Input:
Sentence1: Plasma cells are activated B cells that secrete antibodies.
Sentence2: Plasma cells are activated B cells that secrete warriors.

Output: B


Input:
Sentence1: Plasma cells are activated B cells that secrete antibodies.
Sentence2: Plasma cells are activated B cells that secrete warriors.

Output: Plasma


Input:
Sentence1: Plasma cells are activated B cells that secrete antibodies.
Sentence2: Plasma cells are activated B cells that secrete warriors.

Output: activated


Input:
Sentence1: Plasma cells are activated B cells that secrete antibodies.
Sentence2: Plasma cells are activated B cells that secrete warriors.

Output: cells


Input:
Sentence1: Plasma cells are activated B cells that secrete antibodies.
Sentence2: Plasma cells are activated B cells that secrete warriors.

Output: secrete


Input:
Sentence1: Erosion happens when water or wind wears away bits of rock.
Sentence2: erosion causes weathering over long periods of time.

Output: Erosion


Input:
Sentence1: an animal requires warmth for survival.
Sentence2: cows require warmth for survival.

Output: requires


Input:
Sentence1: an animal requires warmth for survival.
Sentence2: cows require warmth for survival.

Output: survival


Input:
Sentence1: an animal requires warmth for survival.
Sentence2: cows require warmth for survival.

Output: warmth


Input:
Sentence1: Invertebrates are animals who lack a backbone or spinal column.
Sentence2: vertebrates have a spinal column.

Output: column


Input:
Sentence1: Invertebrates are animals who lack a backbone or spinal column.
Sentence2: vertebrates have a spinal column.

Output: spinal


Input:
Sentence1: Absorption of nutrients occurs mainly in the small intestine.
Sentence2: Absorption of magnesium occurs in the GI tract.

Output: Absorption


Input:
Sentence1: Absorption of nutrients occurs mainly in the small intestine.
Sentence2: Absorption of magnesium occurs in the GI tract.

Output: occurs


Input:
Sentence1: Condensations is a warming process.
Sentence2: Clouds form from a warming process.

Output: process


Input:
Sentence1: Condensations is a warming process.
Sentence2: Clouds form from a warming process.

Output: warming


Input:
Sentence1: Shelter or cover is a prime factor.
Sentence2: Habitat destruction causes animals to move to find cover in another habitat.

Output: cover


Input:
Sentence1: First the frog lays the eggs, then the warmth from the sun makes the eggs hatch into baby tadpoles.
Sentence2: sun keeps eggs warm.

Output: sun


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

Output: dimensions


Input:
Sentence1: Coral Reefs Coral reefs are widely distributed in warm shallow waters.
Sentence2: warm shallow waters provide food and shelter to many ocean organisms.

Output: shallow


Input:
Sentence1: Coral Reefs Coral reefs are widely distributed in warm shallow waters.
Sentence2: warm shallow waters provide food and shelter to many ocean organisms.

Output: warm


Input:
Sentence1: Coral Reefs Coral reefs are widely distributed in warm shallow waters.
Sentence2: warm shallow waters provide food and shelter to many ocean organisms.

Output: waters


Input:
Sentence1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants.
Sentence2: A transportation fuel is produced by alcoholic fermentation of the glucose in corn or other plants.

Output: alcoholic


Input:
Sentence1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants.
Sentence2: A transportation fuel is produced by alcoholic fermentation of the glucose in corn or other plants.

Output: corn


Input:
Sentence1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants.
Sentence2: A transportation fuel is produced by alcoholic fermentation of the glucose in corn or other plants.

Output: fermentation


Input:
Sentence1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants.
Sentence2: A transportation fuel is produced by alcoholic fermentation of the glucose in corn or other plants.

Output: glucose


Input:
Sentence1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants.
Sentence2: A transportation fuel is produced by alcoholic fermentation of the glucose in corn or other plants.

Output: other


Input:
Sentence1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants.
Sentence2: A transportation fuel is produced by alcoholic fermentation of the glucose in corn or other plants.

Output: plants


Input:
Sentence1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants.
Sentence2: A transportation fuel is produced by alcoholic fermentation of the glucose in corn or other plants.

Output: produced


Input:
Sentence1: Hormones are produced in Endocrine Glands .
Sentence2: Pituitary hormones are controlled and produced in glands.

Output: Glands


Input:
Sentence1: Bees are the main pollinator.
Sentence2: Plants attract bees with nectar.

Output: Bees


Input:
Sentence1: Insulin helps cells take up glucose from the blood.
Sentence2: The pancreas makes something that helps cells take up glucose from the blood.

Output: blood


Input:
Sentence1: Insulin helps cells take up glucose from the blood.
Sentence2: The pancreas makes something that helps cells take up glucose from the blood.

Output: cells


Input:
Sentence1: Insulin helps cells take up glucose from the blood.
Sentence2: The pancreas makes something that helps cells take up glucose from the blood.

Output: from


Input:
Sentence1: Insulin helps cells take up glucose from the blood.
Sentence2: The pancreas makes something that helps cells take up glucose from the blood.

Output: glucose


Input:
Sentence1: Insulin helps cells take up glucose from the blood.
Sentence2: The pancreas makes something that helps cells take up glucose from the blood.

Output: helps


Input:
Sentence1: Insulin helps cells take up glucose from the blood.
Sentence2: The pancreas makes something that helps cells take up glucose from the blood.

Output: take


Input:
Sentence1: Insulin helps cells take up glucose from the blood.
Sentence2: The pancreas makes something that helps cells take up glucose from the blood.

Output: up


Input:
Sentence1: When iron oxidizes, it rusts.
Sentence2: Chemical weathering causes iron to rust.

Output: iron


Input:
Sentence1: When iron oxidizes, it rusts.
Sentence2: Chemical weathering causes iron to rust.

Output: rusts


Input:
Sentence1: an organism requires energy for growth.
Sentence2: An organism requires energy for a healthy personality.

Output: energy


Input:
Sentence1: an organism requires energy for growth.
Sentence2: An organism requires energy for a healthy personality.

Output: organism


Input:
Sentence1: an organism requires energy for growth.
Sentence2: An organism requires energy for a healthy personality.

Output: requires


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

Output: shake


Input:
Sentence1: Immunity results from immunization.
Sentence2: Oxygen deprivation in cells result in weakness.

Output: results


Input:
Sentence1: Every kid has a bicep and a tricep muscle that is visible.
Sentence2: muscle contracting causes a person 's elbow to straighten.

Output: muscle


Input:
Sentence1: rain causes erosion.
Sentence2: rain can cause landslides.

Output: rain


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

Output: energy


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

Output: heat


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: Transpiration is when water vapor moves from plants into the blanket of air around the earth.

Output: from


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: Transpiration is when water vapor moves from plants into the blanket of air around the earth.

Output: into


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: Transpiration is when water vapor moves from plants into the blanket of air around the earth.

Output: moves


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: Transpiration is when water vapor moves from plants into the blanket of air around the earth.

Output: plants


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: Transpiration is when water vapor moves from plants into the blanket of air around the earth.

Output: transpiration


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: Transpiration is when water vapor moves from plants into the blanket of air around the earth.

Output: vapor


Input:
Sentence1: transpiration is when water vapor moves from plants into the atmosphere.
Sentence2: Transpiration is when water vapor moves from plants into the blanket of air around the earth.

Output: water


Input:
Sentence1: Gene flow tends to decrease differentiation.
Sentence2: decreased differentiation tends to occur when individuals move into or out of a population.

Output: decrease


Input:
Sentence1: Gene flow tends to decrease differentiation.
Sentence2: decreased differentiation tends to occur when individuals move into or out of a population.

Output: differentiation


Input:
Sentence1: Gene flow tends to decrease differentiation.
Sentence2: decreased differentiation tends to occur when individuals move into or out of a population.

Output: tends


Input:
Sentence1: if a tree falls then sunlight becomes available to the surrounding plants.
Sentence2: When a big tree falls, sunlight shines on smaller plants and they get a chance to grow.

Output: sunlight


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Many corals secrete a hard outer covering that builds up to become a coral reef.

Output: Many


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Many corals secrete a hard outer covering that builds up to become a coral reef.

Output: a


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Many corals secrete a hard outer covering that builds up to become a coral reef.

Output: an


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Many corals secrete a hard outer covering that builds up to become a coral reef.

Output: become


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Many corals secrete a hard outer covering that builds up to become a coral reef.

Output: builds


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Many corals secrete a hard outer covering that builds up to become a coral reef.

Output: coral


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Many corals secrete a hard outer covering that builds up to become a coral reef.

Output: corals


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Many corals secrete a hard outer covering that builds up to become a coral reef.

Output: reef


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Many corals secrete a hard outer covering that builds up to become a coral reef.

Output: secrete


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Many corals secrete a hard outer covering that builds up to become a coral reef.

Output: that


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Many corals secrete a hard outer covering that builds up to become a coral reef.

Output: to


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Many corals secrete a hard outer covering that builds up to become a coral reef.

Output: up


Input:
Sentence1: irradiating food can be used to kill existing microorganisms in the food.
Sentence2: Irradiated food improves food safety.

Output: food


Input:
Sentence1: Antibodies are produced to fight antigens.
Sentence2: plasma cells secrete antigen fighters.

Output: antigens


Input:
Sentence1: Antibodies are produced to fight antigens.
Sentence2: plasma cells secrete antigen fighters.

Output: fight


Input:
Sentence1: Mollusks are a major food source for other organisms, including humans.
Sentence2: Many organisms are omnivores with variable diets.

Output: organisms


Input:
Sentence1: changes in the pH of soil can cause plants to die.
Sentence2: changes in soil pH rob humans of nutrients.

Output: changes


Input:
Sentence1: changes in the pH of soil can cause plants to die.
Sentence2: changes in soil pH rob humans of nutrients.

Output: pH


Input:
Sentence1: a greenhouse is used to protect plants from the cold.
Sentence2: Glass can be used to protect plants from cold.

Output: cold


Input:
Sentence1: a greenhouse is used to protect plants from the cold.
Sentence2: Glass can be used to protect plants from cold.

Output: plants


Input:
Sentence1: a greenhouse is used to protect plants from the cold.
Sentence2: Glass can be used to protect plants from cold.

Output: protect


Input:
Sentence1: Birds have relatively large brains and a high level of intelligence.
Sentence2: Birds have relatively large skulls and a high level of intelligence.

Output: Birds


Input:
Sentence1: Birds have relatively large brains and a high level of intelligence.
Sentence2: Birds have relatively large skulls and a high level of intelligence.

Output: have


Input:
Sentence1: Birds have relatively large brains and a high level of intelligence.
Sentence2: Birds have relatively large skulls and a high level of intelligence.

Output: high


Input:
Sentence1: Birds have relatively large brains and a high level of intelligence.
Sentence2: Birds have relatively large skulls and a high level of intelligence.

Output: intelligence


Input:
Sentence1: Birds have relatively large brains and a high level of intelligence.
Sentence2: Birds have relatively large skulls and a high level of intelligence.

Output: large


Input:
Sentence1: Birds have relatively large brains and a high level of intelligence.
Sentence2: Birds have relatively large skulls and a high level of intelligence.

Output: level


Input:
Sentence1: Birds have relatively large brains and a high level of intelligence.
Sentence2: Birds have relatively large skulls and a high level of intelligence.

Output: relatively


Input:
Sentence1: a barometer is used to measure air pressure.
Sentence2: Air pressure is a measure of the weight of the air.

Output: air


Input:
Sentence1: a barometer is used to measure air pressure.
Sentence2: Air pressure is a measure of the weight of the air.

Output: measure


Input:
Sentence1: a barometer is used to measure air pressure.
Sentence2: Air pressure is a measure of the weight of the air.

Output: pressure


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

Output: clear


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

Output: weather


Input:
Sentence1: Filter feeders feed on the detritus and the detrital organisms.
Sentence2: Sponges feed on the detritus and the detrital organisms.

Output: and


Input:
Sentence1: Filter feeders feed on the detritus and the detrital organisms.
Sentence2: Sponges feed on the detritus and the detrital organisms.

Output: detrital


Input:
Sentence1: Filter feeders feed on the detritus and the detrital organisms.
Sentence2: Sponges feed on the detritus and the detrital organisms.

Output: detritus


Input:
Sentence1: Filter feeders feed on the detritus and the detrital organisms.
Sentence2: Sponges feed on the detritus and the detrital organisms.

Output: feed


Input:
Sentence1: Filter feeders feed on the detritus and the detrital organisms.
Sentence2: Sponges feed on the detritus and the detrital organisms.

Output: on


Input:
Sentence1: Filter feeders feed on the detritus and the detrital organisms.
Sentence2: Sponges feed on the detritus and the detrital organisms.

Output: organisms


Input:
Sentence1: Filter feeders feed on the detritus and the detrital organisms.
Sentence2: Sponges feed on the detritus and the detrital organisms.

Output: the


Input:
Sentence1: Aging is associated with the death of cells.
Sentence2: Telomeres degrade as the cells divide and their shortening causes cell death.

Output: cells


Input:
Sentence1: Aging is associated with the death of cells.
Sentence2: Telomeres degrade as the cells divide and their shortening causes cell death.

Output: death


Input:
Sentence1: Puberty is the period during which humans become sexually mature.
Sentence2: Wet dreams are a sign of puberty.

Output: Puberty


Input:
Sentence1: And, Nunes says, some drivers tend to drive faster when they're distracted.
Sentence2: Using cell phones can cause people to drive faster.

Output: drive


Input:
Sentence1: And, Nunes says, some drivers tend to drive faster when they're distracted.
Sentence2: Using cell phones can cause people to drive faster.

Output: faster


Input:
Sentence1: Population size influences the chances of a species surviving.
Sentence2: population size influences the chances of flowers surviving.

Output: Population


Input:
Sentence1: Population size influences the chances of a species surviving.
Sentence2: population size influences the chances of flowers surviving.

Output: chances


Input:
Sentence1: Population size influences the chances of a species surviving.
Sentence2: population size influences the chances of flowers surviving.

Output: influences


Input:
Sentence1: Population size influences the chances of a species surviving.
Sentence2: population size influences the chances of flowers surviving.

Output: size


Input:
Sentence1: Population size influences the chances of a species surviving.
Sentence2: population size influences the chances of flowers surviving.

Output: surviving


Input:
Sentence1: Skin color is a polygenic trait.
Sentence2: Many polygenic traits are also influenced by environmental factors.

Output: polygenic


Input:
Sentence1: Fe is the periodic symbol for Iron.
Sentence2: Chemical weathering causes FE in rock to oxidize.

Output: Fe


Input:
Sentence1: Dehydration is the removal of water.
Sentence2: Removing water preserves food.

Output: removal


Input:
Sentence1: Dehydration is the removal of water.
Sentence2: Removing water preserves food.

Output: water


Input:
Sentence1: a pesticide is used for protecting plants by killing insects.
Sentence2: Pesticides protect crops from being eaten by pests.

Output: pesticide


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

Output: animal


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

Output: body


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

Output: temperature


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

Output: warm


Input:
Sentence1: Skin is the body's largest organ.
Sentence2: Pressure receptors are found mainly in the body's largest organ.

Output: body's


Input:
Sentence1: Skin is the body's largest organ.
Sentence2: Pressure receptors are found mainly in the body's largest organ.

Output: largest


Input:
Sentence1: Skin is the body's largest organ.
Sentence2: Pressure receptors are found mainly in the body's largest organ.

Output: organ


Input:
Sentence1: Female monotremes lack a uterus and vagina.
Sentence2: Babies are normally delivered from the uterus through the vagina.

Output: uterus


Input:
Sentence1: Female monotremes lack a uterus and vagina.
Sentence2: Babies are normally delivered from the uterus through the vagina.

Output: vagina


Input:
Sentence1: condensing causes a liquid to form.
Sentence2: Vapors are cooled and condensed into liquid.

Output: condensing


Input:
Sentence1: Hagfish are noted for secreting large amounts of thick, slimy mucus.
Sentence2: Some living jawless fish are noted for secreting large amounts of thick, slimy mucus.

Output: amounts


Input:
Sentence1: Hagfish are noted for secreting large amounts of thick, slimy mucus.
Sentence2: Some living jawless fish are noted for secreting large amounts of thick, slimy mucus.

Output: large


Input:
Sentence1: Hagfish are noted for secreting large amounts of thick, slimy mucus.
Sentence2: Some living jawless fish are noted for secreting large amounts of thick, slimy mucus.

Output: mucus


Input:
Sentence1: Birds have a large brain relative to the size of their body.
Sentence2: BIRD Birds have feathers and wings.

Output: Birds


Input:
Sentence1: Energy is passed up a food chain or web from lower to higher trophic levels.
Sentence2: Each trophic level has less biomass and a loss of energy content.

Output: trophic


Input:
Sentence1: Energy produced by the sun in the form of heat and light is called solar energy.
Sentence2: the Earth being tilted on its axis causes ones side to receive less heat and light.

Output: heat


Input:
Sentence1: Energy produced by the sun in the form of heat and light is called solar energy.
Sentence2: the Earth being tilted on its axis causes ones side to receive less heat and light.

Output: light


Input:
Sentence1: For example, the nuclear membrane keeps the DNA inside of the nucleus.
Sentence2: RNA is a small molecule that can squeeze through pores of the nucleus that holds DNA.

Output: DNA


Input:
Sentence1: For example, the nuclear membrane keeps the DNA inside of the nucleus.
Sentence2: RNA is a small molecule that can squeeze through pores of the nucleus that holds DNA.

Output: nucleus


Input:
Sentence1: an animal requires warmth for survival.
Sentence2: Vegetation is required by many animals for warmth and security.

Output: warmth


Input:
Sentence1: Water is made up of H2O molecules.
Sentence2: h2o beads are formed by h2o vapor condensing.

Output: H2O


Input:
Sentence1: landfills have a negative impact on the environment.
Sentence2: Life affects environment, environment affects life.

Output: environment


Input:
Sentence1: Protective hair grows between the toes.
Sentence2: toes are insulated by hair.

Output: toes


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

Output: cummerbund-like


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

Output: enlarged


Input:
Sentence1: Penetration is when the sperm and egg meet and the sperm makes it way into the egg cytoplasm.
Sentence2: fertilization requires penetration.

Output: Penetration


Input:
Sentence1: sunlight and rain can cause a rainbow.
Sentence2: Cold fronts can cause a rainbow.

Output: rainbow


Input:
Sentence1: An ecosystem is like a neighborhood in nature.
Sentence2: A wildfire changes a neighborhood in nature drastically.

Output: nature


Input:
Sentence1: An ecosystem is like a neighborhood in nature.
Sentence2: A wildfire changes a neighborhood in nature drastically.

Output: neighborhood


Input:
Sentence1: electrical current running through a wire causes that wire to heat up.
Sentence2: High currents waste energy by heating up the wire.

Output: heat


Input:
Sentence1: electrical current running through a wire causes that wire to heat up.
Sentence2: High currents waste energy by heating up the wire.

Output: up


Input:
Sentence1: electrical current running through a wire causes that wire to heat up.
Sentence2: High currents waste energy by heating up the wire.

Output: wire


Input:
Sentence1: Viruses contain DNA but not much else.
Sentence2: Where most viruses are DNA, HIV is an RNA virus.

Output: DNA


Input:
Sentence1: Sulfur dioxide can irritate the respiratory system and damage the heart and circulatory system.
Sentence2: Air pollution damages the heart.

Output: damage


Input:
Sentence1: Sulfur dioxide can irritate the respiratory system and damage the heart and circulatory system.
Sentence2: Air pollution damages the heart.

Output: heart


Input:
Sentence1: weathering means breaking down rocks from larger whole into smaller pieces by weather.
Sentence2: rain can break down rocks into smaller pieces.

Output: breaking


Input:
Sentence1: weathering means breaking down rocks from larger whole into smaller pieces by weather.
Sentence2: rain can break down rocks into smaller pieces.

Output: down


Input:
Sentence1: weathering means breaking down rocks from larger whole into smaller pieces by weather.
Sentence2: rain can break down rocks into smaller pieces.

Output: pieces


Input:
Sentence1: weathering means breaking down rocks from larger whole into smaller pieces by weather.
Sentence2: rain can break down rocks into smaller pieces.

Output: rocks


Input:
Sentence1: weathering means breaking down rocks from larger whole into smaller pieces by weather.
Sentence2: rain can break down rocks into smaller pieces.

Output: smaller


Input:
Sentence1: Male gametes are called sperm.
Sentence2: Pollen consists of tiny grains that are the sperm. of plants.

Output: sperm


Input:
Sentence1: Sharks are the most successful predators in the ocean.
Sentence2: Octopuses use ink for hiding from sharks.

Output: Sharks


Input:
Sentence1: Combustion of fuel is one of the main causes of air pollution.
Sentence2: high temperatures can cause air pollution.

Output: air


Input:
Sentence1: Combustion of fuel is one of the main causes of air pollution.
Sentence2: high temperatures can cause air pollution.

Output: pollution


Input:
Sentence1: Endocrine hormones travel throughout the body in the blood.
Sentence2: Nearly every body function is controlled by hormones that travel through the blood.

Output: blood


Input:
Sentence1: Endocrine hormones travel throughout the body in the blood.
Sentence2: Nearly every body function is controlled by hormones that travel through the blood.

Output: hormones


Input:
Sentence1: Endocrine hormones travel throughout the body in the blood.
Sentence2: Nearly every body function is controlled by hormones that travel through the blood.

Output: travel


Input:
Sentence1: Fluids to prevent dehydration and a nutritious diet are also important.
Sentence2: Milk prevents dehydration.

Output: dehydration


Input:
Sentence1: Most plants are either insect pollinated or wind pollinated.
Sentence2: Most plants require either insects or wind.

Output: Most


Input:
Sentence1: Most plants are either insect pollinated or wind pollinated.
Sentence2: Most plants require either insects or wind.

Output: insect


Input:
Sentence1: Most plants are either insect pollinated or wind pollinated.
Sentence2: Most plants require either insects or wind.

Output: plants


Input:
Sentence1: Most plants are either insect pollinated or wind pollinated.
Sentence2: Most plants require either insects or wind.

Output: wind


Input:
Sentence1: hunting requires seeing prey.
Sentence2: hunting requires seeing an animal.

Output: hunting


Input:
Sentence1: hunting requires seeing prey.
Sentence2: hunting requires seeing an animal.

Output: requires


Input:
Sentence1: hunting requires seeing prey.
Sentence2: hunting requires seeing an animal.

Output: seeing


Input:
Sentence1: sugar causes food to taste sweet.
Sentence2: sugar causes food to taste tempting.

Output: causes


Input:
Sentence1: sugar causes food to taste sweet.
Sentence2: sugar causes food to taste tempting.

Output: food


Input:
Sentence1: sugar causes food to taste sweet.
Sentence2: sugar causes food to taste tempting.

Output: sugar


Input:
Sentence1: sugar causes food to taste sweet.
Sentence2: sugar causes food to taste tempting.

Output: taste


Input:
Sentence1: Arthropods have a life cycle with sexual reproduction.
Sentence2: Sexual reproduction mixes the genes up more than is possible with asexual reproduction.

Output: reproduction


Input:
Sentence1: Arthropods have a life cycle with sexual reproduction.
Sentence2: Sexual reproduction mixes the genes up more than is possible with asexual reproduction.

Output: sexual


Input:
Sentence1: Caffeine is an example of a psychoactive drug.
Sentence2: coffee contains psychoactive drugs.

Output: drug


Input:
Sentence1: Caffeine is an example of a psychoactive drug.
Sentence2: coffee contains psychoactive drugs.

Output: psychoactive


Input:
Sentence1: when a cooler object touches a warmer object , thermal conduction occurs.
Sentence2: thermal conduction is higher when the temperature is higher.

Output: conduction


Input:
Sentence1: when a cooler object touches a warmer object , thermal conduction occurs.
Sentence2: thermal conduction is higher when the temperature is higher.

Output: thermal


Input:
Sentence1: Chemical weathering is the chemical disintigration of rocks.
Sentence2: The chemical disintegration of rocks causes iron in rock to oxidize.

Output: chemical


Input:
Sentence1: Chemical weathering is the chemical disintigration of rocks.
Sentence2: The chemical disintegration of rocks causes iron in rock to oxidize.

Output: disintigration


Input:
Sentence1: Chemical weathering is the chemical disintigration of rocks.
Sentence2: The chemical disintegration of rocks causes iron in rock to oxidize.

Output: rocks


Input:
Sentence1: an animal requires warmth for survival.
Sentence2: an animal requires heat produced by the body for survival.

Output: animal


Input:
Sentence1: an animal requires warmth for survival.
Sentence2: an animal requires heat produced by the body for survival.

Output: requires


Input:
Sentence1: an animal requires warmth for survival.
Sentence2: an animal requires heat produced by the body for survival.

Output: survival


Input:
Sentence1: Unlike the unisexual gametophytes of a moss, a fern gametophyte is bisexual.
Sentence2: female ferns can produce eggs inside the ovaries of flowers.

Output: fern


Input:
Sentence1: Among monogamous species of birds and mammals, both parents often care for their offspring.
Sentence2: The period of parental care after birth for manogamous species are handled by both parents.

Output: monogamous


Input:
Sentence1: Among monogamous species of birds and mammals, both parents often care for their offspring.
Sentence2: The period of parental care after birth for manogamous species are handled by both parents.

Output: species


Input:
Sentence1: Earth orbiting the Sun causes seasons to change.
Sentence2: seasons happen because of orbital tilt.

Output: seasons


Input:
Sentence1: Plants use unsaturated fatty acids to store energy.
Sentence2: Healthy plants produce healthy produce.

Output: Plants


Input:
Sentence1: Muscles are present in opposing groups, as illustrated by the biceps and triceps of the upper arm.
Sentence2: upper arm muscles contracting causes a person 's elbow to straighten.

Output: Muscles


Input:
Sentence1: Muscles are present in opposing groups, as illustrated by the biceps and triceps of the upper arm.
Sentence2: upper arm muscles contracting causes a person 's elbow to straighten.

Output: arm


Input:
Sentence1: Muscles are present in opposing groups, as illustrated by the biceps and triceps of the upper arm.
Sentence2: upper arm muscles contracting causes a person 's elbow to straighten.

Output: upper


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

Output: green


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

Output: plants


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

Output: simplest


Input:
Sentence1: crumple means change shape from smooth into compacted by physical force.
Sentence2: Paper is then crumpled into the general shape and tied.

Output: crumple


Input:
Sentence1: Yeasts are oval, unicellular fungi that reproduce by budding.
Sentence2: oval, unicellular fungi reproduce asexually by budding.

Output: fungi


Input:
Sentence1: Yeasts are oval, unicellular fungi that reproduce by budding.
Sentence2: oval, unicellular fungi reproduce asexually by budding.

Output: oval


Input:
Sentence1: Yeasts are oval, unicellular fungi that reproduce by budding.
Sentence2: oval, unicellular fungi reproduce asexually by budding.

Output: unicellular


Input:
Sentence1: freezing means changing from a liquid into a solid by reducing heat energy.
Sentence2: a liquid is frozen when it becomes a solid.

Output: solid


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

Output: calcite


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

Output: shell


Input:
Sentence1: a rainbow is formed by refraction of light by separating light into all different colors.
Sentence2: Rainbows form when raindrops refract sunlight.

Output: refraction


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: the emission of sulfur dioxide causes soil weathering.

Output: causes


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: the emission of sulfur dioxide causes soil weathering.

Output: dioxide


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: the emission of sulfur dioxide causes soil weathering.

Output: emission


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: the emission of sulfur dioxide causes soil weathering.

Output: sulfur


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

Output: electricity


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

Output: slows


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

Output: transfer


Input:
Sentence1: Tree-ring dating the 1700 Cascadia earthquake.
Sentence2: estimating the age of trees can be used in reviewing earthquake history.

Output: earthquake


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

Output: thirst


Input:
Sentence1: if an object reflects light toward the eye then that object can be seen.
Sentence2: by virtue of scattered light objects reflects light toward the eye.

Output: eye


Input:
Sentence1: if an object reflects light toward the eye then that object can be seen.
Sentence2: by virtue of scattered light objects reflects light toward the eye.

Output: light


Input:
Sentence1: if an object reflects light toward the eye then that object can be seen.
Sentence2: by virtue of scattered light objects reflects light toward the eye.

Output: object


Input:
Sentence1: if an object reflects light toward the eye then that object can be seen.
Sentence2: by virtue of scattered light objects reflects light toward the eye.

Output: reflects


Input:
Sentence1: if an object reflects light toward the eye then that object can be seen.
Sentence2: by virtue of scattered light objects reflects light toward the eye.

Output: toward


Input:
Sentence1: having food has a positive impact on an organism 's health.
Sentence2: Plants are sensitive organisms.

Output: organism


Input:
Sentence1: if an organism becomes too hot then that organism may die.
Sentence2: a plant can collapse if it gets too hot.

Output: hot


Input:
Sentence1: Insects generally have two pairs of wings for flight.
Sentence2: Many insects have wings, but arachnids have no wings.

Output: Insects


Input:
Sentence1: Insects generally have two pairs of wings for flight.
Sentence2: Many insects have wings, but arachnids have no wings.

Output: wings


Input:
Sentence1: Climate is the average weather in an area over a long period of time.
Sentence2: Climate is the average weather in a place over a long period of time.

Output: Climate


Input:
Sentence1: Climate is the average weather in an area over a long period of time.
Sentence2: Climate is the average weather in a place over a long period of time.

Output: average


Input:
Sentence1: Climate is the average weather in an area over a long period of time.
Sentence2: Climate is the average weather in a place over a long period of time.

Output: long


Input:
Sentence1: Climate is the average weather in an area over a long period of time.
Sentence2: Climate is the average weather in a place over a long period of time.

Output: over


Input:
Sentence1: Climate is the average weather in an area over a long period of time.
Sentence2: Climate is the average weather in a place over a long period of time.

Output: period


Input:
Sentence1: Climate is the average weather in an area over a long period of time.
Sentence2: Climate is the average weather in a place over a long period of time.

Output: time


Input:
Sentence1: Climate is the average weather in an area over a long period of time.
Sentence2: Climate is the average weather in a place over a long period of time.

Output: weather


Input:
Sentence1: Nerve impulses are electrical in nature.
Sentence2: dendrites receive electrical impulses.

Output: electrical


Input:
Sentence1: Fossils are the remains of prehistoric life.
Sentence2: if remains of prehistoric life are found in a place then that place used to be covered by water.

Output: life


Input:
Sentence1: Fossils are the remains of prehistoric life.
Sentence2: if remains of prehistoric life are found in a place then that place used to be covered by water.

Output: prehistoric


Input:
Sentence1: Fossils are the remains of prehistoric life.
Sentence2: if remains of prehistoric life are found in a place then that place used to be covered by water.

Output: remains


Input:
Sentence1: storms cause bodies of water to increase amount of water they contain.
Sentence2: Water elevations can increase rapidly, often resulting in severe local flooding.

Output: increase


Input:
Sentence1: storms cause bodies of water to increase amount of water they contain.
Sentence2: Water elevations can increase rapidly, often resulting in severe local flooding.

Output: water


Input:
Sentence1: Examples are citric acid, tartaric acid, lactic acid and malic acid.
Sentence2: citric compounds will turn the color of litmus paper from blue to red.

Output: citric


Input:
Sentence1: an organism requires energy for growth.
Sentence2: Blood flows to the viscera, organs and tissues, for growth and metabolism.

Output: growth


Input:
Sentence1: Fractures heal when osteoclasts form new bone.
Sentence2: Bone is a living tissue.

Output: bone


Input:
Sentence1: When earthquakes occur near cities of any size, the potential for damage is great.
Sentence2: A seismograph is used for measuring the size of the damage done by an occurrence.

Output: damage


Input:
Sentence1: When earthquakes occur near cities of any size, the potential for damage is great.
Sentence2: A seismograph is used for measuring the size of the damage done by an occurrence.

Output: size


Input:
Sentence1: Hormones are chemical messengers that control many body functions.
Sentence2: Neurotransmitters are chemical messengers in the brain.

Output: chemical


Input:
Sentence1: Hormones are chemical messengers that control many body functions.
Sentence2: Neurotransmitters are chemical messengers in the brain.

Output: messengers


Input:
Sentence1: if seeds stick to the fur of an animal then that seed will be transported by the animal.
Sentence2: Gelatinous coating helps seeds stick to fur and clothing when wet.

Output: fur


Input:
Sentence1: if seeds stick to the fur of an animal then that seed will be transported by the animal.
Sentence2: Gelatinous coating helps seeds stick to fur and clothing when wet.

Output: stick


Input:
Sentence1: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs.
Sentence2: Reptiles are a class of tetrapod vertebrates that lay shelled eggs.

Output: Reptiles


Input:
Sentence1: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs.
Sentence2: Reptiles are a class of tetrapod vertebrates that lay shelled eggs.

Output: class


Input:
Sentence1: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs.
Sentence2: Reptiles are a class of tetrapod vertebrates that lay shelled eggs.

Output: tetrapod


Input:
Sentence1: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs.
Sentence2: Reptiles are a class of tetrapod vertebrates that lay shelled eggs.

Output: vertebrates


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

Output: mountains


Input:
Sentence1: Ethologists study animal behavior.
Sentence2: Animal behavioral studies study how animals behave in their natural environment.

Output: animal


Input:
Sentence1: Ethologists study animal behavior.
Sentence2: Animal behavioral studies study how animals behave in their natural environment.

Output: behavior


Input:
Sentence1: Ethologists study animal behavior.
Sentence2: Animal behavioral studies study how animals behave in their natural environment.

Output: study


Input:
Sentence1: looking at bright objects has a negative impact on the eyes.
Sentence2: Looking at bright objects have a negative impact on the retina.

Output: bright


Input:
Sentence1: looking at bright objects has a negative impact on the eyes.
Sentence2: Looking at bright objects have a negative impact on the retina.

Output: impact


Input:
Sentence1: looking at bright objects has a negative impact on the eyes.
Sentence2: Looking at bright objects have a negative impact on the retina.

Output: looking


Input:
Sentence1: looking at bright objects has a negative impact on the eyes.
Sentence2: Looking at bright objects have a negative impact on the retina.

Output: negative


Input:
Sentence1: looking at bright objects has a negative impact on the eyes.
Sentence2: Looking at bright objects have a negative impact on the retina.

Output: objects


Input:
Sentence1: absorbing energy causes objects to heat.
Sentence2: Energy enters an ecosystem as sunlight.

Output: energy


Input:
Sentence1: Ethologists are scientists who study animals in their natural habitats.
Sentence2: There are scientists who study how animals behave in their natural environment.

Output: scientists


Input:
Sentence1: Ancestors of hagfish are thought to have been the earliest vertebrates.
Sentence2: ancestors of hagfish probably had backbones.

Output: Ancestors


Input:
Sentence1: Ancestors of hagfish are thought to have been the earliest vertebrates.
Sentence2: ancestors of hagfish probably had backbones.

Output: hagfish


Input:
Sentence1: Mammals can also generate little bursts of heat by shivering.
Sentence2: Heat is produced by muscle action and shivering.

Output: shivering


Input:
Sentence1: Acids turn blue litmus paper red and have a sour taste.
Sentence2: Sour tasting things changes litmus paper from blue to red.

Output: sour


Input:
Sentence1: Acids turn blue litmus paper red and have a sour taste.
Sentence2: Sour tasting things changes litmus paper from blue to red.

Output: taste


Input:
Sentence1: Gene flow occurs when individuals move into or out of a population.
Sentence2: decreased differentiation tends to occur when individuals move into or out of a population.

Output: individuals


Input:
Sentence1: Gene flow occurs when individuals move into or out of a population.
Sentence2: decreased differentiation tends to occur when individuals move into or out of a population.

Output: into


Input:
Sentence1: Gene flow occurs when individuals move into or out of a population.
Sentence2: decreased differentiation tends to occur when individuals move into or out of a population.

Output: move


Input:
Sentence1: Gene flow occurs when individuals move into or out of a population.
Sentence2: decreased differentiation tends to occur when individuals move into or out of a population.

Output: occurs


Input:
Sentence1: Gene flow occurs when individuals move into or out of a population.
Sentence2: decreased differentiation tends to occur when individuals move into or out of a population.

Output: out


Input:
Sentence1: Gene flow occurs when individuals move into or out of a population.
Sentence2: decreased differentiation tends to occur when individuals move into or out of a population.

Output: population


Input:
Sentence1: Gene flow occurs when individuals move into or out of a population.
Sentence2: decreased differentiation tends to occur when individuals move into or out of a population.

Output: when


Input:
Sentence1: Familiar things seen at greater distances are smaller than they appear close up.
Sentence2: Optical tools are used for observing things that are smaller than they appear.

Output: appear


Input:
Sentence1: Familiar things seen at greater distances are smaller than they appear close up.
Sentence2: Optical tools are used for observing things that are smaller than they appear.

Output: smaller


Input:
Sentence1: Familiar things seen at greater distances are smaller than they appear close up.
Sentence2: Optical tools are used for observing things that are smaller than they appear.

Output: than


Input:
Sentence1: Familiar things seen at greater distances are smaller than they appear close up.
Sentence2: Optical tools are used for observing things that are smaller than they appear.

Output: they


Input:
Sentence1: igneous rocks are formed from magma cooling.
Sentence2: Basalt is formed from magma cooling.

Output: cooling


Input:
Sentence1: igneous rocks are formed from magma cooling.
Sentence2: Basalt is formed from magma cooling.

Output: formed


Input:
Sentence1: igneous rocks are formed from magma cooling.
Sentence2: Basalt is formed from magma cooling.

Output: magma


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

Output: cells


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

Output: control


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

Output: divide


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

Output: grow


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

Output: more


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

Output: normal


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

Output: often


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

Output: out


Input:
Sentence1: Most mollusks have shells.
Sentence2: Cephalopods are a class of marine mollusks.

Output: mollusks


Input:
Sentence1: Male gametes are sperm.
Sentence2: pollen consists of tiny grains that are the sperm of plants.

Output: sperm


Input:
Sentence1: Inside the body, blood is normally a fluid.
Sentence2: passive immunity lasts only as long as the antibodies survive in blood.

Output: blood


Input:
Sentence1: Another source of energy is hydropower.
Sentence2: damming a river is a source of energy.

Output: energy


Input:
Sentence1: Another source of energy is hydropower.
Sentence2: damming a river is a source of energy.

Output: source


Input:
Sentence1: Annual desert plants germinate, grow, and flower quickly when there is a rainy year.
Sentence2: wet weather helps plants germinate.

Output: germinate


Input:
Sentence1: Another named half of the earth is the so-called Pacific hemisphere.
Sentence2: when half of Earth is tilted towards the sun , that half of Earth receives more direct sunlight.

Output: earth


Input:
Sentence1: Another named half of the earth is the so-called Pacific hemisphere.
Sentence2: when half of Earth is tilted towards the sun , that half of Earth receives more direct sunlight.

Output: half


Input:
Sentence1: Colloidal systems are suspensions of solid matter in liquids.
Sentence2: melting is when something part of a colloidal system is heated above its melting point.

Output: Colloidal


Input:
Sentence1: Colloidal systems are suspensions of solid matter in liquids.
Sentence2: melting is when something part of a colloidal system is heated above its melting point.

Output: systems


Input:
Sentence1: a fire requires oxygen to burn.
Sentence2: A fire requires something with exactly eight protons to burn.

Output: burn


Input:
Sentence1: a fire requires oxygen to burn.
Sentence2: A fire requires something with exactly eight protons to burn.

Output: fire


Input:
Sentence1: a fire requires oxygen to burn.
Sentence2: A fire requires something with exactly eight protons to burn.

Output: requires


Input:
Sentence1: Insects spread disease and destroy crops.
Sentence2: Locusts are amongst the most dramatic and devastating of the insect pests.

Output: Insects


Input:
Sentence1: Ozone depletion results in higher levels of UV radiation reaching Earth.
Sentence2: ozone is made of oxygen.

Output: Ozone


Input:
Sentence1: Bioterrorism is always a criminal act.
Sentence2: it is a criminal act to intentionally release or spread agents of disease.

Output: act


Input:
Sentence1: Bioterrorism is always a criminal act.
Sentence2: it is a criminal act to intentionally release or spread agents of disease.

Output: criminal


Input:
Sentence1: rocks interacting with wind over long periods of time causes weathering.
Sentence2: Smaller rocks come from the breakage and weathering of bedrock and larger rocks.

Output: weathering


Input:
Sentence1: Carbon monoxide is a gas produced by furnaces and other devices that burn fuel.
Sentence2: The gas produced by furnaces and other devices that burn fuel is colorless and odorless gas.

Output: burn


Input:
Sentence1: Carbon monoxide is a gas produced by furnaces and other devices that burn fuel.
Sentence2: The gas produced by furnaces and other devices that burn fuel is colorless and odorless gas.

Output: devices


Input:
Sentence1: Carbon monoxide is a gas produced by furnaces and other devices that burn fuel.
Sentence2: The gas produced by furnaces and other devices that burn fuel is colorless and odorless gas.

Output: fuel


Input:
Sentence1: Carbon monoxide is a gas produced by furnaces and other devices that burn fuel.
Sentence2: The gas produced by furnaces and other devices that burn fuel is colorless and odorless gas.

Output: furnaces


Input:
Sentence1: Carbon monoxide is a gas produced by furnaces and other devices that burn fuel.
Sentence2: The gas produced by furnaces and other devices that burn fuel is colorless and odorless gas.

Output: gas


Input:
Sentence1: Carbon monoxide is a gas produced by furnaces and other devices that burn fuel.
Sentence2: The gas produced by furnaces and other devices that burn fuel is colorless and odorless gas.

Output: produced


Input:
Sentence1: Carbon monoxide is a gas produced by furnaces and other devices that burn fuel.
Sentence2: The gas produced by furnaces and other devices that burn fuel is colorless and odorless gas.

Output: that


Input:
Sentence1: Liquids are also fluids.
Sentence2: Lymph is a liquid that leaks out of capillaries into spaces between cells.

Output: Liquids


Input:
Sentence1: Fire needs oxygen to continue burning.
Sentence2: fanning a fire keeps the fire burning.

Output: burning


Input:
Sentence1: Many consumers feed at more than one trophic level.
Sentence2: Humans are consumers in food webs.

Output: consumers


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

Output: direct


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

Output: less


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

Output: sunlight


Input:
Sentence1: Most echinoderms are sessile or sedentary marine forms with radial symmetry as adults.
Sentence2: adult sponges are sedentary.

Output: sedentary


Input:
Sentence1: Ants communicate with chemicals called pheromones.
Sentence2: Ants communicate via chemicals excreted by their bodies.

Output: Ants


Input:
Sentence1: Ants communicate with chemicals called pheromones.
Sentence2: Ants communicate via chemicals excreted by their bodies.

Output: chemicals


Input:
Sentence1: Vision is our ability to see.
Sentence2: Vision is important to hunt prey.

Output: Vision


Input:
Sentence1: Moist air is forced up the mountains bringing both cloud and precipitation to the windward side.
Sentence2: moist air falls on the windward side of a mountain.

Output: Moist


Input:
Sentence1: Moist air is forced up the mountains bringing both cloud and precipitation to the windward side.
Sentence2: moist air falls on the windward side of a mountain.

Output: air


Input:
Sentence1: poison causes harm to living things.
Sentence2: Like all living things, human beings are affected by their environment.

Output: living


Input:
Sentence1: poison causes harm to living things.
Sentence2: Like all living things, human beings are affected by their environment.

Output: things


Input:
Sentence1: Corals are tiny flower-like animals that live in colonies.
Sentence2: Flower-like animals live in shallow tropical water.

Output: animals


Input:
Sentence1: Corals are tiny flower-like animals that live in colonies.
Sentence2: Flower-like animals live in shallow tropical water.

Output: flower-like


Input:
Sentence1: Warmer temperatures increase melting of mountain glaciers and cause ocean water to expand.
Sentence2: boulders can be formed by Warmer temperatures.

Output: Warmer


Input:
Sentence1: Warmer temperatures increase melting of mountain glaciers and cause ocean water to expand.
Sentence2: boulders can be formed by Warmer temperatures.

Output: temperatures


Input:
Sentence1: a switch is used to start the flow of current in an electrical circuit.
Sentence2: Each switch is moved up for on, and down for off.

Output: switch


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

Output: absorb


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

Output: body


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

Output: breaking


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

Output: components


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

Output: down


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

Output: food


Input:
Sentence1: Bioterrorism is another potential threat in the environment.
Sentence2: Untitled Document Bioterrorism Bacillus anthracis spores are very hardy.

Output: Bioterrorism


Input:
Sentence1: when a hurricane moves over land , that hurricane will decrease in strength.
Sentence2: Hurricanes grow strength from warm waters.

Output: strength


Input:
Sentence1: Thunderstorms Thunderstorms give birth to tornadoes.
Sentence2: Cold fronts can give birth to tornadoes.

Output: birth


Input:
Sentence1: Thunderstorms Thunderstorms give birth to tornadoes.
Sentence2: Cold fronts can give birth to tornadoes.

Output: give


Input:
Sentence1: Thunderstorms Thunderstorms give birth to tornadoes.
Sentence2: Cold fronts can give birth to tornadoes.

Output: tornadoes


Input:
Sentence1: Balanced eating is a way of eating that promotes good health.
Sentence2: Food labels a 'tremendous tool' for achieving balance and variety in eating style NWSB225.

Output: Balanced


Input:
Sentence1: Balanced eating is a way of eating that promotes good health.
Sentence2: Food labels a 'tremendous tool' for achieving balance and variety in eating style NWSB225.

Output: eating


Input:
Sentence1: Bottleneck effect occurs when a population suddenly gets much smaller.
Sentence2: Fire usually causes temporary declines in populations.

Output: population


Input:
Sentence1: Generally, a telephone is any device which conveys sound over a distance.
Sentence2: telephones can communicate over distance.

Output: telephone


Input:
Sentence1: Bladder infections can be treated with antibiotics prescribed by a doctor.
Sentence2: Bacteria can be killed with what is prescribed by a doctor.

Output: doctor


Input:
Sentence1: Bladder infections can be treated with antibiotics prescribed by a doctor.
Sentence2: Bacteria can be killed with what is prescribed by a doctor.

Output: prescribed


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

Output: a


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

Output: is


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

Output: measure


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

Output: thermometer


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

Output: to


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

Output: used


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: Tree roots stabilize the soil and prevent soil erosion.

Output: soil


Input:
Sentence1: Perimeter is the total length around the object.
Sentence2: A ruler is used for measuring the perimeter of an object.

Output: Perimeter


Input:
Sentence1: Perimeter is the total length around the object.
Sentence2: A ruler is used for measuring the perimeter of an object.

Output: object


Input:
Sentence1: if an object is made of a material then that object has the properties of that material.
Sentence2: Toxicity is an inherent property of the material.

Output: material


Input:
Sentence1: Although the platypus is a mammal, it is bizarre and lays eggs .
Sentence2: Mammals do not usually lay eggs.

Output: mammal


Input:
Sentence1: Bees are naturalized on every continent except Antarctica.
Sentence2: Honey bees produce honey.

Output: Bees


Input:
Sentence1: decomposition increases amount of organic matter in soil.
Sentence2: Organic matter is the byproduct of the decomposition.

Output: organic


Input:
Sentence1: camouflage is used for protection by prey against predators.
Sentence2: Blending in with surroundings is used for protection by prey against predators.

Output: against


Input:
Sentence1: camouflage is used for protection by prey against predators.
Sentence2: Blending in with surroundings is used for protection by prey against predators.

Output: predators


Input:
Sentence1: camouflage is used for protection by prey against predators.
Sentence2: Blending in with surroundings is used for protection by prey against predators.

Output: prey


Input:
Sentence1: camouflage is used for protection by prey against predators.
Sentence2: Blending in with surroundings is used for protection by prey against predators.

Output: protection


Input:
Sentence1: camouflage is used for protection by prey against predators.
Sentence2: Blending in with surroundings is used for protection by prey against predators.

Output: used


Input:
Sentence1: smoking tobacco decreases stamina.
Sentence2: smoking cigarettes decreases stamina.

Output: decreases


Input:
Sentence1: smoking tobacco decreases stamina.
Sentence2: smoking cigarettes decreases stamina.

Output: smoking


Input:
Sentence1: smoking tobacco decreases stamina.
Sentence2: smoking cigarettes decreases stamina.

Output: stamina


Input:
Sentence1: Genes live on chromosomes, chromosomes live in cells.
Sentence2: DNA found in cells.

Output: cells


Input:
Sentence1: Birds have relatively large brains and a high level of intelligence.
Sentence2: Large brains require large skulls.

Output: brains


Input:
Sentence1: a compass is used to navigate oceans.
Sentence2: On moonless nights they navigate solely with the geomagnetic compass.

Output: compass


Input:
Sentence1: Animals adapt to cold temperatures.
Sentence2: Adaptation living things adapt to their environment.

Output: adapt


Input:
Sentence1: the fallopian tubes are used in reproduction.
Sentence2: Fallopian tubes are used in the process of offspring production.

Output: fallopian


Input:
Sentence1: the fallopian tubes are used in reproduction.
Sentence2: Fallopian tubes are used in the process of offspring production.

Output: tubes


Input:
Sentence1: when a metal rusts , that metal becomes orange on the surface.
Sentence2: Moisture can damage metal causing rusting and corrosion.

Output: rusts


Input:
Sentence1: force causes the speed of an object to increase.
Sentence2: force causes the speed of a crystal ball to increase.

Output: causes


Input:
Sentence1: force causes the speed of an object to increase.
Sentence2: force causes the speed of a crystal ball to increase.

Output: force


Input:
Sentence1: force causes the speed of an object to increase.
Sentence2: force causes the speed of a crystal ball to increase.

Output: increase


Input:
Sentence1: force causes the speed of an object to increase.
Sentence2: force causes the speed of a crystal ball to increase.

Output: of


Input:
Sentence1: force causes the speed of an object to increase.
Sentence2: force causes the speed of a crystal ball to increase.

Output: speed


Input:
Sentence1: force causes the speed of an object to increase.
Sentence2: force causes the speed of a crystal ball to increase.

Output: the


Input:
Sentence1: force causes the speed of an object to increase.
Sentence2: force causes the speed of a crystal ball to increase.

Output: to


Input:
Sentence1: Males are very aggressive during mating season.
Sentence2: Males can intend to cause harm or pain during their mating season.

Output: Males


Input:
Sentence1: Males are very aggressive during mating season.
Sentence2: Males can intend to cause harm or pain during their mating season.

Output: mating


Input:
Sentence1: Males are very aggressive during mating season.
Sentence2: Males can intend to cause harm or pain during their mating season.

Output: season


Input:
Sentence1: Genes that are located on the same chromosome are called linked genes.
Sentence2: Chromosomes are molecules of DNA complexed with proteins.

Output: chromosome


Input:
Sentence1: when metal conducts heat , that metal expands.
Sentence2: Antimony metal is a very brittle, moderately hard metal.

Output: metal


Input:
Sentence1: Absorption of nutrients occurs mainly in the small intestine.
Sentence2: The small intestine is the main place where food absorption occurs.

Output: intestine


Input:
Sentence1: Absorption of nutrients occurs mainly in the small intestine.
Sentence2: The small intestine is the main place where food absorption occurs.

Output: occurs


Input:
Sentence1: Absorption of nutrients occurs mainly in the small intestine.
Sentence2: The small intestine is the main place where food absorption occurs.

Output: small


Input:
Sentence1: Mammals breathe air with lungs.
Sentence2: Pneumonia may be caused by an infection or injury of the organs used to breathe air.

Output: air


Input:
Sentence1: Mammals breathe air with lungs.
Sentence2: Pneumonia may be caused by an infection or injury of the organs used to breathe air.

Output: breathe


Input:
Sentence1: a thermal insulator slows the transfer of heat.
Sentence2: glass slows the transfer of heat.

Output: heat


Input:
Sentence1: a thermal insulator slows the transfer of heat.
Sentence2: glass slows the transfer of heat.

Output: slows


Input:
Sentence1: a thermal insulator slows the transfer of heat.
Sentence2: glass slows the transfer of heat.

Output: transfer


Input:
Sentence1: boiling is when liquids are heated above their boiling point.
Sentence2: Vapor pressure is about liquids boiling.

Output: boiling


Input:
Sentence1: decomposition increases amount of organic matter in soil.
Sentence2: Decomposition is important to soil productivity.

Output: decomposition


Input:
Sentence1: Chromosomes contain genes, which code for proteins.
Sentence2: Chromosomes are composed of DNA and proteins.

Output: Chromosomes


Input:
Sentence1: Vinegar, battery acid, and wine are acids.
Sentence2: Acids can cause harm to the eyes.

Output: acids


Input:
Sentence1: sandpaper is used to smooth wooden objects.
Sentence2: Sand paper is used to smooth a table.

Output: sandpaper


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: Coral Reefs Coral reefs are threatened.

Output: Coral


Input:
Sentence1: a telephone is used for communication by humans over long distances.
Sentence2: Communication is about the sharing of ideas, thoughts and points of views.

Output: communication


Input:
Sentence1: the ovaries are used in reproduction.
Sentence2: Ovaries increase progesterone for an embryo.

Output: ovaries


Input:
Sentence1: Scientists still know relatively little about Archaea.
Sentence2: some prokaryotes are little known by scientists.

Output: know


Input:
Sentence1: Producers use energy and inorganic molecules to make food.
Sentence2: green plants use energy and inorganic molecules to make food.

Output: energy


Input:
Sentence1: Producers use energy and inorganic molecules to make food.
Sentence2: green plants use energy and inorganic molecules to make food.

Output: food


Input:
Sentence1: Producers use energy and inorganic molecules to make food.
Sentence2: green plants use energy and inorganic molecules to make food.

Output: inorganic


Input:
Sentence1: Producers use energy and inorganic molecules to make food.
Sentence2: green plants use energy and inorganic molecules to make food.

Output: make


Input:
Sentence1: Producers use energy and inorganic molecules to make food.
Sentence2: green plants use energy and inorganic molecules to make food.

Output: molecules


Input:
Sentence1: vein deposits of gold and silver are formed by igneous intrusion.
Sentence2: Jewelry is made of silver, gold or platinum and is usually set with precious stones.

Output: gold


Input:
Sentence1: radioactive dating is used to determine the age of fossils.
Sentence2: For a fossil to be made, the dead plant or animal has to be buried rapidly by sediment.

Output: fossils


Input:
Sentence1: Egg proteins, however, cause allergic reactions in some people.
Sentence2: heating proteins can cause an allergic reaction.

Output: proteins


Input:
Sentence1: When kidney function is normal, creatinine is removed from the body by the kidneys.
Sentence2: Nephrons are necessary to remove creatinine from the body.

Output: creatinine


Input:
Sentence1: When kidney function is normal, creatinine is removed from the body by the kidneys.
Sentence2: Nephrons are necessary to remove creatinine from the body.

Output: removed


Input:
Sentence1: a meter stick is used to measure distance.
Sentence2: The path between the boat brokerages and dealership locations is measured by a meter stick.

Output: measure


Input:
Sentence1: a meter stick is used to measure distance.
Sentence2: The path between the boat brokerages and dealership locations is measured by a meter stick.

Output: meter


Input:
Sentence1: a meter stick is used to measure distance.
Sentence2: The path between the boat brokerages and dealership locations is measured by a meter stick.

Output: stick


Input:
Sentence1: condensing means changing from a gas into a liquid by reducing heat energy.
Sentence2: Boiling is the change of state from liquid to gas, with condensation the reverse change.

Output: gas


Input:
Sentence1: condensing means changing from a gas into a liquid by reducing heat energy.
Sentence2: Boiling is the change of state from liquid to gas, with condensation the reverse change.

Output: liquid


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: An erupting Volcano causes acid rain.

Output: acid


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: An erupting Volcano causes acid rain.

Output: causes


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: An erupting Volcano causes acid rain.

Output: rain


Input:
Sentence1: waxy leaves are used for storing water by some plants.
Sentence2: leaves are used to store water.

Output: storing


Input:
Sentence1: high pressure systems cause clear weather.
Sentence2: High pressure usually indicates the weather is fair and dry.

Output: high


Input:
Sentence1: high pressure systems cause clear weather.
Sentence2: High pressure usually indicates the weather is fair and dry.

Output: pressure


Input:
Sentence1: Ozone depletion results in higher levels of UV radiation reaching Earth.
Sentence2: Ozone depletion results in higher levels of DNA damage and mutations.

Output: Ozone


Input:
Sentence1: Ozone depletion results in higher levels of UV radiation reaching Earth.
Sentence2: Ozone depletion results in higher levels of DNA damage and mutations.

Output: depletion


Input:
Sentence1: Additionally, a surveyor s compass was used.
Sentence2: Natural magnetism is used for pointing north in a surveying tool.

Output: s


Input:
Sentence1: Additionally, a surveyor s compass was used.
Sentence2: Natural magnetism is used for pointing north in a surveying tool.

Output: surveyor


Input:
Sentence1: Mosses and liverworts are bryophytes.
Sentence2: Moss occupies niches in moist habitats.

Output: Mosses


Input:
Sentence1: an aquatic animal requires great amounts of water to survive.
Sentence2: Too much algae can deplete the water of oxygen, making it impossible for aquatic animals to survive.

Output: survive


Input:
Sentence1: Geckos are, in fact, reptiles.
Sentence2: Geckos have good eyesight.

Output: Geckos


Input:
Sentence1: a thermometer is used to measure temperature.
Sentence2: Greater temperature means faster moving particles.

Output: temperature


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

Output: energy


Input:
Sentence1: a compass is used to navigate oceans.
Sentence2: Navigating the oceans can be more difficult during a magnetic storm.

Output: navigate


Input:
Sentence1: a compass is used to navigate oceans.
Sentence2: Navigating the oceans can be more difficult during a magnetic storm.

Output: oceans


Input:
Sentence1: creating paper requires cutting down trees.
Sentence2: Creating paper destroys rainforests.

Output: creating


Input:
Sentence1: creating paper requires cutting down trees.
Sentence2: Creating paper destroys rainforests.

Output: paper


Input:
Sentence1: Coal-fired power stations can cause acid rain and contribute to global warming.
Sentence2: Certain types of electricity production can cause acid rain and contribute to global warming.

Output: acid


Input:
Sentence1: Coal-fired power stations can cause acid rain and contribute to global warming.
Sentence2: Certain types of electricity production can cause acid rain and contribute to global warming.

Output: global


Input:
Sentence1: Coal-fired power stations can cause acid rain and contribute to global warming.
Sentence2: Certain types of electricity production can cause acid rain and contribute to global warming.

Output: rain


Input:
Sentence1: Coal-fired power stations can cause acid rain and contribute to global warming.
Sentence2: Certain types of electricity production can cause acid rain and contribute to global warming.

Output: warming


Input:
Sentence1: Paleontologist study the fossils of dinosuars.
Sentence2: Scientists who find and study dinosaurs are called paleontologists.

Output: Paleontologist


Input:
Sentence1: Paleontologist study the fossils of dinosuars.
Sentence2: Scientists who find and study dinosaurs are called paleontologists.

Output: dinosuars


Input:
Sentence1: Echinoderms use the tube feet for moving, feeding, breathing, and sensing.
Sentence2: echinoderms feed with their feet.

Output: feeding


Input:
Sentence1: Some birds are pollinators that co-evolved with plants.
Sentence2: Some birds co-evolved with flowers to pollinate them.

Output: birds


Input:
Sentence1: Some birds are pollinators that co-evolved with plants.
Sentence2: Some birds co-evolved with flowers to pollinate them.

Output: co-evolved


Input:
Sentence1: Plants use cellulose for their cell walls.
Sentence2: Plants use fiber for their cell walls.

Output: Plants


Input:
Sentence1: Plants use cellulose for their cell walls.
Sentence2: Plants use fiber for their cell walls.

Output: cell


Input:
Sentence1: Plants use cellulose for their cell walls.
Sentence2: Plants use fiber for their cell walls.

Output: their


Input:
Sentence1: Plants use cellulose for their cell walls.
Sentence2: Plants use fiber for their cell walls.

Output: use


Input:
Sentence1: Plants use cellulose for their cell walls.
Sentence2: Plants use fiber for their cell walls.

Output: walls


Input:
Sentence1: fat is used to keep animals warm.
Sentence2: With a thick fur coat and 4 inches of fat a bear stays warm.

Output: warm


Input:
Sentence1: Another nutrient to be concerned with is iron.
Sentence2: the digestive system breaks food into iron for the body.

Output: iron


Input:
Sentence1: A battery is a store of chemical energy.
Sentence2: batteries store chemicals.

Output: chemical


Input:
Sentence1: Electrical engineers work on power plants, computers, and other electrical devices.
Sentence2: Computers use electricity as an energy source.

Output: computers


Input:
Sentence1: Blood type is important for medical reasons.
Sentence2: Medical treatment is overseen by medical personnel.

Output: medical


Input:
Sentence1: claws are used to catch prey by some predators.
Sentence2: Arthropods are the main prey.

Output: prey


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

Output: requires


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

Output: Bone


Input:
Sentence1: Electricity A kWh is a unit of electricity.
Sentence2: A generator converts kinetic energy into kWh.

Output: kWh


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

Output: Pneumonia


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: Friction is a Force that opposes motion.

Output: friction


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: the skin protects the body from pollution.

Output: skin


Input:
Sentence1: Animals are heterotrophs, or other-feeders.
Sentence2: Animals get food by eating other living things.

Output: Animals


Input:
Sentence1: darkness has a negative impact on photosynthesis.
Sentence2: Plants feed themselves through the process called photosynthesis.

Output: photosynthesis


Input:
Sentence1: Basically, heat is energy.
Sentence2: All chemical reactions require heat to get started.

Output: heat


Input:
Sentence1: lakes are formed by precipitation and runoff.
Sentence2: bodies of water are formed by numerous events.

Output: formed


Input:
Sentence1: Mammals have a layer of fat under the skin to help insulate the body.
Sentence2: walruses have a layer of fat under the skin to help insulate the body.

Output: body


Input:
Sentence1: Mammals have a layer of fat under the skin to help insulate the body.
Sentence2: walruses have a layer of fat under the skin to help insulate the body.

Output: fat


Input:
Sentence1: Mammals have a layer of fat under the skin to help insulate the body.
Sentence2: walruses have a layer of fat under the skin to help insulate the body.

Output: have


Input:
Sentence1: Mammals have a layer of fat under the skin to help insulate the body.
Sentence2: walruses have a layer of fat under the skin to help insulate the body.

Output: help


Input:
Sentence1: Mammals have a layer of fat under the skin to help insulate the body.
Sentence2: walruses have a layer of fat under the skin to help insulate the body.

Output: insulate


Input:
Sentence1: Mammals have a layer of fat under the skin to help insulate the body.
Sentence2: walruses have a layer of fat under the skin to help insulate the body.

Output: layer


Input:
Sentence1: Mammals have a layer of fat under the skin to help insulate the body.
Sentence2: walruses have a layer of fat under the skin to help insulate the body.

Output: skin


Input:
Sentence1: Mammals have a layer of fat under the skin to help insulate the body.
Sentence2: walruses have a layer of fat under the skin to help insulate the body.

Output: under


Input:
Sentence1: medicine is used for curing people when they are sick.
Sentence2: Drugs are small medicine.

Output: medicine


Input:
Sentence1: Clearing of land can lead to erosion of soil into the river.
Sentence2: clearing land can make a river wider.

Output: Clearing


Input:
Sentence1: Clearing of land can lead to erosion of soil into the river.
Sentence2: clearing land can make a river wider.

Output: land


Input:
Sentence1: if heat is conducted to an object then that object will become hot.
Sentence2: Hot objects emit more energy than cold objects.

Output: hot


Input:
Sentence1: when the body is hot , sweat is produced to cool the body.
Sentence2: The evaporation of sweat occurs when a body is hot.

Output: body


Input:
Sentence1: when the body is hot , sweat is produced to cool the body.
Sentence2: The evaporation of sweat occurs when a body is hot.

Output: hot


Input:
Sentence1: Some herbivores have more than one stomach.
Sentence2: some herbivores are ruminants.

Output: Some


Input:
Sentence1: Some herbivores have more than one stomach.
Sentence2: some herbivores are ruminants.

Output: herbivores


Input:
Sentence1: Everybody has a cell phone.
Sentence2: everybody can become distracted.

Output: Everybody


Input:
Sentence1: the force of water against the seed coat causes a root to emerge from a seed.
Sentence2: Germination depends on the seed coat.

Output: coat


Input:
Sentence1: the force of water against the seed coat causes a root to emerge from a seed.
Sentence2: Germination depends on the seed coat.

Output: seed


Input:
Sentence1: Female monotremes lack a uterus and vagina.
Sentence2: a platypus lacks a uterus.

Output: uterus


Input:
Sentence1: forming coal requires decaying vegetation.
Sentence2: Plastics are made form coal.

Output: coal


Input:
Sentence1: RNA is a small molecule that can squeeze through pores in the nuclear membrane.
Sentence2: ribonucleic acid is a small molecule that squeezes through pores in the nuclear membrane.

Output: membrane


Input:
Sentence1: RNA is a small molecule that can squeeze through pores in the nuclear membrane.
Sentence2: ribonucleic acid is a small molecule that squeezes through pores in the nuclear membrane.

Output: molecule


Input:
Sentence1: RNA is a small molecule that can squeeze through pores in the nuclear membrane.
Sentence2: ribonucleic acid is a small molecule that squeezes through pores in the nuclear membrane.

Output: nuclear


Input:
Sentence1: RNA is a small molecule that can squeeze through pores in the nuclear membrane.
Sentence2: ribonucleic acid is a small molecule that squeezes through pores in the nuclear membrane.

Output: pores


Input:
Sentence1: RNA is a small molecule that can squeeze through pores in the nuclear membrane.
Sentence2: ribonucleic acid is a small molecule that squeezes through pores in the nuclear membrane.

Output: small


Input:
Sentence1: RNA is a small molecule that can squeeze through pores in the nuclear membrane.
Sentence2: ribonucleic acid is a small molecule that squeezes through pores in the nuclear membrane.

Output: squeeze


Input:
Sentence1: RNA is a small molecule that can squeeze through pores in the nuclear membrane.
Sentence2: ribonucleic acid is a small molecule that squeezes through pores in the nuclear membrane.

Output: through


Input:
Sentence1: folding an object causes that object to change shape.
Sentence2: Tri-fold cards fold into three sections.

Output: folding


Input:
Sentence1: Behind the warm front are thick, low stratus clouds and possibly more rain.
Sentence2: cloudy and rainy weather is accompanied by stratus clouds.

Output: clouds


Input:
Sentence1: Behind the warm front are thick, low stratus clouds and possibly more rain.
Sentence2: cloudy and rainy weather is accompanied by stratus clouds.

Output: stratus


Input:
Sentence1: Basically, heat is energy.
Sentence2: If food is not immediately used in the body for heat then that food is stored in the body for future use.

Output: heat


Input:
Sentence1: lack of moisture in the air causes low amounts of rainfall.
Sentence2: drought prone areas experience a lack of moisture in the air.

Output: air


Input:
Sentence1: lack of moisture in the air causes low amounts of rainfall.
Sentence2: drought prone areas experience a lack of moisture in the air.

Output: lack


Input:
Sentence1: lack of moisture in the air causes low amounts of rainfall.
Sentence2: drought prone areas experience a lack of moisture in the air.

Output: moisture


Input:
Sentence1: Organisms cluster around hydrothermal vents in the ocean floor.
Sentence2: Organisms cluster around hot water inside cracks in the ocean floor.

Output: Organisms


Input:
Sentence1: Organisms cluster around hydrothermal vents in the ocean floor.
Sentence2: Organisms cluster around hot water inside cracks in the ocean floor.

Output: around


Input:
Sentence1: Organisms cluster around hydrothermal vents in the ocean floor.
Sentence2: Organisms cluster around hot water inside cracks in the ocean floor.

Output: cluster


Input:
Sentence1: Organisms cluster around hydrothermal vents in the ocean floor.
Sentence2: Organisms cluster around hot water inside cracks in the ocean floor.

Output: floor


Input:
Sentence1: Organisms cluster around hydrothermal vents in the ocean floor.
Sentence2: Organisms cluster around hot water inside cracks in the ocean floor.

Output: ocean


Input:
Sentence1: measuring the hardness of minerals requires scratching those materials.
Sentence2: measuring the hardness of a pearl requires scratching it.

Output: hardness


Input:
Sentence1: measuring the hardness of minerals requires scratching those materials.
Sentence2: measuring the hardness of a pearl requires scratching it.

Output: measuring


Input:
Sentence1: measuring the hardness of minerals requires scratching those materials.
Sentence2: measuring the hardness of a pearl requires scratching it.

Output: scratching


Input:
Sentence1: Populations of viruses do not grow through cell division because they are not cells.
Sentence2: populations of HIV do not grow through cell division because they are not cells.

Output: Populations


Input:
Sentence1: Populations of viruses do not grow through cell division because they are not cells.
Sentence2: populations of HIV do not grow through cell division because they are not cells.

Output: cell


Input:
Sentence1: Populations of viruses do not grow through cell division because they are not cells.
Sentence2: populations of HIV do not grow through cell division because they are not cells.

Output: cells


Input:
Sentence1: Populations of viruses do not grow through cell division because they are not cells.
Sentence2: populations of HIV do not grow through cell division because they are not cells.

Output: division


Input:
Sentence1: Populations of viruses do not grow through cell division because they are not cells.
Sentence2: populations of HIV do not grow through cell division because they are not cells.

Output: grow


Input:
Sentence1: Populations of viruses do not grow through cell division because they are not cells.
Sentence2: populations of HIV do not grow through cell division because they are not cells.

Output: not


Input:
Sentence1: Populations of viruses do not grow through cell division because they are not cells.
Sentence2: populations of HIV do not grow through cell division because they are not cells.

Output: through


Input:
Sentence1: skin is used for breathing air by frogs.
Sentence2: frogs breathe with their lungs.

Output: breathing


Input:
Sentence1: Water remains in the current of the river.
Sentence2: A long tail helps an animal navigate through a river.

Output: river


Input:
Sentence1: An electric sharpener removes too much metal and often causes waves.
Sentence2: An object's shape can be changed by removing material.

Output: removes


Input:
Sentence1: Earthworms are important deposit feeders that help form and enrich soil.
Sentence2: Earthworms ingest sediment to get food particles which enriches soil.

Output: Earthworms


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

Output: Living


Input:
Sentence1: refracting sunlight causes sunlight to split into different colors.
Sentence2: Light splits into different colors when sunlight hits raindrops.

Output: colors


Input:
Sentence1: refracting sunlight causes sunlight to split into different colors.
Sentence2: Light splits into different colors when sunlight hits raindrops.

Output: different


Input:
Sentence1: Enveloped viruses make their own membranes.
Sentence2: Some viruses make their own membranes.

Output: make


Input:
Sentence1: Enveloped viruses make their own membranes.
Sentence2: Some viruses make their own membranes.

Output: membranes


Input:
Sentence1: Enveloped viruses make their own membranes.
Sentence2: Some viruses make their own membranes.

Output: own


Input:
Sentence1: Enveloped viruses make their own membranes.
Sentence2: Some viruses make their own membranes.

Output: their


Input:
Sentence1: Diet : Starch and sweet foods high in carbohydrates can cause sleepiness.
Sentence2: sugar can cause sleepiness.

Output: sleepiness


Input:
Sentence1: Gametes then unite in fertilization and form a diploid zygote.
Sentence2: Syngamy produces a diploid zygote.

Output: diploid


Input:
Sentence1: Gametes then unite in fertilization and form a diploid zygote.
Sentence2: Syngamy produces a diploid zygote.

Output: zygote


Input:
Sentence1: Connective tissue is classed as visco-elastic.
Sentence2: Blood is classed as visco-elastic.

Output: classed


Input:
Sentence1: Connective tissue is classed as visco-elastic.
Sentence2: Blood is classed as visco-elastic.

Output: visco-elastic


Input:
Sentence1: living things all require energy for survival.
Sentence2: Energy conservation is an important survival trait.

Output: survival


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: amphibians easily absorb chemicals.

Output: Amphibians


Input:
Sentence1: fossil fuels are formed from dead organisms over time.
Sentence2: Fossil fuels are a product of decay.

Output: fossil


Input:
Sentence1: fossil fuels are formed from dead organisms over time.
Sentence2: Fossil fuels are a product of decay.

Output: fuels


Input:
Sentence1: if an animal lives under ground then that animal will be protected from a wild fire.
Sentence2: Moles can be found in tunnels under the ground.

Output: ground


Input:
Sentence1: if an animal lives under ground then that animal will be protected from a wild fire.
Sentence2: Moles can be found in tunnels under the ground.

Output: under


Input:
Sentence1: Loss of ozone has created an ozone hole over Antarctica.
Sentence2: Ozone is triatomic oxygen, O3.

Output: ozone


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

Output: backbone


Input:
Sentence1: All lizards are reptiles.
Sentence2: Lizards are tetrapod vertebrates that produce amniotic eggs.

Output: lizards


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

Output: tidal


Input:
Sentence1: Like all plants, it needs sunlight and warmth to grow.
Sentence2: If a tree falls, then sunlight becomes available to allow growth.

Output: grow


Input:
Sentence1: Viruses infect and live inside the cells of living organisms.
Sentence2: An infection is an illness caused by the invasion of a virus or microorganism.

Output: infect


Input:
Sentence1: disease has a negative impact on an organism.
Sentence2: Bacteria and Viruses Bacteria and viruses can cause diseases.

Output: disease


Input:
Sentence1: Corals form large colonies in shallow tropical water.
Sentence2: Something in the polyp stage can form large colonies in shallow tropical water.

Output: colonies


Input:
Sentence1: Corals form large colonies in shallow tropical water.
Sentence2: Something in the polyp stage can form large colonies in shallow tropical water.

Output: large


Input:
Sentence1: Corals form large colonies in shallow tropical water.
Sentence2: Something in the polyp stage can form large colonies in shallow tropical water.

Output: shallow


Input:
Sentence1: Corals form large colonies in shallow tropical water.
Sentence2: Something in the polyp stage can form large colonies in shallow tropical water.

Output: tropical


Input:
Sentence1: Corals form large colonies in shallow tropical water.
Sentence2: Something in the polyp stage can form large colonies in shallow tropical water.

Output: water


Input:
Sentence1: Astroglial cells are the most common cells in brain tissue.
Sentence2: astroglial cells die if their oxygen supply is cut off.

Output: Astroglial


Input:
Sentence1: Astroglial cells are the most common cells in brain tissue.
Sentence2: astroglial cells die if their oxygen supply is cut off.

Output: cells


Input:
Sentence1: Food and water shortages can only lead to diseases and many sick people and sick animals.
Sentence2: If the body goes without its requirements a person will eventually get sick after a few days.

Output: sick


Input:
Sentence1: Food consists of organic molecules that store energy in their chemical bonds.
Sentence2: Food consists of organic molecules that store electrical energy.

Output: Food


Input:
Sentence1: Food consists of organic molecules that store energy in their chemical bonds.
Sentence2: Food consists of organic molecules that store electrical energy.

Output: consists


Input:
Sentence1: Food consists of organic molecules that store energy in their chemical bonds.
Sentence2: Food consists of organic molecules that store electrical energy.

Output: energy


Input:
Sentence1: Food consists of organic molecules that store energy in their chemical bonds.
Sentence2: Food consists of organic molecules that store electrical energy.

Output: molecules


Input:
Sentence1: Food consists of organic molecules that store energy in their chemical bonds.
Sentence2: Food consists of organic molecules that store electrical energy.

Output: organic


Input:
Sentence1: Food consists of organic molecules that store energy in their chemical bonds.
Sentence2: Food consists of organic molecules that store electrical energy.

Output: store


Input:
Sentence1: Food consists of organic molecules that store energy in their chemical bonds.
Sentence2: Food consists of organic molecules that store electrical energy.

Output: that


Input:
Sentence1: Organs of excretion make up the excretory system.
Sentence2: Excretion begins with the kidneys.

Output: Organs


Input:
Sentence1: Organs of excretion make up the excretory system.
Sentence2: Excretion begins with the kidneys.

Output: excretion


Input:
Sentence1: Landslides Seismic vibration is a common triggering mechanism for landslides.
Sentence2: Erosion can cause seismic vibrations which are triggering mechanisms.

Output: Seismic


Input:
Sentence1: Landslides Seismic vibration is a common triggering mechanism for landslides.
Sentence2: Erosion can cause seismic vibrations which are triggering mechanisms.

Output: mechanism


Input:
Sentence1: Landslides Seismic vibration is a common triggering mechanism for landslides.
Sentence2: Erosion can cause seismic vibrations which are triggering mechanisms.

Output: triggering


Input:
Sentence1: Landslides Seismic vibration is a common triggering mechanism for landslides.
Sentence2: Erosion can cause seismic vibrations which are triggering mechanisms.

Output: vibration


Input:
Sentence1: Protozoa Toxoplasma gondii Muscles Nematode Trichinella spiralis Protozoa Sarcocystis sp.
Sentence2: Species of Sarcocystis can parasitize humans and make them sick.

Output: Sarcocystis


Input:
Sentence1: Protozoa Toxoplasma gondii Muscles Nematode Trichinella spiralis Protozoa Sarcocystis sp.
Sentence2: Species of Sarcocystis can parasitize humans and make them sick.

Output: sp


Input:
Sentence1: erosion causes a river to become deeper and wider.
Sentence2: Canyon formed as a consequence of river erosion.

Output: erosion


Input:
Sentence1: erosion causes a river to become deeper and wider.
Sentence2: Canyon formed as a consequence of river erosion.

Output: river


Input:
Sentence1: Almost half the body heat lost in cold conditions escapes from the head.
Sentence2: Head hair is especially important in cold conditions.

Output: cold


Input:
Sentence1: Almost half the body heat lost in cold conditions escapes from the head.
Sentence2: Head hair is especially important in cold conditions.

Output: conditions


Input:
Sentence1: Any green plant can be considered for use in the production of biofuel or bioenergy.
Sentence2: Green plants can be used to produce electricity by burning.

Output: green


Input:
Sentence1: Any green plant can be considered for use in the production of biofuel or bioenergy.
Sentence2: Green plants can be used to produce electricity by burning.

Output: plant


Input:
Sentence1: Cancer genes can be inherited.
Sentence2: Cancer genes can be passed on through reproduction.

Output: Cancer


Input:
Sentence1: Cancer genes can be inherited.
Sentence2: Cancer genes can be passed on through reproduction.

Output: genes


Input:
Sentence1: Ribosomes are sites where proteins are made.
Sentence2: ribosomes have RNA.

Output: Ribosomes


Input:
Sentence1: glass cause refraction of light.
Sentence2: Mirrors are plate glass.

Output: glass


Input:
Sentence1: Cnidarians are invertebrates such as jellyfish and corals.
Sentence2: Jellyfish and corals are radial, tentacled animals that live mostly in the seas.

Output: corals


Input:
Sentence1: Cnidarians are invertebrates such as jellyfish and corals.
Sentence2: Jellyfish and corals are radial, tentacled animals that live mostly in the seas.

Output: jellyfish


Input:
Sentence1: All fish have gills .
Sentence2: All fish breathe water.

Output: All


Input:
Sentence1: All fish have gills .
Sentence2: All fish breathe water.

Output: fish


Input:
Sentence1: Hydrogen ions are equivalent to acidity.
Sentence2: Hydrogen ions change the color of litmus paper from blue to red.

Output: Hydrogen


Input:
Sentence1: Hydrogen ions are equivalent to acidity.
Sentence2: Hydrogen ions change the color of litmus paper from blue to red.

Output: ions


Input:
Sentence1: exercise increases a body 's strength.
Sentence2: Exercise can help change that by moving their glucose into their muscles.

Output: exercise


Input:
Sentence1: Marble is used for sculptures, and coal is used for fuel and energy like light.
Sentence2: being buried under mud and soil changes peat into fuel.

Output: fuel


Input:
Sentence1: Filter feeders supply food to predators 8.
Sentence2: sponges supply food to predators.

Output: food


Input:
Sentence1: Filter feeders supply food to predators 8.
Sentence2: sponges supply food to predators.

Output: predators


Input:
Sentence1: Filter feeders supply food to predators 8.
Sentence2: sponges supply food to predators.

Output: supply


Input:
Sentence1: Mutations are essential for evolution to occur.
Sentence2: Viruses can cause a mutation in a gene.

Output: Mutations


Input:
Sentence1: Fertilization is the penetration of the egg by a sperm.
Sentence2: Sperm must swim from the male to the female egg.

Output: egg


Input:
Sentence1: By inhibiting activating stimuli, they induce sleep.
Sentence2: sensory nerve cells can be inhibited to induce sleep.

Output: induce


Input:
Sentence1: By inhibiting activating stimuli, they induce sleep.
Sentence2: sensory nerve cells can be inhibited to induce sleep.

Output: inhibiting