latitudes.
Sentence2: Differences in solar warming with latitude during the day on the Earth's surface influence global wind patterns.

Output: day


Input:
Sentence1: Low latitudes, for instance, receive more heat during the day than stations at high latitudes.
Sentence2: Differences in solar warming with latitude during the day on the Earth's surface influence global wind patterns.

Output: latitudes


Input:
Sentence1: Before puberty, adolescents experience their highest nutritional demand since infancy.
Sentence2: Before beginning sexual maturity, adolescents experience their highest nutritional demand since infancy.

Output: adolescents


Input:
Sentence1: Before puberty, adolescents experience their highest nutritional demand since infancy.
Sentence2: Before beginning sexual maturity, adolescents experience their highest nutritional demand since infancy.

Output: demand


Input:
Sentence1: Before puberty, adolescents experience their highest nutritional demand since infancy.
Sentence2: Before beginning sexual maturity, adolescents experience their highest nutritional demand since infancy.

Output: experience


Input:
Sentence1: Before puberty, adolescents experience their highest nutritional demand since infancy.
Sentence2: Before beginning sexual maturity, adolescents experience their highest nutritional demand since infancy.

Output: highest


Input:
Sentence1: Before puberty, adolescents experience their highest nutritional demand since infancy.
Sentence2: Before beginning sexual maturity, adolescents experience their highest nutritional demand since infancy.

Output: infancy


Input:
Sentence1: Before puberty, adolescents experience their highest nutritional demand since infancy.
Sentence2: Before beginning sexual maturity, adolescents experience their highest nutritional demand since infancy.

Output: nutritional


Input:
Sentence1: Some animals sweat, some pant, some lick.
Sentence2: An animal panting has decreased body water.

Output: animals


Input:
Sentence1: Some animals sweat, some pant, some lick.
Sentence2: An animal panting has decreased body water.

Output: pant


Input:
Sentence1: an animal requires stamina to succeed at physical activities.
Sentence2: animal males are more energetic than females.

Output: animal


Input:
Sentence1: Sex hormones are chemical messengers that control sexual development and reproduction.
Sentence2: Sex hormones are chemical messengers in male and female bodies.

Output: Sex


Input:
Sentence1: Sex hormones are chemical messengers that control sexual development and reproduction.
Sentence2: Sex hormones are chemical messengers in male and female bodies.

Output: are


Input:
Sentence1: Sex hormones are chemical messengers that control sexual development and reproduction.
Sentence2: Sex hormones are chemical messengers in male and female bodies.

Output: chemical


Input:
Sentence1: Sex hormones are chemical messengers that control sexual development and reproduction.
Sentence2: Sex hormones are chemical messengers in male and female bodies.

Output: hormones


Input:
Sentence1: Sex hormones are chemical messengers that control sexual development and reproduction.
Sentence2: Sex hormones are chemical messengers in male and female bodies.

Output: messengers


Input:
Sentence1: Animals can communicate with sounds, chemicals, or visual cues.
Sentence2: Monkeys communicate with sounds, chemicals or visual cues.

Output: chemicals


Input:
Sentence1: Animals can communicate with sounds, chemicals, or visual cues.
Sentence2: Monkeys communicate with sounds, chemicals or visual cues.

Output: communicate


Input:
Sentence1: Animals can communicate with sounds, chemicals, or visual cues.
Sentence2: Monkeys communicate with sounds, chemicals or visual cues.

Output: cues


Input:
Sentence1: Animals can communicate with sounds, chemicals, or visual cues.
Sentence2: Monkeys communicate with sounds, chemicals or visual cues.

Output: sounds


Input:
Sentence1: Animals can communicate with sounds, chemicals, or visual cues.
Sentence2: Monkeys communicate with sounds, chemicals or visual cues.

Output: visual


Input:
Sentence1: For that, the player needs lumberjacks to cut down the trees.
Sentence2: Creating wood-free paper does not require lumberjacks.

Output: lumberjacks


Input:
Sentence1: Ovulation is the release of an egg from an ovary.
Sentence2: The release of an egg during ovulation is used in reproduction.

Output: Ovulation


Input:
Sentence1: Ovulation is the release of an egg from an ovary.
Sentence2: The release of an egg during ovulation is used in reproduction.

Output: egg


Input:
Sentence1: Ovulation is the release of an egg from an ovary.
Sentence2: The release of an egg during ovulation is used in reproduction.

Output: release


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: friction is used to stop a vehicle on an incline.

Output: friction


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: friction is used to stop a vehicle on an incline.

Output: stopping


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: friction is used to stop a vehicle on an incline.

Output: used


Input:
Sentence1: All precipitation amounts are in inches.
Sentence2: moisture is measured in inches.

Output: inches


Input:
Sentence1: a car engine usually converts gasoline into motion and heat through combustion.
Sentence2: Gasoline vapors are highly combustible.

Output: gasoline


Input:
Sentence1: Leaves are covered with a waxy layer, the cuticle , which prevents water loss.
Sentence2: Leaves are covered with a cuticle which are used to store water in plants.

Output: Leaves


Input:
Sentence1: Leaves are covered with a waxy layer, the cuticle , which prevents water loss.
Sentence2: Leaves are covered with a cuticle which are used to store water in plants.

Output: covered


Input:
Sentence1: Leaves are covered with a waxy layer, the cuticle , which prevents water loss.
Sentence2: Leaves are covered with a cuticle which are used to store water in plants.

Output: cuticle


Input:
Sentence1: Leaves are covered with a waxy layer, the cuticle , which prevents water loss.
Sentence2: Leaves are covered with a cuticle which are used to store water in plants.

Output: which


Input:
Sentence1: faulting of rock in Earth 's crust causes earthquakes.
Sentence2: Stress in the Earth's crust causes earthquakes.

Output: Earth


Input:
Sentence1: faulting of rock in Earth 's crust causes earthquakes.
Sentence2: Stress in the Earth's crust causes earthquakes.

Output: causes


Input:
Sentence1: faulting of rock in Earth 's crust causes earthquakes.
Sentence2: Stress in the Earth's crust causes earthquakes.

Output: crust


Input:
Sentence1: faulting of rock in Earth 's crust causes earthquakes.
Sentence2: Stress in the Earth's crust causes earthquakes.

Output: earthquakes


Input:
Sentence1: fossil fuels are formed from dead organisms over time.
Sentence2: Burning dead organisms can create energy.

Output: dead


Input:
Sentence1: fossil fuels are formed from dead organisms over time.
Sentence2: Burning dead organisms can create energy.

Output: organisms


Input:
Sentence1: If there is no movement friction is zero.
Sentence2: Movement causes the temperature of an object to increase.

Output: movement


Input:
Sentence1: For a scientist, water is H2O whether from the Ganga or a tap.
Sentence2: treating H2O is used to remove harmful substances before drinking.

Output: H2O


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

Output: energy


Input:
Sentence1: Economy is affected by population size and density.
Sentence2: economy is affected by the average number of individuals per unit of area or volume.

Output: Economy


Input:
Sentence1: Economy is affected by population size and density.
Sentence2: economy is affected by the average number of individuals per unit of area or volume.

Output: affected


Input:
Sentence1: Algae and many other aquatic plants are eaten by a variety of invertebrates and fish.
Sentence2: Certain aquatic organisms eaten by fish have varied life cycles.

Output: aquatic


Input:
Sentence1: Algae and many other aquatic plants are eaten by a variety of invertebrates and fish.
Sentence2: Certain aquatic organisms eaten by fish have varied life cycles.

Output: eaten


Input:
Sentence1: Algae and many other aquatic plants are eaten by a variety of invertebrates and fish.
Sentence2: Certain aquatic organisms eaten by fish have varied life cycles.

Output: fish


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

Output: Cnidarians