Input:
Sentence1: poison causes harm to living things.
Sentence2: Most disinfectants contain solvents that can harm living things.

Output: harm


Input:
Sentence1: poison causes harm to living things.
Sentence2: Most disinfectants contain solvents that can harm living things.

Output: living


Input:
Sentence1: poison causes harm to living things.
Sentence2: Most disinfectants contain solvents that can harm living things.

Output: things


Input:
Sentence1: a long tail can be used to move through water by an animal.
Sentence2: Crocodiles swim mostly with their tails.

Output: tail


Input:
Sentence1: Porcupine quills can be extraordinarily painful.
Sentence2: threatening behavior can be painful.

Output: painful


Input:
Sentence1: Soil or dirt is a very heavy material.
Sentence2: dirt can be depleted of nutrients.

Output: dirt


Input:
Sentence1: hitting an object causes the particles in that object to vibrate.
Sentence2: Ball is hit with bat by batter.

Output: hitting


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: When we increase the temperature of objects, they always expand.

Output: increase


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: When we increase the temperature of objects, they always expand.

Output: temperature


Input:
Sentence1: Mating is generally preceded by courtship.
Sentence2: pigeons have a period of courtship.

Output: courtship


Input:
Sentence1: absorbing sunlight causes objects to heat.
Sentence2: Absorbing sunlight causes cool objects to warm up.

Output: absorbing


Input:
Sentence1: absorbing sunlight causes objects to heat.
Sentence2: Absorbing sunlight causes cool objects to warm up.

Output: causes


Input:
Sentence1: absorbing sunlight causes objects to heat.
Sentence2: Absorbing sunlight causes cool objects to warm up.

Output: objects


Input:
Sentence1: absorbing sunlight causes objects to heat.
Sentence2: Absorbing sunlight causes cool objects to warm up.

Output: sunlight


Input:
Sentence1: nectar is used for attracting pollinators by plants.
Sentence2: nectar is used for attracting bees by plants.

Output: attracting


Input:
Sentence1: nectar is used for attracting pollinators by plants.
Sentence2: nectar is used for attracting bees by plants.

Output: nectar


Input:
Sentence1: nectar is used for attracting pollinators by plants.
Sentence2: nectar is used for attracting bees by plants.

Output: plants


Input:
Sentence1: Most of the energy a light bulb uses turns into heat.
Sentence2: The electricity that a light bulb uses to produce light turns into heat.

Output: heat


Input:
Sentence1: clouds are formed by water vapor rising into colder regions of the atmosphere and condensing.
Sentence2: clouds are formed by h2o vapor rising into colder regions of the atmosphere and condensing.

Output: atmosphere


Input:
Sentence1: clouds are formed by water vapor rising into colder regions of the atmosphere and condensing.
Sentence2: clouds are formed by h2o vapor rising into colder regions of the atmosphere and condensing.

Output: clouds


Input:
Sentence1: clouds are formed by water vapor rising into colder regions of the atmosphere and condensing.
Sentence2: clouds are formed by h2o vapor rising into colder regions of the atmosphere and condensing.

Output: colder


Input:
Sentence1: clouds are formed by water vapor rising into colder regions of the atmosphere and condensing.
Sentence2: clouds are formed by h2o vapor rising into colder regions of the atmosphere and condensing.

Output: condensing


Input:
Sentence1: clouds are formed by water vapor rising into colder regions of the atmosphere and condensing.
Sentence2: clouds are formed by h2o vapor rising into colder regions of the atmosphere and condensing.

Output: formed


Input:
Sentence1: clouds are formed by water vapor rising into colder regions of the atmosphere and condensing.
Sentence2: clouds are formed by h2o vapor rising into colder regions of the atmosphere and condensing.

Output: regions


Input:
Sentence1: clouds are formed by water vapor rising into colder regions of the atmosphere and condensing.
Sentence2: clouds are formed by h2o vapor rising into colder regions of the atmosphere and condensing.

Output: rising


Input:
Sentence1: clouds are formed by water vapor rising into colder regions of the atmosphere and condensing.
Sentence2: clouds are formed by h2o vapor rising into colder regions of the atmosphere and condensing.

Output: vapor


Input:
Sentence1: riding a bike does not cause pollution.
Sentence2: City employees use bicycles on the job to save energy and reduce air pollution.

Output: pollution


Input:
Sentence1: the color of leaves on deciduous trees usually changes in the autumn season.
Sentence2: Fall begins as deciduous trees lose their leaves in the autumn season.

Output: autumn


Input:
Sentence1: the color of leaves on deciduous trees usually changes in the autumn season.
Sentence2: Fall begins as deciduous trees lose their leaves in the autumn season.

Output: deciduous


Input:
Sentence1: the color of leaves on deciduous trees usually changes in the autumn season.
Sentence2: Fall begins as deciduous trees lose their leaves in the autumn season.

Output: season


Input:
Sentence1: the color of leaves on deciduous trees usually changes in the autumn season.
Sentence2: Fall begins as deciduous trees lose their leaves in the autumn season.

Output: trees


Input:
Sentence1: a thermometer is used to measure temperature.
Sentence2: When the temperature rises, the mercury expands and rises in the thermometer tube.

Output: thermometer


Input:
Sentence1: the fallopian tubes are used in reproduction.
Sentence2: reproduction requires eggs to fertilize.

Output: reproduction


Input:
Sentence1: preventing the transfer of heat from an organims 's body causes that organism to keep warm.
Sentence2: Sweating increases the amount of heat that is transferred from the body.

Output: heat


Input:
Sentence1: preventing the transfer of heat from an organims 's body causes that organism to keep warm.
Sentence2: Sweating increases the amount of heat that is transferred from the body.

Output: transfer


Input:
Sentence1: thirst is used to make an animal realize that it needs to replenish its bodily water by the body.
Sentence2: Every body needs plenty of hydration, and water is the best source of that hydration.

Output: water


Input:
Sentence1: Insects are in the phylum Arthropoda.
Sentence2: insects are arthropods.

Output: Insects


Input:
Sentence1: Viruses are usually considered to be nonliving.
Sentence2: smallpox is usually considered to be nonliving.

Output: considered


Input:
Sentence1: Viruses are usually considered to be nonliving.
Sentence2: smallpox is usually considered to be nonliving.

Output: nonliving


Input:
Sentence1: Viruses are usually considered to be nonliving.
Sentence2: smallpox is usually considered to be nonliving.

Output: usually


Input:
Sentence1: creating paper requires cutting down trees.
Sentence2: Trees clean and cool the air.

Output: trees


Input:
Sentence1: a tape measure is used to measure length.
Sentence2: Measure of length is by meter and land measure by hectares.

Output: length


Input:
Sentence1: a greenhouse is used to protect plants by keeping them warm.
Sentence2: greenhouses protect plants.

Output: protect


Input:
Sentence1: Chromosomes are the form of the genetic material of a cell during cell division.
Sentence2: Microtubules form part of the mitotic spindle that moves the chromosomes during cell division.

Output: Chromosomes


Input:
Sentence1: Chromosomes are the form of the genetic material of a cell during cell division.
Sentence2: Microtubules form part of the mitotic spindle that moves the chromosomes during cell division.

Output: form


Input:
Sentence1: Producers gain in terms of producer surplus.
Sentence2: consumers can take in food by eating those that gain in terms of surplus.

Output: surplus


Input:
Sentence1: Zooplankton are tiny animals that feed on phytoplankton.
Sentence2: Most copepods feed on phytoplankton.

Output: phytoplankton


Input:
Sentence1: Snails and slugs are invertebrates.
Sentence2: snails lack a vertebral column.

Output: Snails


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: Scrubbers significantly reduce emissions of sulfur dioxide.

Output: dioxide


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: Scrubbers significantly reduce emissions of sulfur dioxide.

Output: emission


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: Scrubbers significantly reduce emissions of sulfur dioxide.

Output: sulfur


Input:
Sentence1: Thyroid hormones increase the rate of metabolism in cells throughout the body.
Sentence2: Metabolism is the process of converting food to energy.

Output: metabolism


Input:
Sentence1: Kinetic energy varies as the square of the speed of a moving body.
Sentence2: Applying force in the direction of travel of a moving object will increase its kinetic energy.

Output: Kinetic


Input:
Sentence1: Kinetic energy varies as the square of the speed of a moving body.
Sentence2: Applying force in the direction of travel of a moving object will increase its kinetic energy.

Output: energy


Input:
Sentence1: Mammals include rabbits, foxes and coyotes.
Sentence2: Foxes conserve body heat with their hair or fur.

Output: foxes


Input:
Sentence1: knowledge of the stars can be used to navigate.
Sentence2: And every star there ever was is in a constellation.

Output: stars


Input:
Sentence1: Mammals generate heat mainly by keeping their metabolic rate high.
Sentence2: Dolphins generate heat by keeping their metabolic rate high.

Output: generate


Input:
Sentence1: Mammals generate heat mainly by keeping their metabolic rate high.
Sentence2: Dolphins generate heat by keeping their metabolic rate high.

Output: heat


Input:
Sentence1: Mammals generate heat mainly by keeping their metabolic rate high.
Sentence2: Dolphins generate heat by keeping their metabolic rate high.

Output: high


Input:
Sentence1: Mammals generate heat mainly by keeping their metabolic rate high.
Sentence2: Dolphins generate heat by keeping their metabolic rate high.

Output: metabolic


Input:
Sentence1: Mammals generate heat mainly by keeping their metabolic rate high.
Sentence2: Dolphins generate heat by keeping their metabolic rate high.

Output: rate


Input:
Sentence1: Dilation occurs when cell walls relax.
Sentence2: Dilation occurs when cell walls ease up.

Output: Dilation


Input:
Sentence1: Dilation occurs when cell walls relax.
Sentence2: Dilation occurs when cell walls ease up.

Output: cell


Input:
Sentence1: Dilation occurs when cell walls relax.
Sentence2: Dilation occurs when cell walls ease up.

Output: occurs


Input:
Sentence1: Dilation occurs when cell walls relax.
Sentence2: Dilation occurs when cell walls ease up.

Output: walls


Input:
Sentence1: Dilation occurs when cell walls relax.
Sentence2: Dilation occurs when cell walls ease up.

Output: when


Input:
Sentence1: Favorite food is steak.
Sentence2: steak consists of organic molecules that stores energy in its chemical bonds.

Output: steak


Input:
Sentence1: If the parasite causes harm, it is a pathogen.
Sentence2: When a parasite produces memory cells, active immunity results.

Output: parasite


Input:
Sentence1: when the body is hot , sweat is produced to cool the body.
Sentence2: When people walk, the body gets hot.

Output: hot


Input:
Sentence1: Any chemical splash in the eye can be dangerous.
Sentence2: Chemicals are dangerous to the eyes.

Output: dangerous


Input:
Sentence1: Any chemical splash in the eye can be dangerous.
Sentence2: Chemicals are dangerous to the eyes.

Output: eye


Input:
Sentence1: creating wood-free paper does not require cutting down trees.
Sentence2: creating wood-free paper does not require cutting down oaks.

Output: creating


Input:
Sentence1: creating wood-free paper does not require cutting down trees.
Sentence2: creating wood-free paper does not require cutting down oaks.

Output: cutting


Input:
Sentence1: creating wood-free paper does not require cutting down trees.
Sentence2: creating wood-free paper does not require cutting down oaks.

Output: does


Input:
Sentence1: creating wood-free paper does not require cutting down trees.
Sentence2: creating wood-free paper does not require cutting down oaks.

Output: down


Input:
Sentence1: creating wood-free paper does not require cutting down trees.
Sentence2: creating wood-free paper does not require cutting down oaks.

Output: not


Input:
Sentence1: creating wood-free paper does not require cutting down trees.
Sentence2: creating wood-free paper does not require cutting down oaks.

Output: paper


Input:
Sentence1: creating wood-free paper does not require cutting down trees.
Sentence2: creating wood-free paper does not require cutting down oaks.

Output: require


Input:
Sentence1: creating wood-free paper does not require cutting down trees.
Sentence2: creating wood-free paper does not require cutting down oaks.

Output: wood-free


Input:
Sentence1: cooking food requires adding heat energy.
Sentence2: Metals conduct heat energy .

Output: energy


Input:
Sentence1: cooking food requires adding heat energy.
Sentence2: Metals conduct heat energy .

Output: heat


Input:
Sentence1: Freezing point depression is a colligative property.
Sentence2: salts effect the colligative properties of solids.

Output: colligative


Input:
Sentence1: Freezing point depression is a colligative property.
Sentence2: salts effect the colligative properties of solids.

Output: property


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

Output: Rocks


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

Output: glisten


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

Output: grasses


Input:
Sentence1: Gas is the source of energy for heating water and for the stove.
Sentence2: A stove cooks with gas.

Output: Gas


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: Food is digested and absorbed in the small intestine.

Output: Digestion


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: Food is digested and absorbed in the small intestine.

Output: absorb


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: Food is digested and absorbed in the small intestine.

Output: food


Input:
Sentence1: Lung cancer for most is the consequence of smoking.
Sentence2: Lung cancer is a consequence of tobacco fumes.

Output: consequence


Input:
Sentence1: if a neutral atom loses an electron then an atom with a negative charge will be formed.
Sentence2: Ice crystals that are formed have a negative charge.

Output: charge


Input:
Sentence1: if a neutral atom loses an electron then an atom with a negative charge will be formed.
Sentence2: Ice crystals that are formed have a negative charge.

Output: negative


Input:
Sentence1: Some plants are deadly poisonous .
Sentence2: Some plants causes harm to living things.

Output: Some


Input:
Sentence1: Some plants are deadly poisonous .
Sentence2: Some plants causes harm to living things.

Output: plants


Input:
Sentence1: Lakes are generally bigger and deeper than ponds.
Sentence2: Scotland s lochs , including the famous Loch Ness, are glacial lakes.

Output: Lakes


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

Output: direct


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

Output: hemisphere


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

Output: less


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

Output: receives


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

Output: sunlight


Input:
Sentence1: if food is not immediately used by the body for energy then that food will be stored for future use.
Sentence2: if food is not immediately used by the body for energy then it becomes fat.

Output: body


Input:
Sentence1: if food is not immediately used by the body for energy then that food will be stored for future use.
Sentence2: if food is not immediately used by the body for energy then it becomes fat.

Output: energy


Input:
Sentence1: if food is not immediately used by the body for energy then that food will be stored for future use.
Sentence2: if food is not immediately used by the body for energy then it becomes fat.

Output: food


Input:
Sentence1: if food is not immediately used by the body for energy then that food will be stored for future use.
Sentence2: if food is not immediately used by the body for energy then it becomes fat.

Output: immediately


Input:
Sentence1: if food is not immediately used by the body for energy then that food will be stored for future use.
Sentence2: if food is not immediately used by the body for energy then it becomes fat.

Output: not


Input:
Sentence1: if food is not immediately used by the body for energy then that food will be stored for future use.
Sentence2: if food is not immediately used by the body for energy then it becomes fat.

Output: used


Input:
Sentence1: Sperm are deposited in the vagina during sexual intercourse.
Sentence2: Male gametes are sperm.

Output: Sperm


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: Chemicals can keep water vapor from moving into the atmosphere.

Output: atmosphere


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: Chemicals can keep water vapor from moving into the atmosphere.

Output: into


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: Chemicals can keep water vapor from moving into the atmosphere.

Output: moves


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: Chemicals can keep water vapor from moving into the atmosphere.

Output: vapor


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: Chemicals can keep water vapor from moving into the atmosphere.

Output: water


Input:
Sentence1: In the vacuum of space, there's no oxygen to burn.
Sentence2: A fire isn't possible in space.

Output: space


Input:
Sentence1: Smog also contains particulates.
Sentence2: Smog contains very small or liquid particles in the air.

Output: Smog


Input:
Sentence1: a vehicle is used for transportation.
Sentence2: motorcycles are used for transportation.

Output: transportation


Input:
Sentence1: a vehicle is used for transportation.
Sentence2: motorcycles are used for transportation.

Output: used


Input:
Sentence1: predicting weather requires studying weater.
Sentence2: Introduction to the Weather Introduction to Weather Meteorology is the study of weather.

Output: studying


Input:
Sentence1: Nitrogen is found in proteins, nucleic acids, and chlorophyll.
Sentence2: Chloroplasts are the structures which manufacture chlorophyll.

Output: chlorophyll


Input:
Sentence1: Most carcinogens cause cancer by producing mutations in DNA.
Sentence2: Asbestos is a known carcinogen.

Output: carcinogens


Input:
Sentence1: Blood Sugar Glucose is sugar.
Sentence2: Blood sugar is used for energy by cells of organisms.

Output: Blood


Input:
Sentence1: Blood Sugar Glucose is sugar.
Sentence2: Blood sugar is used for energy by cells of organisms.

Output: Sugar


Input:
Sentence1: Producers make food from inorganic molecules.
Sentence2: Decomposition helps producers make food.

Output: Producers


Input:
Sentence1: Producers make food from inorganic molecules.
Sentence2: Decomposition helps producers make food.

Output: food


Input:
Sentence1: Producers make food from inorganic molecules.
Sentence2: Decomposition helps producers make food.

Output: make


Input:
Sentence1: smoking tobacco decreases stamina.
Sentence2: Tobacco is smoked in pipes or in cigarettes or bidis.

Output: smoking


Input:
Sentence1: smoking tobacco decreases stamina.
Sentence2: Tobacco is smoked in pipes or in cigarettes or bidis.

Output: tobacco


Input:
Sentence1: Nausea and vomiting are caused by activation of the vomiting center in the brain.
Sentence2: the brain is responsible for removing toxic material from the stomach.

Output: brain


Input:
Sentence1: Playing is just one of many ways that mammals and other animals learn how to behave.
Sentence2: Animals learn to behave to increase chances of survival.

Output: animals


Input:
Sentence1: Playing is just one of many ways that mammals and other animals learn how to behave.
Sentence2: Animals learn to behave to increase chances of survival.

Output: learn


Input:
Sentence1: Aging occurs as cells lose their ability to divide.
Sentence2: Aging occurs because there are less cells produced.

Output: Aging


Input:
Sentence1: DNA replication is the process in which DNA is copied.
Sentence2: replication occurs at forks.

Output: replication


Input:
Sentence1: condensation is when change from a gas into a liquid by reducing heat energy.
Sentence2: Condensation is water from the air.

Output: condensation


Input:
Sentence1: adding salt to a solid decreases the freezing point of that solid.
Sentence2: Water density decreases with temperature and increases with salt content.

Output: decreases


Input:
Sentence1: An increase in temperature is the result of the flow of heat into the system.
Sentence2: increasing the temperature of salt water causes the water to evaporate while the salt remains.

Output: increase


Input:
Sentence1: An increase in temperature is the result of the flow of heat into the system.
Sentence2: increasing the temperature of salt water causes the water to evaporate while the salt remains.

Output: temperature


Input:
Sentence1: Birds have relatively large brains and a high level of intelligence.
Sentence2: Class Aves is for the birds, literally.

Output: Birds


Input:
Sentence1: satellite technology is used for predicting the weather.
Sentence2: satellite technology is used for predicting what it's like outside each day.

Output: predicting


Input:
Sentence1: satellite technology is used for predicting the weather.
Sentence2: satellite technology is used for predicting what it's like outside each day.

Output: satellite


Input:
Sentence1: satellite technology is used for predicting the weather.
Sentence2: satellite technology is used for predicting what it's like outside each day.

Output: technology


Input:
Sentence1: satellite technology is used for predicting the weather.
Sentence2: satellite technology is used for predicting what it's like outside each day.

Output: used


Input:
Sentence1: Solar energy is clean energy .
Sentence2: Solar light enters ecosystems.

Output: Solar


Input:
Sentence1: Bone matrix consists of collagen and minerals.
Sentence2: collagen provides protection for soft tissues and internal organs.

Output: collagen


Input:
Sentence1: Balancing connotes a set of scales.
Sentence2: Scales are used to measure mass of an object.

Output: scales


Input:
Sentence1: Immunity results from immunization.
Sentence2: Results underline the benefits of such vaccination policy.

Output: results


Input:
Sentence1: Competition may lead to aggressive behaviors or displays of aggression.
Sentence2: Human mating may lead to aggressive behaviors or displays of aggresion.

Output: aggression


Input:
Sentence1: Competition may lead to aggressive behaviors or displays of aggression.
Sentence2: Human mating may lead to aggressive behaviors or displays of aggresion.

Output: aggressive


Input:
Sentence1: Competition may lead to aggressive behaviors or displays of aggression.
Sentence2: Human mating may lead to aggressive behaviors or displays of aggresion.

Output: behaviors


Input:
Sentence1: Competition may lead to aggressive behaviors or displays of aggression.
Sentence2: Human mating may lead to aggressive behaviors or displays of aggresion.

Output: displays


Input:
Sentence1: wind causes erosion.
Sentence2: Erosion affects farm viability.

Output: erosion


Input:
Sentence1: Hydrogen bonds cause water to expand when it freezes.
Sentence2: Water freezes into ice when cooled.

Output: freezes


Input:
Sentence1: Rainfall is more at the tropics and on windward side of mountains.
Sentence2: Rainfall falls on the windward side.

Output: Rainfall


Input:
Sentence1: sonar is used to find the location of an object.
Sentence2: sound waves are used to find the location of an object.

Output: find


Input:
Sentence1: sonar is used to find the location of an object.
Sentence2: sound waves are used to find the location of an object.

Output: location


Input:
Sentence1: sonar is used to find the location of an object.
Sentence2: sound waves are used to find the location of an object.

Output: object


Input:
Sentence1: sonar is used to find the location of an object.
Sentence2: sound waves are used to find the location of an object.

Output: used


Input:
Sentence1: an animal requires energy to move.
Sentence2: animals require food to move.

Output: animal


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: Living and surviving are the thing.

Output: survival


Input:
Sentence1: Weather today is said to be sunny and clear.
Sentence2: High pressure systems cause it to be sunny.

Output: sunny


Input:
Sentence1: A low melting point will lower the heat needed.
Sentence2: adding salt to a liquid lowers the heat needed to melt it.

Output: heat


Input:
Sentence1: A low melting point will lower the heat needed.
Sentence2: adding salt to a liquid lowers the heat needed to melt it.

Output: lower


Input:
Sentence1: Plants that shed their leaves seasonally each year are called deciduous plants.
Sentence2: Some shade trees can shed their leaves.

Output: leaves


Input:
Sentence1: Plants that shed their leaves seasonally each year are called deciduous plants.
Sentence2: Some shade trees can shed their leaves.

Output: shed


Input:
Sentence1: Plants that shed their leaves seasonally each year are called deciduous plants.
Sentence2: Some shade trees can shed their leaves.

Output: their


Input:
Sentence1: a vehicle is used for transportation.
Sentence2: most bigger cities require vehicles.

Output: vehicle


Input:
Sentence1: Streams may start with runoff or water seeping out of a spring.
Sentence2: streams may start with runoff or h2o seeping out of a spring.

Output: Streams


Input:
Sentence1: Streams may start with runoff or water seeping out of a spring.
Sentence2: streams may start with runoff or h2o seeping out of a spring.

Output: out


Input:
Sentence1: Streams may start with runoff or water seeping out of a spring.
Sentence2: streams may start with runoff or h2o seeping out of a spring.

Output: runoff


Input:
Sentence1: Streams may start with runoff or water seeping out of a spring.
Sentence2: streams may start with runoff or h2o seeping out of a spring.

Output: seeping


Input:
Sentence1: Streams may start with runoff or water seeping out of a spring.
Sentence2: streams may start with runoff or h2o seeping out of a spring.

Output: spring


Input:
Sentence1: Streams may start with runoff or water seeping out of a spring.
Sentence2: streams may start with runoff or h2o seeping out of a spring.

Output: start


Input:
Sentence1: Tunicates, or sea squirts, are marine organisms covered with a gelatinous tunic.
Sentence2: marine organisms covered with a gelatinous area reproduce sexually.

Output: covered


Input:
Sentence1: Tunicates, or sea squirts, are marine organisms covered with a gelatinous tunic.
Sentence2: marine organisms covered with a gelatinous area reproduce sexually.

Output: gelatinous


Input:
Sentence1: Tunicates, or sea squirts, are marine organisms covered with a gelatinous tunic.
Sentence2: marine organisms covered with a gelatinous area reproduce sexually.

Output: marine


Input:
Sentence1: Tunicates, or sea squirts, are marine organisms covered with a gelatinous tunic.
Sentence2: marine organisms covered with a gelatinous area reproduce sexually.

Output: organisms


Input:
Sentence1: burning wood is used to produce heat.
Sentence2: Food is cooked by the steam and heat.

Output: heat


Input:
Sentence1: Climate is the average weather in an area over a long period of time.
Sentence2: Bloom time depends on the climate in an area.

Output: Climate


Input:
Sentence1: Climate is the average weather in an area over a long period of time.
Sentence2: Bloom time depends on the climate in an area.

Output: area


Input:
Sentence1: Fungi include yeasts, molds, and fleshy fungi.
Sentence2: Molds get organic compound from dead organisms.

Output: molds


Input:
Sentence1: Snails and slugs are invertebrates.
Sentence2: Snails and slugs lack a backbone.

Output: Snails


Input:
Sentence1: Snails and slugs are invertebrates.
Sentence2: Snails and slugs lack a backbone.

Output: and


Input:
Sentence1: Snails and slugs are invertebrates.
Sentence2: Snails and slugs lack a backbone.

Output: slugs


Input:
Sentence1: Heat is caused by molecules moving.
Sentence2: molecules moving causes thermal expansion.

Output: molecules


Input:
Sentence1: Heat is caused by molecules moving.
Sentence2: molecules moving causes thermal expansion.

Output: moving


Input:
Sentence1: weathering means breaking down rocks from larger whole into smaller pieces by weather.
Sentence2: Larger values create bigger brushes.

Output: larger


Input:
Sentence1: Reduces heat friction build up.
Sentence2: heat build up causes an object to lose energy.

Output: build


Input:
Sentence1: Reduces heat friction build up.
Sentence2: heat build up causes an object to lose energy.

Output: heat


Input:
Sentence1: Reduces heat friction build up.
Sentence2: heat build up causes an object to lose energy.

Output: up


Input:
Sentence1: most canyons are formed by flowing rivers through erosion over long periods of time.
Sentence2: Rivers, rainwater, well water and most lakes contain fresh water.

Output: rivers


Input:
Sentence1: if a planet becomes too hot then that planet cannot sustain life.
Sentence2: Sustainable, organic agriculture is predicated on such balanced ecosystems.

Output: sustain


Input:
Sentence1: Machines mow down forests much as a lawn mower cuts grass.
Sentence2: Gasoline can be converted into cut grass by machines.

Output: Machines


Input:
Sentence1: Machines mow down forests much as a lawn mower cuts grass.
Sentence2: Gasoline can be converted into cut grass by machines.

Output: cuts


Input:
Sentence1: Machines mow down forests much as a lawn mower cuts grass.
Sentence2: Gasoline can be converted into cut grass by machines.

Output: grass


Input:
Sentence1: Birds move their wings using muscles in the chest.
Sentence2: Birds use muscles in the chest to fly.

Output: Birds


Input:
Sentence1: Birds move their wings using muscles in the chest.
Sentence2: Birds use muscles in the chest to fly.

Output: chest


Input:
Sentence1: Birds move their wings using muscles in the chest.
Sentence2: Birds use muscles in the chest to fly.

Output: muscles


Input:
Sentence1: Birds move their wings using muscles in the chest.
Sentence2: Birds use muscles in the chest to fly.

Output: using


Input:
Sentence1: Mating is generally preceded by courtship.
Sentence2: reproduction is generally preceded by courtship.

Output: courtship


Input:
Sentence1: Mating is generally preceded by courtship.
Sentence2: reproduction is generally preceded by courtship.

Output: generally


Input:
Sentence1: Mating is generally preceded by courtship.
Sentence2: reproduction is generally preceded by courtship.

Output: preceded


Input:
Sentence1: Chemical digestion occurs mainly in the small intestine.
Sentence2: Chemical digestion and absorption of food occurs in the small intestine.

Output: Chemical


Input:
Sentence1: Chemical digestion occurs mainly in the small intestine.
Sentence2: Chemical digestion and absorption of food occurs in the small intestine.

Output: digestion


Input:
Sentence1: if a habitat can no longer support animals then those animals will move to another area.
Sentence2: When wildfowl's territory is destroyed, they must move to another area.

Output: another


Input:
Sentence1: if a habitat can no longer support animals then those animals will move to another area.
Sentence2: When wildfowl's territory is destroyed, they must move to another area.

Output: area


Input:
Sentence1: if a habitat can no longer support animals then those animals will move to another area.
Sentence2: When wildfowl's territory is destroyed, they must move to another area.

Output: move


Input:
Sentence1: if a habitat can no longer support animals then those animals will move to another area.
Sentence2: When wildfowl's territory is destroyed, they must move to another area.

Output: to


Input:
Sentence1: Basically, heat is energy.
Sentence2: Food consists of organic molecules that store heat in their chemical bonds.

Output: heat


Input:
Sentence1: Meiosis is the type of cell division that produces gametes.
Sentence2: Meiosis, on the other hand, is a two stage process, ultimately producing four cells.

Output: Meiosis


Input:
Sentence1: Most people can survive only a few days without water.
Sentence2: men need water to live.

Output: water


Input:
Sentence1: Algae have varied life cycles.
Sentence2: the simplest green plants have varied life cycles.

Output: cycles


Input:
Sentence1: Algae have varied life cycles.
Sentence2: the simplest green plants have varied life cycles.

Output: life


Input:
Sentence1: Algae have varied life cycles.
Sentence2: the simplest green plants have varied life cycles.

Output: varied


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: All animals rely on senses of taste and smell to find acceptable food for survival.

Output: senses


Input:
Sentence1: Echinoderms have a unique water vascular system with tube feet.
Sentence2: deuterostomes can have a water vascular system with tube feet.

Output: feet


Input:
Sentence1: Echinoderms have a unique water vascular system with tube feet.
Sentence2: deuterostomes can have a water vascular system with tube feet.

Output: system


Input:
Sentence1: Echinoderms have a unique water vascular system with tube feet.
Sentence2: deuterostomes can have a water vascular system with tube feet.

Output: tube


Input:
Sentence1: Echinoderms have a unique water vascular system with tube feet.
Sentence2: deuterostomes can have a water vascular system with tube feet.

Output: vascular


Input:
Sentence1: Echinoderms have a unique water vascular system with tube feet.
Sentence2: deuterostomes can have a water vascular system with tube feet.

Output: water


Input:
Sentence1: Echinoderms have a unique water vascular system with tube feet.
Sentence2: deuterostomes can have a water vascular system with tube feet.

Output: with


Input:
Sentence1: mountains are formed by earthquakes.
Sentence2: Japan has a lot of mountains.

Output: mountains


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: Automobile engines transform chemical energy into energy of moving objects.

Output: automobile


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: Automobile engines transform chemical energy into energy of moving objects.

Output: chemical


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: Automobile engines transform chemical energy into energy of moving objects.

Output: energy


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: Automobile engines transform chemical energy into energy of moving objects.

Output: engine


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: Automobile engines transform chemical energy into energy of moving objects.

Output: transforms


Input:
Sentence1: Humans acquire the infection from contact with infected animals, carcasses, or nonliving material.
Sentence2: Viruses are usually acquired from contact with infected animals.

Output: acquire


Input:
Sentence1: Humans acquire the infection from contact with infected animals, carcasses, or nonliving material.
Sentence2: Viruses are usually acquired from contact with infected animals.

Output: animals


Input:
Sentence1: Humans acquire the infection from contact with infected animals, carcasses, or nonliving material.
Sentence2: Viruses are usually acquired from contact with infected animals.

Output: contact


Input:
Sentence1: Humans acquire the infection from contact with infected animals, carcasses, or nonliving material.
Sentence2: Viruses are usually acquired from contact with infected animals.

Output: from


Input:
Sentence1: Humans acquire the infection from contact with infected animals, carcasses, or nonliving material.
Sentence2: Viruses are usually acquired from contact with infected animals.

Output: infected


Input:
Sentence1: Fungi have special structures for penetrating a host.
Sentence2: Mushrooms have special structures for penetrating a host.

Output: have


Input:
Sentence1: Fungi have special structures for penetrating a host.
Sentence2: Mushrooms have special structures for penetrating a host.

Output: host


Input:
Sentence1: Fungi have special structures for penetrating a host.
Sentence2: Mushrooms have special structures for penetrating a host.

Output: penetrating


Input:
Sentence1: Fungi have special structures for penetrating a host.
Sentence2: Mushrooms have special structures for penetrating a host.

Output: special


Input:
Sentence1: Fungi have special structures for penetrating a host.
Sentence2: Mushrooms have special structures for penetrating a host.

Output: structures


Input:
Sentence1: Population density is the average number of individuals per unit of area or volume.
Sentence2: Growth of an area can be determined by the average number of people per unit of area.

Output: area


Input:
Sentence1: Population density is the average number of individuals per unit of area or volume.
Sentence2: Growth of an area can be determined by the average number of people per unit of area.

Output: average


Input:
Sentence1: Population density is the average number of individuals per unit of area or volume.
Sentence2: Growth of an area can be determined by the average number of people per unit of area.

Output: number


Input:
Sentence1: Population density is the average number of individuals per unit of area or volume.
Sentence2: Growth of an area can be determined by the average number of people per unit of area.

Output: unit


Input:
Sentence1: Sight is the ability to sense light, and the eye is the organ that senses light.
Sentence2: sight is the ability to sense rays or beams, and the eye is the organ that senses them.

Output: Sight


Input:
Sentence1: Sight is the ability to sense light, and the eye is the organ that senses light.
Sentence2: sight is the ability to sense rays or beams, and the eye is the organ that senses them.

Output: ability


Input:
Sentence1: Sight is the ability to sense light, and the eye is the organ that senses light.
Sentence2: sight is the ability to sense rays or beams, and the eye is the organ that senses them.

Output: eye


Input:
Sentence1: Sight is the ability to sense light, and the eye is the organ that senses light.
Sentence2: sight is the ability to sense rays or beams, and the eye is the organ that senses them.

Output: organ


Input:
Sentence1: Sight is the ability to sense light, and the eye is the organ that senses light.
Sentence2: sight is the ability to sense rays or beams, and the eye is the organ that senses them.

Output: sense


Input:
Sentence1: Sight is the ability to sense light, and the eye is the organ that senses light.
Sentence2: sight is the ability to sense rays or beams, and the eye is the organ that senses them.

Output: senses


Input:
Sentence1: Carbon cycles quickly between organisms and the atmosphere.
Sentence2: An organic molecule is one involving carbon.

Output: Carbon


Input:
Sentence1: erosion can cause a landslide.
Sentence2: erosion can cause tsunamis.

Output: can


Input:
Sentence1: erosion can cause a landslide.
Sentence2: erosion can cause tsunamis.

Output: cause


Input:
Sentence1: erosion can cause a landslide.
Sentence2: erosion can cause tsunamis.

Output: erosion


Input:
Sentence1: Amphibians have a relatively complex circulatory system with a three-chambered heart.
Sentence2: Toads have a relatively complex circulatory system with a three chambered heart.

Output: circulatory


Input:
Sentence1: Amphibians have a relatively complex circulatory system with a three-chambered heart.
Sentence2: Toads have a relatively complex circulatory system with a three chambered heart.

Output: complex


Input:
Sentence1: Amphibians have a relatively complex circulatory system with a three-chambered heart.
Sentence2: Toads have a relatively complex circulatory system with a three chambered heart.

Output: heart


Input:
Sentence1: Amphibians have a relatively complex circulatory system with a three-chambered heart.
Sentence2: Toads have a relatively complex circulatory system with a three chambered heart.

Output: relatively


Input:
Sentence1: Amphibians have a relatively complex circulatory system with a three-chambered heart.
Sentence2: Toads have a relatively complex circulatory system with a three chambered heart.

Output: system


Input:
Sentence1: Amphibians have a relatively complex circulatory system with a three-chambered heart.
Sentence2: Toads have a relatively complex circulatory system with a three chambered heart.

Output: three-chambered


Input:
Sentence1: a vehicle is used for transportation.
Sentence2: Most bigger cities require efficient and adequate public transport systems.

Output: transportation


Input:
Sentence1: the gravitational pull of the Moon on Earth 's oceans causes the tides.
Sentence2: erosion is caused by the ocean's tides resulting from gravitational pull.

Output: gravitational


Input:
Sentence1: the gravitational pull of the Moon on Earth 's oceans causes the tides.
Sentence2: erosion is caused by the ocean's tides resulting from gravitational pull.

Output: pull


Input:
Sentence1: Adolescence is a time of significant mental, emotional, and social changes.
Sentence2: at least one in every five people in the world is in a time of significant mental, emotional and social changes.

Output: changes


Input:
Sentence1: Adolescence is a time of significant mental, emotional, and social changes.
Sentence2: at least one in every five people in the world is in a time of significant mental, emotional and social changes.

Output: emotional


Input:
Sentence1: Adolescence is a time of significant mental, emotional, and social changes.
Sentence2: at least one in every five people in the world is in a time of significant mental, emotional and social changes.

Output: mental


Input:
Sentence1: Adolescence is a time of significant mental, emotional, and social changes.
Sentence2: at least one in every five people in the world is in a time of significant mental, emotional and social changes.

Output: significant


Input:
Sentence1: Adolescence is a time of significant mental, emotional, and social changes.
Sentence2: at least one in every five people in the world is in a time of significant mental, emotional and social changes.

Output: social


Input:
Sentence1: Adolescence is a time of significant mental, emotional, and social changes.
Sentence2: at least one in every five people in the world is in a time of significant mental, emotional and social changes.

Output: time


Input:
Sentence1: exercise increases a body 's strength.
Sentence2: Exercise is important to keeping strong and healthy.

Output: exercise


Input:
Sentence1: exercise increases a body 's strength.
Sentence2: Exercise is important to keeping strong and healthy.

Output: strength


Input:
Sentence1: Sporangia produce spores that develop into tiny, heart-shaped gametophytes.
Sentence2: All gametophytes are haploid.

Output: gametophytes


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Carbon dioxide is the major contributor to global warming.

Output: global


Input:
Sentence1: gases released during the use of fossil fuels causes global warming.
Sentence2: Carbon dioxide is the major contributor to global warming.

Output: warming


Input:
Sentence1: Babies that are very large or very small at birth are less likely to survive.
Sentence2: Premature babies are often very small, especially if they are born very premature.

Output: small


Input:
Sentence1: Babies that are very large or very small at birth are less likely to survive.
Sentence2: Premature babies are often very small, especially if they are born very premature.

Output: very


Input:
Sentence1: For example, a fibroid is a tumor, a wart is a tumor, and cancers are tumors.
Sentence2: cells that divide uncontrollably may form a fibroid, a wart, cancer.

Output: cancers


Input:
Sentence1: For example, a fibroid is a tumor, a wart is a tumor, and cancers are tumors.
Sentence2: cells that divide uncontrollably may form a fibroid, a wart, cancer.

Output: fibroid


Input:
Sentence1: For example, a fibroid is a tumor, a wart is a tumor, and cancers are tumors.
Sentence2: cells that divide uncontrollably may form a fibroid, a wart, cancer.

Output: wart


Input:
Sentence1: Peachleaf willow is a deciduous tree.
Sentence2: the color of leaves on peachleaf willows usually changes in the autumn season.

Output: Peachleaf


Input:
Sentence1: Peachleaf willow is a deciduous tree.
Sentence2: the color of leaves on peachleaf willows usually changes in the autumn season.

Output: willow


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

Output: energy


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

Output: organism


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

Output: requires


Input:
Sentence1: Adaptation and natural selection are discussed.
Sentence2: Evolution occurs by a process of adaptation.

Output: Adaptation


Input:
Sentence1: Disease and injury can inflict terrible pain, and can cripple and kill.
Sentence2: insects can kill people.

Output: kill


Input:
Sentence1: a flashlight converts chemical energy into light energy.
Sentence2: a flashlight can push an object.

Output: flashlight


Input:
Sentence1: Muscle contraction occurs when muscle fibers get shorter.
Sentence2: Muscles can only contract and relax.

Output: contraction


Input:
Sentence1: Solar energy is the energy in the sun's rays.
Sentence2: the sun's rays can be used for heating a building by a heating system.

Output: rays


Input:
Sentence1: Solar energy is the energy in the sun's rays.
Sentence2: the sun's rays can be used for heating a building by a heating system.

Output: sun's


Input:
Sentence1: Scientists have shown that ocean organisms known as zooplankton harbor cholera bacteria.
Sentence2: Tiny ocean organisms feed on phytoplankton.

Output: ocean


Input:
Sentence1: Scientists have shown that ocean organisms known as zooplankton harbor cholera bacteria.
Sentence2: Tiny ocean organisms feed on phytoplankton.

Output: organisms


Input:
Sentence1: Arthropods Arthropods have jointed segmented exoskeletons.
Sentence2: Insects have jointed segmented exoskeletons.

Output: exoskeletons


Input:
Sentence1: Arthropods Arthropods have jointed segmented exoskeletons.
Sentence2: Insects have jointed segmented exoskeletons.

Output: have


Input:
Sentence1: Arthropods Arthropods have jointed segmented exoskeletons.
Sentence2: Insects have jointed segmented exoskeletons.

Output: jointed


Input:
Sentence1: Arthropods Arthropods have jointed segmented exoskeletons.
Sentence2: Insects have jointed segmented exoskeletons.

Output: segmented


Input:
Sentence1: Stomata opening are controlled by guard cells.
Sentence2: Guard cells are needed to reduce water loss.

Output: cells


Input:
Sentence1: Stomata opening are controlled by guard cells.
Sentence2: Guard cells are needed to reduce water loss.

Output: guard


Input:
Sentence1: astronauts require preserved food for extended flights.
Sentence2: Almost of process food, canned food and preserved food are decreased in their nutritive value.

Output: preserved


Input:
Sentence1: magnetism can cause objects to repel each other.
Sentence2: magnetism is the force that causes objects to push or attract each other.

Output: cause


Input:
Sentence1: magnetism can cause objects to repel each other.
Sentence2: magnetism is the force that causes objects to push or attract each other.

Output: magnetism


Input:
Sentence1: touch can be used for detecting texture.
Sentence2: Since skin is the largest organ in the body, touch is extremely important.

Output: touch


Input:
Sentence1: bacteria cause food to spoil.
Sentence2: Bacteria love a warm, moist place to grow.

Output: bacteria


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: Root growth and development are extremely important to plant growth.

Output: roots'


Input:
Sentence1: Humans are complex organisms.
Sentence2: cell division is how humans grow and repair themselves.

Output: Humans


Input:
Sentence1: when a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight.
Sentence2: Direct sunlight burns foliage.

Output: direct


Input:
Sentence1: when a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight.
Sentence2: Direct sunlight burns foliage.

Output: sunlight


Input:
Sentence1: Birds are endothermic tetrapod vertebrates.
Sentence2: Birds are vertebrate endotherms with legs.

Output: Birds


Input:
Sentence1: Birds are endothermic tetrapod vertebrates.
Sentence2: Birds are vertebrate endotherms with legs.

Output: endothermic


Input:
Sentence1: Birds are endothermic tetrapod vertebrates.
Sentence2: Birds are vertebrate endotherms with legs.

Output: vertebrates


Input:
Sentence1: the moon revolving around the Earth causes the phases of the moon.
Sentence2: The moon rotates around the earth.

Output: moon


Input:
Sentence1: Mating is generally preceded by courtship.
Sentence2: mating generally occurs after autumn in moose.

Output: Mating


Input:
Sentence1: Mating is generally preceded by courtship.
Sentence2: mating generally occurs after autumn in moose.

Output: generally


Input:
Sentence1: Objects displace their volume in a fluid.
Sentence2: The amount that a fluid is displaced by an object can describe the size of the object.

Output: Objects


Input:
Sentence1: Objects displace their volume in a fluid.
Sentence2: The amount that a fluid is displaced by an object can describe the size of the object.

Output: displace


Input:
Sentence1: Objects displace their volume in a fluid.
Sentence2: The amount that a fluid is displaced by an object can describe the size of the object.

Output: fluid


Input:
Sentence1: For a male, urine markings are used to define the boundaries of their territory.
Sentence2: male dogs use pheromones in urine markings to define boundaries.

Output: boundaries


Input:
Sentence1: For a male, urine markings are used to define the boundaries of their territory.
Sentence2: male dogs use pheromones in urine markings to define boundaries.

Output: define


Input:
Sentence1: For a male, urine markings are used to define the boundaries of their territory.
Sentence2: male dogs use pheromones in urine markings to define boundaries.

Output: urine


Input:
Sentence1: uneven heating of the Earth 's surface cause wind.
Sentence2: Wind can cause damage to buildings and bring down power lines.

Output: wind


Input:
Sentence1: smell is used for finding food by some animals.
Sentence2: Food includes small rodents and birds.

Output: food


Input:
Sentence1: soil is formed by weathering.
Sentence2: Something described as loamy is formed by weathering.

Output: formed


Input:
Sentence1: soil is formed by weathering.
Sentence2: Something described as loamy is formed by weathering.

Output: weathering


Input:
Sentence1: Rulers are divided into inches and fractions of inches.
Sentence2: You can measure the length of an object with inches and fractions of inches.

Output: fractions


Input:
Sentence1: Rulers are divided into inches and fractions of inches.
Sentence2: You can measure the length of an object with inches and fractions of inches.

Output: inches


Input:
Sentence1: Skin color is another polygenic trait.
Sentence2: Skin color is influenced by multiple genes.

Output: Skin


Input:
Sentence1: Skin color is another polygenic trait.
Sentence2: Skin color is influenced by multiple genes.

Output: color


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

Output: boiling


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

Output: change


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

Output: gas


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

Output: into


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

Output: liquid


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

Output: means


Input:
Sentence1: Specialization occurs when competing species evolve different adaptations.
Sentence2: Beak variation came about because of competing species evolving different adaptations.

Output: adaptations


Input:
Sentence1: Specialization occurs when competing species evolve different adaptations.
Sentence2: Beak variation came about because of competing species evolving different adaptations.

Output: competing


Input:
Sentence1: Specialization occurs when competing species evolve different adaptations.
Sentence2: Beak variation came about because of competing species evolving different adaptations.

Output: different


Input:
Sentence1: Specialization occurs when competing species evolve different adaptations.
Sentence2: Beak variation came about because of competing species evolving different adaptations.

Output: evolve


Input:
Sentence1: Specialization occurs when competing species evolve different adaptations.
Sentence2: Beak variation came about because of competing species evolving different adaptations.

Output: species


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

Output: Proteins


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

Output: essential


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

Output: nutrient


Input:
Sentence1: a switch is used to start the flow of current in an electrical circuit.
Sentence2: Some systems have an additional connection for a second doorbell switch.

Output: switch


Input:
Sentence1: Animals behave in a variety of ways which enhance their chances of survival and reproduction.
Sentence2: Animals learn to behave to increase chances of survival.

Output: behave


Input:
Sentence1: Animals behave in a variety of ways which enhance their chances of survival and reproduction.
Sentence2: Animals learn to behave to increase chances of survival.

Output: survival


Input:
Sentence1: Mammals conserve body heat with their hair or fur.
Sentence2: Basically, heat is energy.

Output: heat


Input:
Sentence1: fluoride decreases tooth decay.
Sentence2: Fluoride reduces cavity formation.

Output: fluoride


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

Output: Ribosomes


Input:
Sentence1: moss causes chemical weathering.
Sentence2: Moss can cause a chemical breakdown of rocks.

Output: moss


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

Output: Mollusks


Input:
Sentence1: exercise increases a body 's strength.
Sentence2: Yoga increases a body's strength.

Output: body


Input:
Sentence1: exercise increases a body 's strength.
Sentence2: Yoga increases a body's strength.

Output: increases


Input:
Sentence1: exercise increases a body 's strength.
Sentence2: Yoga increases a body's strength.

Output: strength


Input:
Sentence1: Erosion of rock makes nutrients available.
Sentence2: rain causes nutrients to be available.

Output: nutrients


Input:
Sentence1: Roots gather plant nutrients.
Sentence2: looseness of soil has a positive impact on plant nutrients.

Output: nutrients


Input:
Sentence1: a scale is used for measuring weight.
Sentence2: a scale is used for measuring the force of gravity.

Output: measuring


Input:
Sentence1: a scale is used for measuring weight.
Sentence2: a scale is used for measuring the force of gravity.

Output: scale


Input:
Sentence1: a scale is used for measuring weight.
Sentence2: a scale is used for measuring the force of gravity.

Output: used


Input:
Sentence1: Very often their only metal object in the house is a cooking pot or a knife.
Sentence2: sharpening a knife causes it to change shape.

Output: knife


Input:
Sentence1: when the body is hot , sweat is produced to cool the body.
Sentence2: Sweat cools by evaporation.

Output: sweat


Input:
Sentence1: Lymph is a fluid that leaks out of capillaries into spaces between cells.
Sentence2: Humans are made up of trillions of cells.

Output: cells


Input:
Sentence1: Water freezes at zero degrees Celsius.
Sentence2: When water reaches zero degrees Celsius, it expands.

Output: Celsius


Input:
Sentence1: Leukemias are cancers of the blood.
Sentence2: some viruses can cause leukemia.

Output: Leukemias


Input:
Sentence1: Ozone Ozone is a highly toxic invisible gas.
Sentence2: a loss of highly toxic invisible gas has created a hole over Antarctica.

Output: gas


Input:
Sentence1: Ozone Ozone is a highly toxic invisible gas.
Sentence2: a loss of highly toxic invisible gas has created a hole over Antarctica.

Output: highly


Input:
Sentence1: Ozone Ozone is a highly toxic invisible gas.
Sentence2: a loss of highly toxic invisible gas has created a hole over Antarctica.

Output: invisible


Input:
Sentence1: Ozone Ozone is a highly toxic invisible gas.
Sentence2: a loss of highly toxic invisible gas has created a hole over Antarctica.

Output: toxic


Input:
Sentence1: Germination depends on the seed coat.
Sentence2: the force of water causes germination with the emergence of a root.

Output: Germination


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

Output: force


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

Output: pulls


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

Output: things


Input:
Sentence1: Organisms or living beings are literally things that are alive.
Sentence2: Eating something that contains pollutants has a negative impact on a living being's survival.

Output: beings


Input:
Sentence1: Organisms or living beings are literally things that are alive.
Sentence2: Eating something that contains pollutants has a negative impact on a living being's survival.

Output: living


Input:
Sentence1: Human population growth has resulted in habitat destruction, causing massive extinctions.
Sentence2: human population growth causes animals to find shelter in another habitat.

Output: Human


Input:
Sentence1: Human population growth has resulted in habitat destruction, causing massive extinctions.
Sentence2: human population growth causes animals to find shelter in another habitat.

Output: growth


Input:
Sentence1: Human population growth has resulted in habitat destruction, causing massive extinctions.
Sentence2: human population growth causes animals to find shelter in another habitat.

Output: population


Input:
Sentence1: Legionnaires' disease is a type of pneumonia.
Sentence2: Legionnaires' disease may be caused by an infection or injury of the lungs.

Output: Legionnaires'


Input:
Sentence1: Legionnaires' disease is a type of pneumonia.
Sentence2: Legionnaires' disease may be caused by an infection or injury of the lungs.

Output: disease


Input:
Sentence1: if something is outside during the day then that something will receive sunlight.
Sentence2: If something is outside during the day then that thing will receive sun.

Output: day


Input:
Sentence1: if something is outside during the day then that something will receive sunlight.
Sentence2: If something is outside during the day then that thing will receive sun.

Output: outside


Input:
Sentence1: if something is outside during the day then that something will receive sunlight.
Sentence2: If something is outside during the day then that thing will receive sun.

Output: something


Input:
Sentence1: Fingernails prevent injury by forming protective plates over the ends of the fingers.
Sentence2: For example, the finger is at the distal end of the human arm.

Output: fingers


Input:
Sentence1: Appearance nodes affect an object's appearance, such as color, material properties, or texture maps.
Sentence2: An object made with a material will have the appearance, texture and color of the material.

Output: appearance


Input:
Sentence1: Appearance nodes affect an object's appearance, such as color, material properties, or texture maps.
Sentence2: An object made with a material will have the appearance, texture and color of the material.

Output: color


Input:
Sentence1: Appearance nodes affect an object's appearance, such as color, material properties, or texture maps.
Sentence2: An object made with a material will have the appearance, texture and color of the material.

Output: material


Input:
Sentence1: Appearance nodes affect an object's appearance, such as color, material properties, or texture maps.
Sentence2: An object made with a material will have the appearance, texture and color of the material.

Output: texture


Input:
Sentence1: Chloroplasts contain the green pigment chlorophyll.
Sentence2: animals do not have chlorophyll.

Output: chlorophyll


Input:
Sentence1: Blood pressure is highest in arteries and lowest in veins.
Sentence2: What is Blood Pressure Blood pressure is the pressure on the blood vessel walls.

Output: Blood


Input:
Sentence1: Blood pressure is highest in arteries and lowest in veins.
Sentence2: What is Blood Pressure Blood pressure is the pressure on the blood vessel walls.

Output: pressure


Input:
Sentence1: when the seasons change from the summer to the fall , the amount of daylight will decrease.
Sentence2: when the seasons change from the summer to the fall, sheep breed more.

Output: change


Input:
Sentence1: when the seasons change from the summer to the fall , the amount of daylight will decrease.
Sentence2: when the seasons change from the summer to the fall, sheep breed more.

Output: fall


Input:
Sentence1: when the seasons change from the summer to the fall , the amount of daylight will decrease.
Sentence2: when the seasons change from the summer to the fall, sheep breed more.

Output: seasons


Input:
Sentence1: when the seasons change from the summer to the fall , the amount of daylight will decrease.
Sentence2: when the seasons change from the summer to the fall, sheep breed more.

Output: summer


Input:
Sentence1: when the seasons change from the summer to the fall , the amount of daylight will decrease.
Sentence2: when the seasons change from the summer to the fall, sheep breed more.

Output: when


Input:
Sentence1: Plants exhibit phototropism, or growing toward a light source.
Sentence2: First, the sun is a brilliant source of white light.

Output: light


Input:
Sentence1: Plants exhibit phototropism, or growing toward a light source.
Sentence2: First, the sun is a brilliant source of white light.

Output: source


Input:
Sentence1: Neurons are the structural and functional units of the nervous system.
Sentence2: Botulism affects the nervous system.

Output: nervous


Input:
Sentence1: Neurons are the structural and functional units of the nervous system.
Sentence2: Botulism affects the nervous system.

Output: system


Input:
Sentence1: disease-causing microbes have a negative impact on the body.
Sentence2: Dangerous microbes are called pathogenic or disease causing.

Output: microbes


Input:
Sentence1: rain causes erosion.
Sentence2: Soil Erosion Soil erosion is what happens when soil is washed or blown away.

Output: erosion


Input:
Sentence1: changes in the pH of soil can cause plants to die.
Sentence2: Adding sulfer to soil can cause plants to die.

Output: die


Input:
Sentence1: changes in the pH of soil can cause plants to die.
Sentence2: Adding sulfer to soil can cause plants to die.

Output: plants


Input:
Sentence1: an earthquake causes the ground to shake.
Sentence2: shaking of the earths crust is called an earthquake.

Output: earthquake


Input:
Sentence1: DNA DNA is deoxyribonucleic acid.
Sentence2: characteristics that are encoded in deoxyribonucleic acid are called genetic traits.

Output: acid


Input:
Sentence1: DNA DNA is deoxyribonucleic acid.
Sentence2: characteristics that are encoded in deoxyribonucleic acid are called genetic traits.

Output: deoxyribonucleic


Input:
Sentence1: Invertebrates Among the invertebrates, the largest number of species are insects.
Sentence2: insects are animals that lack a vertebral column, or backbone.

Output: insects


Input:
Sentence1: Animals behave in a variety of ways which enhance their chances of survival and reproduction.
Sentence2: Animals with better senses have a positive chance of reproduction.

Output: Animals


Input:
Sentence1: Animals behave in a variety of ways which enhance their chances of survival and reproduction.
Sentence2: Animals with better senses have a positive chance of reproduction.

Output: chances


Input:
Sentence1: Animals behave in a variety of ways which enhance their chances of survival and reproduction.
Sentence2: Animals with better senses have a positive chance of reproduction.

Output: reproduction


Input:
Sentence1: Muscle contraction occurs when muscle fibers get shorter.
Sentence2: Fibers are oriented diagonally across fiber.

Output: fibers


Input:
Sentence1: a stove is used for cooking by generating heat.
Sentence2: Generation is the making of electricity.

Output: generating


Input:
Sentence1: Electrical energy is also energy.
Sentence2: a flashlight requires a source of energy to produce light.

Output: energy


Input:
Sentence1: Light energy can become heat energy and heat energy can become light energy.
Sentence2: chemical energy can become heat energy.

Output: become


Input:
Sentence1: Light energy can become heat energy and heat energy can become light energy.
Sentence2: chemical energy can become heat energy.

Output: energy


Input:
Sentence1: Light energy can become heat energy and heat energy can become light energy.
Sentence2: chemical energy can become heat energy.

Output: heat


Input:
Sentence1: Whale sharks are viviparous.
Sentence2: Whale sharks are therian mammals.

Output: Whale


Input:
Sentence1: Whale sharks are viviparous.
Sentence2: Whale sharks are therian mammals.

Output: sharks


Input:
Sentence1: Temperature Temperature is an measurement of the amount of heat.
Sentence2: Global warming is when heat worldwide increases.

Output: heat


Input:
Sentence1: Conifers are examples of gymnosperms.
Sentence2: Conifers are trees with woody trunks.

Output: Conifers


Input:
Sentence1: Birth may be followed by a period of parental care of the offspring.
Sentence2: a child being born may be followed by a period of parental care of the offspring.

Output: care


Input:
Sentence1: Birth may be followed by a period of parental care of the offspring.
Sentence2: a child being born may be followed by a period of parental care of the offspring.

Output: followed


Input:
Sentence1: Birth may be followed by a period of parental care of the offspring.
Sentence2: a child being born may be followed by a period of parental care of the offspring.

Output: offspring


Input:
Sentence1: Birth may be followed by a period of parental care of the offspring.
Sentence2: a child being born may be followed by a period of parental care of the offspring.

Output: parental


Input:
Sentence1: Birth may be followed by a period of parental care of the offspring.
Sentence2: a child being born may be followed by a period of parental care of the offspring.

Output: period


Input:
Sentence1: the Himalayas were formed by rock folding.
Sentence2: the Himalayas were formed by plate tectonics.

Output: Himalayas


Input:
Sentence1: the Himalayas were formed by rock folding.
Sentence2: the Himalayas were formed by plate tectonics.

Output: formed


Input:
Sentence1: Pencil graphite is black.
Sentence2: Pencil lead is from a black mineral.

Output: Pencil


Input:
Sentence1: Pencil graphite is black.
Sentence2: Pencil lead is from a black mineral.

Output: black


Input:
Sentence1: the color of leaves on deciduous trees usually changes in the autumn season.
Sentence2: A peachleaf willow changes colors in the autumn season.

Output: autumn


Input:
Sentence1: the color of leaves on deciduous trees usually changes in the autumn season.
Sentence2: A peachleaf willow changes colors in the autumn season.

Output: changes


Input:
Sentence1: the color of leaves on deciduous trees usually changes in the autumn season.
Sentence2: A peachleaf willow changes colors in the autumn season.

Output: season


Input:
Sentence1: Because they usually hunt for large animals, the wolves work together to catch their prey.
Sentence2: animals hunt prey in order to eat.

Output: animals


Input:
Sentence1: Because they usually hunt for large animals, the wolves work together to catch their prey.
Sentence2: animals hunt prey in order to eat.

Output: hunt


Input:
Sentence1: All matter, living and nonliving, is made up of atoms.
Sentence2: Viruses are made up of atoms.

Output: atoms


Input:
Sentence1: Differentiation is the process by which unspecialized cells become specialized.
Sentence2: Differentiation is the process by which neurones are created.

Output: Differentiation


Input:
Sentence1: Differentiation is the process by which unspecialized cells become specialized.
Sentence2: Differentiation is the process by which neurones are created.

Output: process


Input:
Sentence1: Differentiation is the process by which unspecialized cells become specialized.
Sentence2: Differentiation is the process by which neurones are created.

Output: which


Input:
Sentence1: Skids occur when the car's speed overcomes tire traction.
Sentence2: Braking and the car's speed overcoming traction causes cars to slide.

Output: traction


Input:
Sentence1: Thyroid hormones increase the rate of metabolism in cells throughout the body.
Sentence2: TSH, which is secreted by the pituitary gland, stimulates the thyroid gland to produce hormones.

Output: Thyroid


Input:
Sentence1: Menstruation occurs after the secretion of progesterone stops.
Sentence2: Menopause occurs when  secretion of progesterone stops.

Output: progesterone


Input:
Sentence1: Menstruation occurs after the secretion of progesterone stops.
Sentence2: Menopause occurs when  secretion of progesterone stops.

Output: secretion


Input:
Sentence1: harming an animal species has a negative impact on the population size of that species.
Sentence2: Small animals are harmed by pesticides.

Output: animal


Input:
Sentence1: harming an animal species has a negative impact on the population size of that species.
Sentence2: Small animals are harmed by pesticides.

Output: harming


Input:
Sentence1: Marine species live mainly in shallow coastal waters.
Sentence2: Killer whales prefer shallow and colder coastal waters.

Output: coastal


Input:
Sentence1: Marine species live mainly in shallow coastal waters.
Sentence2: Killer whales prefer shallow and colder coastal waters.

Output: shallow


Input:
Sentence1: Marine species live mainly in shallow coastal waters.
Sentence2: Killer whales prefer shallow and colder coastal waters.

Output: waters


Input:
Sentence1: nectar is used for attracting pollinators by plants.
Sentence2: Plants attract bees with the color of their flowers.

Output: attracting


Input:
Sentence1: nectar is used for attracting pollinators by plants.
Sentence2: Plants attract bees with the color of their flowers.

Output: plants


Input:
Sentence1: stomata closing reduces water loss.
Sentence2: More carbon dioxide means fewer stomata and vice versa.

Output: stomata


Input:
Sentence1: Behaviors that improve fitness increase through natural selection.
Sentence2: Natural selection is the mechanism of evolution.

Output: natural


Input:
Sentence1: Behaviors that improve fitness increase through natural selection.
Sentence2: Natural selection is the mechanism of evolution.

Output: selection


Input:
Sentence1: Evolution occurs by a process called natural selection.
Sentence2: Adaptation is the result of natural selection.

Output: natural


Input:
Sentence1: Evolution occurs by a process called natural selection.
Sentence2: Adaptation is the result of natural selection.

Output: selection


Input:
Sentence1: Bladder infections can be treated with antibiotics prescribed by a doctor.
Sentence2: People can be infected or killed by the bacteria.

Output: infections


Input:
Sentence1: Largest of the oceans on Earth is the Pacific Ocean .
Sentence2: The Pacific has marine biomes.

Output: Pacific


Input:
Sentence1: Algae have varied life cycles.
Sentence2: the simplest of green plants have varied life cycles.

Output: cycles


Input:
Sentence1: Algae have varied life cycles.
Sentence2: the simplest of green plants have varied life cycles.

Output: life


Input:
Sentence1: Algae have varied life cycles.
Sentence2: the simplest of green plants have varied life cycles.

Output: varied


Input:
Sentence1: Earthquakes are natural disasters.
Sentence2: earthquakes can cause animals to leave an environment.

Output: Earthquakes


Input:
Sentence1: cycles of freezing and thawing water cause ice wedging.
Sentence2: cycles of freezing and thawing water are common in high, cold latitudes,  can force soil particles together.

Output: cycles


Input:
Sentence1: cycles of freezing and thawing water cause ice wedging.
Sentence2: cycles of freezing and thawing water are common in high, cold latitudes,  can force soil particles together.

Output: freezing


Input:
Sentence1: cycles of freezing and thawing water cause ice wedging.
Sentence2: cycles of freezing and thawing water are common in high, cold latitudes,  can force soil particles together.

Output: thawing


Input:
Sentence1: cycles of freezing and thawing water cause ice wedging.
Sentence2: cycles of freezing and thawing water are common in high, cold latitudes,  can force soil particles together.

Output: water


Input:
Sentence1: heating an egg causes a chemical reaction in the egg.
Sentence2: Insects hatch from eggs.

Output: egg


Input:
Sentence1: Mangoes are propagated vegetatively and by seeds.
Sentence2: animals propagate mangoes.

Output: Mangoes


Input:
Sentence1: Mangoes are propagated vegetatively and by seeds.
Sentence2: animals propagate mangoes.

Output: propagated


Input:
Sentence1: cell division often causes growth.
Sentence2: Cancer often causes growth.

Output: causes


Input:
Sentence1: cell division often causes growth.
Sentence2: Cancer often causes growth.

Output: growth


Input:
Sentence1: an aquatic animal requires great amounts of water to survive.
Sentence2: An aquatic animal requires great amounts of water to live.

Output: animal


Input:
Sentence1: an aquatic animal requires great amounts of water to survive.
Sentence2: An aquatic animal requires great amounts of water to live.

Output: aquatic


Input:
Sentence1: an aquatic animal requires great amounts of water to survive.
Sentence2: An aquatic animal requires great amounts of water to live.

Output: water


Input:
Sentence1: sugar causes food to taste sweet.
Sentence2: Molasses Sugar Molasses Sugar is the darkest sugar of all.

Output: sugar


Input:
Sentence1: Nerve impulses are electrical in nature.
Sentence2: Stimulus is converted to electrical signals.

Output: electrical


Input:
Sentence1: Alluvial aquifers are the result of erosion.
Sentence2: Alluvial aquifers are created by wind and rain.

Output: Alluvial


Input:
Sentence1: Alluvial aquifers are the result of erosion.
Sentence2: Alluvial aquifers are created by wind and rain.

Output: aquifers


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

Output: implants


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

Output: uterus


Input:
Sentence1: Characteristics of Reptiles Reptiles have backbones.
Sentence2: Some species with backbones can go several weeks between meals.

Output: backbones


Input:
Sentence1: touch can be used for detecting texture.
Sentence2: Texture: rough, smooth.

Output: texture


Input:
Sentence1: Every frog starts as a tadpole.
Sentence2: skin is used for breathing air by tadpoles.

Output: tadpole


Input:
Sentence1: Feathers help birds fly and provide insulation.
Sentence2: All hawks are birds.

Output: birds


Input:
Sentence1: Vegetable plants grow better in full sunlight.
Sentence2: Vegetables require sunlight to grow.

Output: Vegetable


Input:
Sentence1: a radio converts electrical energy into vibrations.
Sentence2: a radio converts the flow of electrons into vibrations.

Output: converts


Input:
Sentence1: a radio converts electrical energy into vibrations.
Sentence2: a radio converts the flow of electrons into vibrations.

Output: radio


Input:
Sentence1: a radio converts electrical energy into vibrations.
Sentence2: a radio converts the flow of electrons into vibrations.

Output: vibrations


Input:
Sentence1: Courtship is behavior that is intended to attract a mate.
Sentence2: Birds secrete estrogen to attract a mate.

Output: attract


Input:
Sentence1: Courtship is behavior that is intended to attract a mate.
Sentence2: Birds secrete estrogen to attract a mate.

Output: mate


Input:
Sentence1: Marine life refers to the species of animals, plants, and other organisms that live in the ocean.
Sentence2: Animals and plants that live in the ocean live mainly in shallow coastal waters.

Output: animals


Input:
Sentence1: Marine life refers to the species of animals, plants, and other organisms that live in the ocean.
Sentence2: Animals and plants that live in the ocean live mainly in shallow coastal waters.

Output: ocean


Input:
Sentence1: Marine life refers to the species of animals, plants, and other organisms that live in the ocean.
Sentence2: Animals and plants that live in the ocean live mainly in shallow coastal waters.

Output: plants


Input:
Sentence1: recycling has a positive impact on the environment.
Sentence2: What's more, paper bags are recyclable themselves.

Output: recycling


Input:
Sentence1: All cnidarians are aquatic.
Sentence2: Aquatic creatures live in the water, for example.

Output: aquatic


Input:
Sentence1: the ovaries are used in reproduction.
Sentence2: Ovulation is the release of an egg from an ovary.

Output: ovaries


Input:
Sentence1: Batteries are a better source of DC electricity.
Sentence2: a flashlight requires batteries to produce light.

Output: Batteries


Input:
Sentence1: Rivers, rainwater, well water and most lakes contain fresh water.
Sentence2: canyons are formed by rainwater.

Output: rainwater


Input:
Sentence1: Although a diamond is the hardest substance known to man, it can be chipped or scratched.
Sentence2: measuring the hardness of minerals requires chipping those materials.

Output: chipped


Input:
Sentence1: if gas is heated then that gas will expand.
Sentence2: When a gas expands, it cools off.

Output: expand


Input:
Sentence1: Refrigerate cold foods at 40 degrees F or lower until serving time.
Sentence2: Keeping food at 40 degrees F or lower is used for keeping food fresh.

Output: 40


Input:
Sentence1: Refrigerate cold foods at 40 degrees F or lower until serving time.
Sentence2: Keeping food at 40 degrees F or lower is used for keeping food fresh.

Output: F


Input:
Sentence1: Refrigerate cold foods at 40 degrees F or lower until serving time.
Sentence2: Keeping food at 40 degrees F or lower is used for keeping food fresh.

Output: degrees


Input:
Sentence1: Refrigerate cold foods at 40 degrees F or lower until serving time.
Sentence2: Keeping food at 40 degrees F or lower is used for keeping food fresh.

Output: lower


Input:
Sentence1: Refrigerate cold foods at 40 degrees F or lower until serving time.
Sentence2: Keeping food at 40 degrees F or lower is used for keeping food fresh.

Output: or


Input:
Sentence1: Fireworks that only make a loud noise are called firecrackers.
Sentence2: firecrackers can cause animals to startle.

Output: firecrackers


Input:
Sentence1: Most reptiles have good eyesight and a keen sense of smell.
Sentence2: Bats have good eyesight and rely on vision for long-distance orientation.

Output: eyesight


Input:
Sentence1: Most reptiles have good eyesight and a keen sense of smell.
Sentence2: Bats have good eyesight and rely on vision for long-distance orientation.

Output: good


Input:
Sentence1: True False Fight or flight are extreme responses to stress.
Sentence2: threatening behavior causes stress in animals.

Output: stress


Input:
Sentence1: Light energy is converted into heat energy.
Sentence2: electrical energy  is converted into heat energy.

Output: converted


Input:
Sentence1: Light energy is converted into heat energy.
Sentence2: electrical energy  is converted into heat energy.

Output: energy


Input:
Sentence1: Light energy is converted into heat energy.
Sentence2: electrical energy  is converted into heat energy.

Output: heat


Input:
Sentence1: Shivering occurs when many muscles contract a little bit all at once.
Sentence2: Shivering causes muscle contractions to warm the body.

Output: muscles


Input:
Sentence1: the volume of an object can be used to describe the size of that object.
Sentence2: the volume of an object can be used to describe the dimensions of that object.

Output: describe


Input:
Sentence1: the volume of an object can be used to describe the size of that object.
Sentence2: the volume of an object can be used to describe the dimensions of that object.

Output: object


Input:
Sentence1: the volume of an object can be used to describe the size of that object.
Sentence2: the volume of an object can be used to describe the dimensions of that object.

Output: that


Input:
Sentence1: the volume of an object can be used to describe the size of that object.
Sentence2: the volume of an object can be used to describe the dimensions of that object.

Output: used


Input:
Sentence1: the volume of an object can be used to describe the size of that object.
Sentence2: the volume of an object can be used to describe the dimensions of that object.

Output: volume


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: the immune system can recognize cancer as foreign to the body.

Output: body


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: the immune system can recognize cancer as foreign to the body.

Output: foreign


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: the immune system can recognize cancer as foreign to the body.

Output: immune


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: the immune system can recognize cancer as foreign to the body.

Output: recognizes


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: the immune system can recognize cancer as foreign to the body.

Output: system


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: Acid rain can destroy soil.

Output: acid


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: Acid rain can destroy soil.

Output: rain


Input:
Sentence1: Earthworms crawl through the soil, eating sediments or dirt directly.
Sentence2: Earthworms eat dirt, which is good for plants.

Output: dirt


Input:
Sentence1: Earthworms crawl through the soil, eating sediments or dirt directly.
Sentence2: Earthworms eat dirt, which is good for plants.

Output: eating


Input:
Sentence1: Most soil is made of weathered rocks.
Sentence2: Most soil is made from rocks breaking down.

Output: Most


Input:
Sentence1: Most soil is made of weathered rocks.
Sentence2: Most soil is made from rocks breaking down.

Output: made


Input:
Sentence1: Most soil is made of weathered rocks.
Sentence2: Most soil is made from rocks breaking down.

Output: soil


Input:
Sentence1: Incandescent lights heat a metal filament that radiates light inside a glass bulb.
Sentence2: Incandescent lights heating a metal filament are used for seeing in the dark.

Output: Incandescent


Input:
Sentence1: Incandescent lights heat a metal filament that radiates light inside a glass bulb.
Sentence2: Incandescent lights heating a metal filament are used for seeing in the dark.

Output: a


Input:
Sentence1: Incandescent lights heat a metal filament that radiates light inside a glass bulb.
Sentence2: Incandescent lights heating a metal filament are used for seeing in the dark.

Output: filament


Input:
Sentence1: Incandescent lights heat a metal filament that radiates light inside a glass bulb.
Sentence2: Incandescent lights heating a metal filament are used for seeing in the dark.

Output: heat


Input:
Sentence1: Incandescent lights heat a metal filament that radiates light inside a glass bulb.
Sentence2: Incandescent lights heating a metal filament are used for seeing in the dark.

Output: lights


Input:
Sentence1: Incandescent lights heat a metal filament that radiates light inside a glass bulb.
Sentence2: Incandescent lights heating a metal filament are used for seeing in the dark.

Output: metal


Input:
Sentence1: Constriction occurs when the muscular walls of blood vessels contract.
Sentence2: Tight squeezing ccurs when the muscular walls of blood vessels contract.

Output: blood


Input:
Sentence1: Constriction occurs when the muscular walls of blood vessels contract.
Sentence2: Tight squeezing ccurs when the muscular walls of blood vessels contract.

Output: contract


Input:
Sentence1: Constriction occurs when the muscular walls of blood vessels contract.
Sentence2: Tight squeezing ccurs when the muscular walls of blood vessels contract.

Output: muscular


Input:
Sentence1: Constriction occurs when the muscular walls of blood vessels contract.
Sentence2: Tight squeezing ccurs when the muscular walls of blood vessels contract.

Output: occurs


Input:
Sentence1: Constriction occurs when the muscular walls of blood vessels contract.
Sentence2: Tight squeezing ccurs when the muscular walls of blood vessels contract.

Output: vessels


Input:
Sentence1: Constriction occurs when the muscular walls of blood vessels contract.
Sentence2: Tight squeezing ccurs when the muscular walls of blood vessels contract.

Output: walls


Input:
Sentence1: Constriction occurs when the muscular walls of blood vessels contract.
Sentence2: Tight squeezing ccurs when the muscular walls of blood vessels contract.

Output: when


Input:
Sentence1: a cavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone.
Sentence2: Carbon dioxide dissolved in rainwater forms carbonic acid.

Output: acid


Input:
Sentence1: a cavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone.
Sentence2: Carbon dioxide dissolved in rainwater forms carbonic acid.

Output: carbonic


Input:
Sentence1: Elephants are the largest land animals.
Sentence2: lungs are used for breathing air by elephants.

Output: Elephants


Input:
Sentence1: All bears are covered with heavy fur.
Sentence2: bears can keep warm.

Output: bears


Input:
Sentence1: Serious side effects resulting from vaccination are extremely rare.
Sentence2: Vaccination leads to immunity and extremely rarely with serious side effects.

Output: Serious


Input:
Sentence1: Serious side effects resulting from vaccination are extremely rare.
Sentence2: Vaccination leads to immunity and extremely rarely with serious side effects.

Output: effects


Input:
Sentence1: Serious side effects resulting from vaccination are extremely rare.
Sentence2: Vaccination leads to immunity and extremely rarely with serious side effects.

Output: extremely


Input:
Sentence1: Serious side effects resulting from vaccination are extremely rare.
Sentence2: Vaccination leads to immunity and extremely rarely with serious side effects.

Output: rare


Input:
Sentence1: Serious side effects resulting from vaccination are extremely rare.
Sentence2: Vaccination leads to immunity and extremely rarely with serious side effects.

Output: side


Input:
Sentence1: Serious side effects resulting from vaccination are extremely rare.
Sentence2: Vaccination leads to immunity and extremely rarely with serious side effects.

Output: vaccination


Input:
Sentence1: Humans are a domesticated species.
Sentence2: communities consist of populations of humans.

Output: Humans


Input:
Sentence1: an animal requires air for survival.
Sentence2: It is breathed in by animals and restored to the air by the photosynthesis mechanism of plants.

Output: air


Input:
Sentence1: Dormancy is an adaptation that improves the chances of surviving until warm temperatures return.
Sentence2: Animals use dormancy to improve the chances of surviving.

Output: Dormancy


Input:
Sentence1: Dormancy is an adaptation that improves the chances of surviving until warm temperatures return.
Sentence2: Animals use dormancy to improve the chances of surviving.

Output: chances


Input:
Sentence1: Dormancy is an adaptation that improves the chances of surviving until warm temperatures return.
Sentence2: Animals use dormancy to improve the chances of surviving.

Output: improves


Input:
Sentence1: Petals attract pollinators to the flower.
Sentence2: Something a daisy has attracts pollinators.

Output: attract


Input:
Sentence1: Petals attract pollinators to the flower.
Sentence2: Something a daisy has attracts pollinators.

Output: pollinators


Input:
Sentence1: Rivers flow downhill due to gravity.
Sentence2: most canyons are formed due to gravity through erosion.

Output: due


Input:
Sentence1: Rivers flow downhill due to gravity.
Sentence2: most canyons are formed due to gravity through erosion.

Output: gravity


Input:
Sentence1: Some examples of invertebrates are arthropods.
Sentence2: some invertebrates are insects.

Output: invertebrates


Input:
Sentence1: Beaks and bills Instead of a mouth, birds have a hard beak or bill.
Sentence2: A bill is used for catching prey by some birds.

Output: bills


Input:
Sentence1: an earthquake causes the ground to shake.
Sentence2: landslides are caused by earthquakes.

Output: earthquake


Input:
Sentence1: cold fronts cause thunderstorms as they pass by.
Sentence2: Cold fronts cause lightning.

Output: cold


Input:
Sentence1: cold fronts cause thunderstorms as they pass by.
Sentence2: Cold fronts cause lightning.

Output: fronts


Input:
Sentence1: Animals adapt to cold temperatures.
Sentence2: Animals adapt to cold, wet weather.

Output: Animals


Input:
Sentence1: Animals adapt to cold temperatures.
Sentence2: Animals adapt to cold, wet weather.

Output: adapt


Input:
Sentence1: Animals adapt to cold temperatures.
Sentence2: Animals adapt to cold, wet weather.

Output: cold


Input:
Sentence1: Gold is an excellent conductor of electricity.
Sentence2: wiring can be made of gold.

Output: Gold


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: Light bulbs are used to avoid stumbling around in basements.

Output: bulb


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: Light bulbs are used to avoid stumbling around in basements.

Output: light


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: Light bulbs are used to avoid stumbling around in basements.

Output: used


Input:
Sentence1: Water vapor is a gas in the air.
Sentence2: a gas in the air condensing in clouds causes rain.

Output: air


Input:
Sentence1: Water vapor is a gas in the air.
Sentence2: a gas in the air condensing in clouds causes rain.

Output: gas


Input:
Sentence1: Water vapor is a gas in the air.
Sentence2: a gas in the air condensing in clouds causes rain.

Output: in


Input:
Sentence1: Water vapor is a gas in the air.
Sentence2: a gas in the air condensing in clouds causes rain.

Output: the


Input:
Sentence1: Penguins are a type of birds.
Sentence2: penguins are endothermic tetrapod vertebrates.

Output: Penguins


Input:
Sentence1: soil erosion means soil loss through wind.
Sentence2: Hurricanes are made of wind.

Output: wind


Input:
Sentence1: Waldron buckles with lead foil made up the seat belts.
Sentence2: Waldron buckles with lead are used to prevent injuries to passengers in cars.

Output: Waldron


Input:
Sentence1: Waldron buckles with lead foil made up the seat belts.
Sentence2: Waldron buckles with lead are used to prevent injuries to passengers in cars.

Output: buckles


Input:
Sentence1: Waldron buckles with lead foil made up the seat belts.
Sentence2: Waldron buckles with lead are used to prevent injuries to passengers in cars.

Output: lead


Input:
Sentence1: Sight is the ability to sense light, and the eye is the organ that senses light.
Sentence2: sensing light requires the brain.

Output: light


Input:
Sentence1: Sight is the ability to sense light, and the eye is the organ that senses light.
Sentence2: sensing light requires the brain.

Output: sense


Input:
Sentence1: Stimuli are detected by sensory nerve cells.
Sentence2: sensory nerve cells can be inhibited to induce sleep.

Output: cells


Input:
Sentence1: Stimuli are detected by sensory nerve cells.
Sentence2: sensory nerve cells can be inhibited to induce sleep.

Output: nerve


Input:
Sentence1: Stimuli are detected by sensory nerve cells.
Sentence2: sensory nerve cells can be inhibited to induce sleep.

Output: sensory


Input:
Sentence1: If the plant is green, it is a producer.
Sentence2: Consumers take in food by eating plants and other living things.

Output: plant


Input:
Sentence1: Fish are backboned aquatic animals.
Sentence2: fish require great amounts of water to survive.

Output: Fish


Input:
Sentence1: Eagles are a big bird.
Sentence2: feathers help eagles fly.

Output: Eagles


Input:
Sentence1: Heat is Energy and is measured in Joules.
Sentence2: boiling means changing from liquid to a gas by adding joules.

Output: Joules


Input:
Sentence1: Heat is Energy and is measured in Joules.
Sentence2: boiling means changing from liquid to a gas by adding joules.

Output: measured


Input:
Sentence1: Lancelets are small fishlike animals with tapered bodies.
Sentence2: small fishlike animals with tapered bodies are free-swimming.

Output: animals


Input:
Sentence1: Lancelets are small fishlike animals with tapered bodies.
Sentence2: small fishlike animals with tapered bodies are free-swimming.

Output: bodies


Input:
Sentence1: Lancelets are small fishlike animals with tapered bodies.
Sentence2: small fishlike animals with tapered bodies are free-swimming.

Output: fishlike


Input:
Sentence1: Lancelets are small fishlike animals with tapered bodies.
Sentence2: small fishlike animals with tapered bodies are free-swimming.

Output: small


Input:
Sentence1: Lancelets are small fishlike animals with tapered bodies.
Sentence2: small fishlike animals with tapered bodies are free-swimming.

Output: tapered


Input:
Sentence1: Temperature Temperature is an measurement of the amount of heat.
Sentence2: some touch receptors sense differences in the amount of heat.

Output: amount


Input:
Sentence1: Temperature Temperature is an measurement of the amount of heat.
Sentence2: some touch receptors sense differences in the amount of heat.

Output: heat


Input:
Sentence1: exercise has a positive impact on a human 's health.
Sentence2: Exercise can help change that by moving their glucose into their muscles.

Output: exercise


Input:
Sentence1: Music is sound, sound is energy.
Sentence2: when music reaches the ear, it can be heard.

Output: Music


Input:
Sentence1: Running water is better able to dissolve oxygen and nutrients than standing water.
Sentence2: Large, warm rivers hold populations but few occur in cold running water.

Output: Running


Input:
Sentence1: Running water is better able to dissolve oxygen and nutrients than standing water.
Sentence2: Large, warm rivers hold populations but few occur in cold running water.

Output: water


Input:
Sentence1: plasma is formed by electrons separating from atoms in stars.
Sentence2: Electrons separating from atoms in certain bright astronomical objects forms plasma.

Output: atoms