Input:
Sentence1: Female gametophytes produce eggs inside the ovaries of flowers.
Sentence2: Female gametophytes produce eggs inside the fruit of flowers.

Output: flowers


Input:
Sentence1: Female gametophytes produce eggs inside the ovaries of flowers.
Sentence2: Female gametophytes produce eggs inside the fruit of flowers.

Output: gametophytes


Input:
Sentence1: Female gametophytes produce eggs inside the ovaries of flowers.
Sentence2: Female gametophytes produce eggs inside the fruit of flowers.

Output: inside


Input:
Sentence1: Female gametophytes produce eggs inside the ovaries of flowers.
Sentence2: Female gametophytes produce eggs inside the fruit of flowers.

Output: of


Input:
Sentence1: Female gametophytes produce eggs inside the ovaries of flowers.
Sentence2: Female gametophytes produce eggs inside the fruit of flowers.

Output: produce


Input:
Sentence1: Female gametophytes produce eggs inside the ovaries of flowers.
Sentence2: Female gametophytes produce eggs inside the fruit of flowers.

Output: the


Input:
Sentence1: riding a bike does not cause pollution.
Sentence2: using a bike saves energy.

Output: bike


Input:
Sentence1: Leaves help carry on photosynthesis.
Sentence2: as a plant grows, photosynthesis increases.

Output: photosynthesis


Input:
Sentence1: high pressure systems cause clear weather.
Sentence2: High pressure systems are the result of sinking air.

Output: high


Input:
Sentence1: high pressure systems cause clear weather.
Sentence2: High pressure systems are the result of sinking air.

Output: pressure


Input:
Sentence1: Mammals conserve body heat with their hair or fur.
Sentence2: Mammals generate the internal heat via metabolism.

Output: Mammals


Input:
Sentence1: if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past.
Sentence2: Common fossils include plant fossils like ferns.

Output: plant


Input:
Sentence1: Animals lack chloroplasts.
Sentence2: animals lack chlorophyll.

Output: Animals


Input:
Sentence1: Animals lack chloroplasts.
Sentence2: animals lack chlorophyll.

Output: lack


Input:
Sentence1: using a car causes pollution.
Sentence2: Toyota causes pollution.

Output: causes


Input:
Sentence1: using a car causes pollution.
Sentence2: Toyota causes pollution.

Output: pollution


Input:
Sentence1: heat can change the state of matter.
Sentence2: Gas is one of the 3 states of matter.

Output: matter


Input:
Sentence1: fanning a fire increases the oxygen near the fire.
Sentence2: Fanning a fire helps it to continue burning.

Output: a


Input:
Sentence1: fanning a fire increases the oxygen near the fire.
Sentence2: Fanning a fire helps it to continue burning.

Output: fanning


Input:
Sentence1: fanning a fire increases the oxygen near the fire.
Sentence2: Fanning a fire helps it to continue burning.

Output: fire


Input:
Sentence1: Producers use energy and inorganic molecules to make food.
Sentence2: Ultimately, all energy on the earth comes from the sun.

Output: energy


Input:
Sentence1: Most hormones are regulated by feedback mechanisms.
Sentence2: Hormones are incredibly powerful chemicals.

Output: hormones


Input:
Sentence1: An abalone is a shellfish or mollusk.
Sentence2: abalones are a major food source for humans.

Output: abalone


Input:
Sentence1: Temperature falls from lower to higher altitudes.
Sentence2: If the weather is warm, their temperature rises.

Output: Temperature


Input:
Sentence1: To protect themselves corals have evolved a variety of defenses.
Sentence2: Poisonus darts are used by sea anemones for protection.

Output: protect


Input:
Sentence1: the volume of an object can be used to describe the size of that object.
Sentence2: The volume of a physical thing can be used to describe the size of that physical thing.

Output: can


Input:
Sentence1: the volume of an object can be used to describe the size of that object.
Sentence2: The volume of a physical thing can be used to describe the size of that physical thing.

Output: describe


Input:
Sentence1: the volume of an object can be used to describe the size of that object.
Sentence2: The volume of a physical thing can be used to describe the size of that physical thing.

Output: object


Input:
Sentence1: the volume of an object can be used to describe the size of that object.
Sentence2: The volume of a physical thing can be used to describe the size of that physical thing.

Output: size


Input:
Sentence1: the volume of an object can be used to describe the size of that object.
Sentence2: The volume of a physical thing can be used to describe the size of that physical thing.

Output: used


Input:
Sentence1: the volume of an object can be used to describe the size of that object.
Sentence2: The volume of a physical thing can be used to describe the size of that physical thing.

Output: volume


Input:
Sentence1: skin is used for breathing air by frogs.
Sentence2: skin is used for breathing air by toads.

Output: air


Input:
Sentence1: skin is used for breathing air by frogs.
Sentence2: skin is used for breathing air by toads.

Output: breathing


Input:
Sentence1: skin is used for breathing air by frogs.
Sentence2: skin is used for breathing air by toads.

Output: skin


Input:
Sentence1: skin is used for breathing air by frogs.
Sentence2: skin is used for breathing air by toads.

Output: used


Input:
Sentence1: Dilatation is the widening of the cervix using progressively wider metal rods.
Sentence2: widening occurs when cell walls relax.

Output: widening


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: Acid rain is very bad and can hurt the environment.

Output: acid


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: Acid rain is very bad and can hurt the environment.

Output: rain


Input:
Sentence1: Some parasites kill their host, but most do not.
Sentence2: Parasites include lungworms and GI parasites.

Output: parasites


Input:
Sentence1: Immunity results from immunization.
Sentence2: The ability of an organism to not be susceptible to a certain disease can result from vaccines.

Output: results


Input:
Sentence1: Animals at underwater hydrothermal vents are unique.
Sentence2: organisms on the ocean floor are unique.

Output: unique


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

Output: building


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

Output: heating


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

Output: system


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

Output: used


Input:
Sentence1: Dromaeosaurs are part of the theropod group of dinosaurs.
Sentence2: bids evolved from a group of bipedal dinosaurs called dromaeosaur.

Output: Dromaeosaurs


Input:
Sentence1: Marshes and swamps are wetlands.
Sentence2: Marshes and swamps are extremely important biomes.

Output: Marshes


Input:
Sentence1: Marshes and swamps are wetlands.
Sentence2: Marshes and swamps are extremely important biomes.

Output: swamps


Input:
Sentence1: Plants have specialized reproductive organs.
Sentence2: Plant reproduction is similar to animal reproduction.

Output: Plants


Input:
Sentence1: seed dispersal has a positive impact on a plant.
Sentence2: Winds and animals have a positive impact on plants.

Output: impact


Input:
Sentence1: seed dispersal has a positive impact on a plant.
Sentence2: Winds and animals have a positive impact on plants.

Output: plant


Input:
Sentence1: seed dispersal has a positive impact on a plant.
Sentence2: Winds and animals have a positive impact on plants.

Output: positive


Input:
Sentence1: Mammals generate heat mainly by keeping their metabolic rate high.
Sentence2: food keeps mammals' metabolic rates high.

Output: Mammals


Input:
Sentence1: Mammals generate heat mainly by keeping their metabolic rate high.
Sentence2: food keeps mammals' metabolic rates high.

Output: high


Input:
Sentence1: Mammals generate heat mainly by keeping their metabolic rate high.
Sentence2: food keeps mammals' metabolic rates high.

Output: keeping


Input:
Sentence1: Mammals generate heat mainly by keeping their metabolic rate high.
Sentence2: food keeps mammals' metabolic rates high.

Output: metabolic


Input:
Sentence1: Mammals generate heat mainly by keeping their metabolic rate high.
Sentence2: food keeps mammals' metabolic rates high.

Output: rate


Input:
Sentence1: killing microorganisms in food can be used to extend the shelf life of that food.
Sentence2: Irradiation kills microorganisms that spoil food.

Output: killing


Input:
Sentence1: killing microorganisms in food can be used to extend the shelf life of that food.
Sentence2: Irradiation kills microorganisms that spoil food.

Output: microorganisms


Input:
Sentence1: sinkholes are formed by precipitation.
Sentence2: Rain is also known as precipitation.

Output: precipitation


Input:
Sentence1: waxy leaves are used for storing water by some plants.
Sentence2: Plants have many adaptations for conserving water or storing it.

Output: storing


Input:
Sentence1: waxy leaves are used for storing water by some plants.
Sentence2: Plants have many adaptations for conserving water or storing it.

Output: water


Input:
Sentence1: a switch is used to start the flow of current in an electrical circuit.
Sentence2: a switch directs current.

Output: switch


Input:
Sentence1: Passive immunity lasts only as long as the antibodies survive in body fluids.
Sentence2: passive immunity lasts only as long as the antibodies survive in blood.

Output: Passive


Input:
Sentence1: Passive immunity lasts only as long as the antibodies survive in body fluids.
Sentence2: passive immunity lasts only as long as the antibodies survive in blood.

Output: antibodies


Input:
Sentence1: Passive immunity lasts only as long as the antibodies survive in body fluids.
Sentence2: passive immunity lasts only as long as the antibodies survive in blood.

Output: immunity


Input:
Sentence1: Passive immunity lasts only as long as the antibodies survive in body fluids.
Sentence2: passive immunity lasts only as long as the antibodies survive in blood.

Output: lasts


Input:
Sentence1: Passive immunity lasts only as long as the antibodies survive in body fluids.
Sentence2: passive immunity lasts only as long as the antibodies survive in blood.

Output: long


Input:
Sentence1: Passive immunity lasts only as long as the antibodies survive in body fluids.
Sentence2: passive immunity lasts only as long as the antibodies survive in blood.

Output: survive


Input:
Sentence1: the mass of an object causes the gravitational force exerted by that object.
Sentence2: the mass of an object causes the attractive force exerted by that object.

Output: causes


Input:
Sentence1: the mass of an object causes the gravitational force exerted by that object.
Sentence2: the mass of an object causes the attractive force exerted by that object.

Output: exerted


Input:
Sentence1: the mass of an object causes the gravitational force exerted by that object.
Sentence2: the mass of an object causes the attractive force exerted by that object.

Output: mass


Input:
Sentence1: the mass of an object causes the gravitational force exerted by that object.
Sentence2: the mass of an object causes the attractive force exerted by that object.

Output: object


Input:
Sentence1: seeing requires light.
Sentence2: Sight is the mere ability to see, and the eye's responses to light shining into it.

Output: seeing


Input:
Sentence1: a firecracker converts chemical energy into sound.
Sentence2: a firework converts chemical energy into sound.

Output: chemical


Input:
Sentence1: a firecracker converts chemical energy into sound.
Sentence2: a firework converts chemical energy into sound.

Output: converts


Input:
Sentence1: a firecracker converts chemical energy into sound.
Sentence2: a firework converts chemical energy into sound.

Output: energy


Input:
Sentence1: a firecracker converts chemical energy into sound.
Sentence2: a firework converts chemical energy into sound.

Output: sound


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

Output: Plants


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

Output: deciduous


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

Output: plants


Input:
Sentence1: an egg requires warmth to survive.
Sentence2: An egg requires warmth to live.

Output: an


Input:
Sentence1: an egg requires warmth to survive.
Sentence2: An egg requires warmth to live.

Output: egg


Input:
Sentence1: an egg requires warmth to survive.
Sentence2: An egg requires warmth to live.

Output: requires


Input:
Sentence1: an egg requires warmth to survive.
Sentence2: An egg requires warmth to live.

Output: to


Input:
Sentence1: an egg requires warmth to survive.
Sentence2: An egg requires warmth to live.

Output: warmth


Input:
Sentence1: fluoride decreases tooth decay.
Sentence2: tap water decreases tooth decay.

Output: decreases


Input:
Sentence1: smoking tobacco decreases stamina.
Sentence2: Smoking tobacco increases the time to recover from fatigue.

Output: smoking


Input:
Sentence1: smoking tobacco decreases stamina.
Sentence2: Smoking tobacco increases the time to recover from fatigue.

Output: tobacco


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

Output: have


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

Output: host


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

Output: penetrating


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

Output: special


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

Output: structures


Input:
Sentence1: harming an animal species has a negative impact on the population size of that species.
Sentence2: harming a kind of animal has a negative impact on the population size of that animal.

Output: animal


Input:
Sentence1: harming an animal species has a negative impact on the population size of that species.
Sentence2: harming a kind of animal has a negative impact on the population size of that animal.

Output: harming


Input:
Sentence1: hibernation is used for conserving energy by some animals.
Sentence2: Animals hibernate in the winter.

Output: hibernation


Input:
Sentence1: Folds are usually caused by compressional forces.
Sentence2: compressional force causes an object to change shape.

Output: compressional


Input:
Sentence1: Folds are usually caused by compressional forces.
Sentence2: compressional force causes an object to change shape.

Output: forces


Input:
Sentence1: Goats are small non-predatory mammals.
Sentence2: goats conserve body heat with their hair or fur.

Output: Goats


Input:
Sentence1: carpooling decreases the amount of cars used to travel to a place.
Sentence2: carpooling leads to less pollution.

Output: carpooling


Input:
Sentence1: Pressure receptors are found mainly in the skin.
Sentence2: free nerve endings can be found in the skin.

Output: found


Input:
Sentence1: Pressure receptors are found mainly in the skin.
Sentence2: free nerve endings can be found in the skin.

Output: in


Input:
Sentence1: Pressure receptors are found mainly in the skin.
Sentence2: free nerve endings can be found in the skin.

Output: skin


Input:
Sentence1: Earth orbiting the Sun causes seasons to change.
Sentence2: Earth orbiting the Sun causes weather changes.

Output: Earth


Input:
Sentence1: Earth orbiting the Sun causes seasons to change.
Sentence2: Earth orbiting the Sun causes weather changes.

Output: Sun


Input:
Sentence1: Earth orbiting the Sun causes seasons to change.
Sentence2: Earth orbiting the Sun causes weather changes.

Output: causes


Input:
Sentence1: Earth orbiting the Sun causes seasons to change.
Sentence2: Earth orbiting the Sun causes weather changes.

Output: orbiting


Input:
Sentence1: water vapor condensing in clouds causes rain.
Sentence2: Condensing is a gas turning into a liquid.

Output: condensing


Input:
Sentence1: Most plants grow from seeds.
Sentence2: animal fur can help plants grow.

Output: grow


Input:
Sentence1: Most plants grow from seeds.
Sentence2: animal fur can help plants grow.

Output: plants


Input:
Sentence1: Metamorphic Rocks Metamorphic Rocks Metamorphic rocks are formed by pressure and heat.
Sentence2: extreme heat and pressure form a type of rock.

Output: formed


Input:
Sentence1: Metamorphic Rocks Metamorphic Rocks Metamorphic rocks are formed by pressure and heat.
Sentence2: extreme heat and pressure form a type of rock.

Output: rocks


Input:
Sentence1: carbon dioxide concentrations in the air have increased over the last decade dramatically.
Sentence2: Increases in carbon dioxide make the greenhouse effect worse.

Output: carbon


Input:
Sentence1: carbon dioxide concentrations in the air have increased over the last decade dramatically.
Sentence2: Increases in carbon dioxide make the greenhouse effect worse.

Output: dioxide


Input:
Sentence1: Electricity is electrons in motion.
Sentence2: completing a circuit causes electrons to flow through that circuit.

Output: electrons


Input:
Sentence1: All sizes are total length.
Sentence2: a tape measure is used to measure all sizes.

Output: All


Input:
Sentence1: All sizes are total length.
Sentence2: a tape measure is used to measure all sizes.

Output: sizes


Input:
Sentence1: Like magnet poles push away or repel each other.
Sentence2: Magnetism can cause objects to push away each other.

Output: away


Input:
Sentence1: Like magnet poles push away or repel each other.
Sentence2: Magnetism can cause objects to push away each other.

Output: push


Input:
Sentence1: Arteries generally carry oxygen-rich blood.
Sentence2: Arteries regulate blood pressure.

Output: blood


Input:
Sentence1: Friction Rubbing an object on another object can produce friction.
Sentence2: rubbing an object on another object causes the temperature of an object to increase.

Output: Rubbing


Input:
Sentence1: Friction Rubbing an object on another object can produce friction.
Sentence2: rubbing an object on another object causes the temperature of an object to increase.

Output: another


Input:
Sentence1: Friction Rubbing an object on another object can produce friction.
Sentence2: rubbing an object on another object causes the temperature of an object to increase.

Output: object


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: gases from burning coal and oil dissolving in water in the atmosphere is harmful.

Output: atmosphere


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: gases from burning coal and oil dissolving in water in the atmosphere is harmful.

Output: burning


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: gases from burning coal and oil dissolving in water in the atmosphere is harmful.

Output: coal


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: gases from burning coal and oil dissolving in water in the atmosphere is harmful.

Output: dissolving


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: gases from burning coal and oil dissolving in water in the atmosphere is harmful.

Output: gases


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: gases from burning coal and oil dissolving in water in the atmosphere is harmful.

Output: oil


Input:
Sentence1: gases from burning coal and oil dissolving in water in the atmosphere causes acid rain.
Sentence2: gases from burning coal and oil dissolving in water in the atmosphere is harmful.

Output: water


Input:
Sentence1: Menopause occurs when menstruation stops occurring, usually in middle adulthood.
Sentence2: It is considered premature for menstruation to stop before age 40.

Output: menstruation


Input:
Sentence1: Menopause occurs when menstruation stops occurring, usually in middle adulthood.
Sentence2: It is considered premature for menstruation to stop before age 40.

Output: stops


Input:
Sentence1: Resistance exercises are weight-lifting exercises.
Sentence2: a pulley is used for exercise.

Output: exercises


Input:
Sentence1: damming a river can cause a lake to form.
Sentence2: The beavers live on this side, and create dams.

Output: damming


Input:
Sentence1: All wood is either pine or oak.
Sentence2: burning oak is used to produce heat.

Output: oak


Input:
Sentence1: Most species go through larval stages after hatching.
Sentence2: Most species go through stages of feeding and growth after hatching.

Output: hatching


Input:
Sentence1: Most species go through larval stages after hatching.
Sentence2: Most species go through stages of feeding and growth after hatching.

Output: species


Input:
Sentence1: when sound reaches the ear , that sound can be heard.
Sentence2: When vibrations reach the ear, music can be heard.

Output: ear


Input:
Sentence1: when sound reaches the ear , that sound can be heard.
Sentence2: When vibrations reach the ear, music can be heard.

Output: heard


Input:
Sentence1: when sound reaches the ear , that sound can be heard.
Sentence2: When vibrations reach the ear, music can be heard.

Output: reaches


Input:
Sentence1: when sound reaches the ear , that sound can be heard.
Sentence2: When vibrations reach the ear, music can be heard.

Output: when


Input:
Sentence1: Many practical devices, such as the mercury thermometer, work on the principle of thermal expansion.
Sentence2: Thermal expansion is used to measure temperature.

Output: expansion


Input:
Sentence1: Many practical devices, such as the mercury thermometer, work on the principle of thermal expansion.
Sentence2: Thermal expansion is used to measure temperature.

Output: thermal


Input:
Sentence1: Some mollusks have a shell.
Sentence2: some animals with shells reproduce sexually.

Output: shell


Input:
Sentence1: Negative feedback controls insulin secretion by the pancreas.
Sentence2: techniques used to precisely control the output control insulin secretion.

Output: controls


Input:
Sentence1: Negative feedback controls insulin secretion by the pancreas.
Sentence2: techniques used to precisely control the output control insulin secretion.

Output: insulin


Input:
Sentence1: Negative feedback controls insulin secretion by the pancreas.
Sentence2: techniques used to precisely control the output control insulin secretion.

Output: secretion


Input:
Sentence1: Fertilization occurs when sperm swim to an egg inside an archegonium.
Sentence2: If fertilized, the egg implants itself in the uterus.

Output: Fertilization


Input:
Sentence1: coal is used for generating heat by burning.
Sentence2: Coal and lignite are the lithified remains of plants.

Output: coal


Input:
Sentence1: Pencil lead is a mixture of graphite and clay.
Sentence2: clay is used to make pencils.

Output: clay


Input:
Sentence1: Sea anemones are close relatives of corals .
Sentence2: close relatives of coral use poisonous darts for defense.

Output: close


Input:
Sentence1: Sea anemones are close relatives of corals .
Sentence2: close relatives of coral use poisonous darts for defense.

Output: corals


Input:
Sentence1: Sea anemones are close relatives of corals .
Sentence2: close relatives of coral use poisonous darts for defense.

Output: relatives


Input:
Sentence1: Flowers produce seeds for reproduction.
Sentence2: flowers require dispersal for reproduction.

Output: Flowers


Input:
Sentence1: When living things die, they quickly begin to decay.
Sentence2: Poison causes things to die and quickly decay.

Output: decay


Input:
Sentence1: When living things die, they quickly begin to decay.
Sentence2: Poison causes things to die and quickly decay.

Output: die


Input:
Sentence1: When living things die, they quickly begin to decay.
Sentence2: Poison causes things to die and quickly decay.

Output: quickly


Input:
Sentence1: Examples of tissues are muscle tissue or nerve tissue.
Sentence2: muscles contain cells.

Output: muscle


Input:
Sentence1: animals require water for survival.
Sentence2: Water hydrates the cells.

Output: water


Input:
Sentence1: If the skin is painful, seek medical attention.
Sentence2: If your skin hurts, your touch receptors will sense differences.

Output: skin


Input:
Sentence1: Proteins are sometimes coats of a virus.
Sentence2: some viruses have a coating of phospholipids.

Output: virus


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

Output: amphibians


Input:
Sentence1: Gila monsters are reptiles.
Sentence2: Gila monsters provide little if any care to their young.

Output: Gila


Input:
Sentence1: Gila monsters are reptiles.
Sentence2: Gila monsters provide little if any care to their young.

Output: monsters


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Wells are drilled into groundwater and springs are fed by groundwater.

Output: groundwater


Input:
Sentence1: All animals are heterotrophs.
Sentence2: all cats are heterotrophs.

Output: All


Input:
Sentence1: All animals are heterotrophs.
Sentence2: all cats are heterotrophs.

Output: heterotrophs


Input:
Sentence1: Many antibiotics are derived from fungi.
Sentence2: bladder infections can be treated with fungi.

Output: fungi


Input:
Sentence1: Busses and trains are excellent modes of transportation.
Sentence2: trains are used for moving people.

Output: trains


Input:
Sentence1: being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time.
Sentence2: Marshes and swamps are wetlands.

Output: swamp


Input:
Sentence1: Cuticle helps prevent water loss, abrasions, infections, and damage from toxins.
Sentence2: The upper epidermis has a layer which helps prevent water loss, abrasions, infections, and damage from toxins.

Output: abrasions


Input:
Sentence1: Cuticle helps prevent water loss, abrasions, infections, and damage from toxins.
Sentence2: The upper epidermis has a layer which helps prevent water loss, abrasions, infections, and damage from toxins.

Output: damage


Input:
Sentence1: Cuticle helps prevent water loss, abrasions, infections, and damage from toxins.
Sentence2: The upper epidermis has a layer which helps prevent water loss, abrasions, infections, and damage from toxins.

Output: helps


Input:
Sentence1: Cuticle helps prevent water loss, abrasions, infections, and damage from toxins.
Sentence2: The upper epidermis has a layer which helps prevent water loss, abrasions, infections, and damage from toxins.

Output: infections


Input:
Sentence1: Cuticle helps prevent water loss, abrasions, infections, and damage from toxins.
Sentence2: The upper epidermis has a layer which helps prevent water loss, abrasions, infections, and damage from toxins.

Output: loss


Input:
Sentence1: Cuticle helps prevent water loss, abrasions, infections, and damage from toxins.
Sentence2: The upper epidermis has a layer which helps prevent water loss, abrasions, infections, and damage from toxins.

Output: prevent


Input:
Sentence1: Cuticle helps prevent water loss, abrasions, infections, and damage from toxins.
Sentence2: The upper epidermis has a layer which helps prevent water loss, abrasions, infections, and damage from toxins.

Output: toxins


Input:
Sentence1: Cuticle helps prevent water loss, abrasions, infections, and damage from toxins.
Sentence2: The upper epidermis has a layer which helps prevent water loss, abrasions, infections, and damage from toxins.

Output: water


Input:
Sentence1: Lung cancer is most often caused by exposure to tobacco smoke.
Sentence2: exposure to tobacco smoke causes tumors.

Output: smoke


Input:
Sentence1: Lung cancer is most often caused by exposure to tobacco smoke.
Sentence2: exposure to tobacco smoke causes tumors.

Output: tobacco


Input:
Sentence1: a sifter is used for separating mixtures.
Sentence2: a sifter is used for separating combined ingredients.

Output: separating


Input:
Sentence1: a sifter is used for separating mixtures.
Sentence2: a sifter is used for separating combined ingredients.

Output: sifter


Input:
Sentence1: a sifter is used for separating mixtures.
Sentence2: a sifter is used for separating combined ingredients.

Output: used


Input:
Sentence1: Heterotrophs are living things that cannot make their own food.
Sentence2: Green plants are not Heterotrophs.

Output: Heterotrophs


Input:
Sentence1: Vesicle transport requires energy, so it is also a form of active transport.
Sentence2: Active transport involves movement of substances against a chemical gradient.

Output: active


Input:
Sentence1: Vesicle transport requires energy, so it is also a form of active transport.
Sentence2: Active transport involves movement of substances against a chemical gradient.

Output: transport


Input:
Sentence1: a rainbow is formed by refraction of light by separating light into all different colors.
Sentence2: When the light waves strike a prism, the rays of light refract, or bend, at different angles.

Output: light


Input:
Sentence1: a rainbow is formed by refraction of light by separating light into all different colors.
Sentence2: When the light waves strike a prism, the rays of light refract, or bend, at different angles.

Output: refraction


Input:
Sentence1: If thermal pollution is severe, then the entire aquatic ecosystem can be destroyed.
Sentence2: Pesticides can cause entire ecosystems to be destroyed.

Output: destroyed


Input:
Sentence1: If thermal pollution is severe, then the entire aquatic ecosystem can be destroyed.
Sentence2: Pesticides can cause entire ecosystems to be destroyed.

Output: ecosystem


Input:
Sentence1: If thermal pollution is severe, then the entire aquatic ecosystem can be destroyed.
Sentence2: Pesticides can cause entire ecosystems to be destroyed.

Output: entire


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: Coral reefs provide food and shelter to many fish.

Output: Coral


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: Coral reefs provide food and shelter to many fish.

Output: food


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: Coral reefs provide food and shelter to many fish.

Output: many


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: Coral reefs provide food and shelter to many fish.

Output: provide


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: Coral reefs provide food and shelter to many fish.

Output: reefs


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: Coral reefs provide food and shelter to many fish.

Output: shelter


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

Output: cells


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

Output: divide


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

Output: more


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

Output: normal


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

Output: often


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

Output: than


Input:
Sentence1: Killer whales prefer shallow and colder coastal waters.
Sentence2: Killer whales are a marine species.

Output: Killer


Input:
Sentence1: Killer whales prefer shallow and colder coastal waters.
Sentence2: Killer whales are a marine species.

Output: whales


Input:
Sentence1: Clouds are one form of condensation.
Sentence2: Clouds are one form of changing from a gas into a liquid by reducing heat energy.

Output: Clouds


Input:
Sentence1: pathogens can cause disease.
Sentence2: Anthrax is an example of a bacterial pathogen.

Output: pathogens


Input:
Sentence1: plasma is formed by electrons separating from atoms in stars.
Sentence2: Most of the plasma is electrons and protons.

Output: electrons


Input:
Sentence1: Ancestors of hagfish are thought to have been the earliest vertebrates.
Sentence2: some vertebrates have no hard tissues.

Output: vertebrates


Input:
Sentence1: a breathing mask is used for keeping harmful particles from entering the respiratory system.
Sentence2: a breathing mask is used for keeping harmful particles from entering the lungs.

Output: breathing


Input:
Sentence1: a breathing mask is used for keeping harmful particles from entering the respiratory system.
Sentence2: a breathing mask is used for keeping harmful particles from entering the lungs.

Output: entering


Input:
Sentence1: a breathing mask is used for keeping harmful particles from entering the respiratory system.
Sentence2: a breathing mask is used for keeping harmful particles from entering the lungs.

Output: harmful


Input:
Sentence1: a breathing mask is used for keeping harmful particles from entering the respiratory system.
Sentence2: a breathing mask is used for keeping harmful particles from entering the lungs.

Output: keeping


Input:
Sentence1: a breathing mask is used for keeping harmful particles from entering the respiratory system.
Sentence2: a breathing mask is used for keeping harmful particles from entering the lungs.

Output: mask


Input:
Sentence1: a breathing mask is used for keeping harmful particles from entering the respiratory system.
Sentence2: a breathing mask is used for keeping harmful particles from entering the lungs.

Output: particles


Input:
Sentence1: a breathing mask is used for keeping harmful particles from entering the respiratory system.
Sentence2: a breathing mask is used for keeping harmful particles from entering the lungs.

Output: used


Input:
Sentence1: Every living thing, animal and plant, are given a classification.
Sentence2: Cells make up the structure and function of plants and animals.

Output: animal


Input:
Sentence1: Every living thing, animal and plant, are given a classification.
Sentence2: Cells make up the structure and function of plants and animals.

Output: plant


Input:
Sentence1: Weather Clear weather usually means good visibility.
Sentence2: High pressure systems cause good visibility.

Output: good


Input:
Sentence1: Weather Clear weather usually means good visibility.
Sentence2: High pressure systems cause good visibility.

Output: visibility


Input:
Sentence1: Precipitation falls on the windward side of the mountain range.
Sentence2: The windiest side of a mountainous peninsula would have the most precipitation.

Output: Precipitation


Input:
Sentence1: Precipitation falls on the windward side of the mountain range.
Sentence2: The windiest side of a mountainous peninsula would have the most precipitation.

Output: mountain


Input:
Sentence1: Water is essential for all life on Earth.
Sentence2: Water is essential for all life in the world.

Output: Water


Input:
Sentence1: Water is essential for all life on Earth.
Sentence2: Water is essential for all life in the world.

Output: essential


Input:
Sentence1: Water is essential for all life on Earth.
Sentence2: Water is essential for all life in the world.

Output: life


Input:
Sentence1: Thus, touching the head of another person, threatens the well being of that person.
Sentence2: Bacteria may spread directly by touching a person's head.

Output: head


Input:
Sentence1: Thus, touching the head of another person, threatens the well being of that person.
Sentence2: Bacteria may spread directly by touching a person's head.

Output: person


Input:
Sentence1: Thus, touching the head of another person, threatens the well being of that person.
Sentence2: Bacteria may spread directly by touching a person's head.

Output: touching


Input:
Sentence1: Plants and animals are organisms.
Sentence2: having food has a positive impact on a plant's health.

Output: Plants


Input:
Sentence1: Catalysts lower the activation energy for reactions.
Sentence2: Catalysts lower the input required for chemical reactions to get started.

Output: Catalysts


Input:
Sentence1: Catalysts lower the activation energy for reactions.
Sentence2: Catalysts lower the input required for chemical reactions to get started.

Output: lower


Input:
Sentence1: Conclusions Floods and drought are realities of desert life.
Sentence2: deserts have decreased precipitation.

Output: desert


Input:
Sentence1: Bacteria may spread directly from one person to another.
Sentence2: Bacteria are yet another type of microbial control agent.

Output: Bacteria


Input:
Sentence1: People understand that habitat destruction and pollution are harmful to wildlife.
Sentence2: pollution has a negative impact on the population size of a species.

Output: pollution


Input:
Sentence1: Animals and humans eat plants for their nutrients.
Sentence2: Humans depend on sunlight.

Output: humans


Input:
Sentence1: when the season changes , the amount of daylight will change.
Sentence2: Seasons occur due to the tilt of the Earth's axis and the orbit of the Earth around the Sun.

Output: season


Input:
Sentence1: Protozoa can be classified on the basis of how they move.
Sentence2: Ciliates are ciliated protozoa.

Output: Protozoa


Input:
Sentence1: electrical current running through a wire causes that wire to heat up.
Sentence2: kinetic energy  running through a wire causes that wire to heat up.

Output: causes


Input:
Sentence1: electrical current running through a wire causes that wire to heat up.
Sentence2: kinetic energy  running through a wire causes that wire to heat up.

Output: heat


Input:
Sentence1: electrical current running through a wire causes that wire to heat up.
Sentence2: kinetic energy  running through a wire causes that wire to heat up.

Output: running


Input:
Sentence1: electrical current running through a wire causes that wire to heat up.
Sentence2: kinetic energy  running through a wire causes that wire to heat up.

Output: through


Input:
Sentence1: electrical current running through a wire causes that wire to heat up.
Sentence2: kinetic energy  running through a wire causes that wire to heat up.

Output: up


Input:
Sentence1: electrical current running through a wire causes that wire to heat up.
Sentence2: kinetic energy  running through a wire causes that wire to heat up.

Output: wire


Input:
Sentence1: Plants have specialized reproductive organs.
Sentence2: trees have specialized reproductive organs.

Output: have


Input:
Sentence1: Plants have specialized reproductive organs.
Sentence2: trees have specialized reproductive organs.

Output: organs


Input:
Sentence1: Plants have specialized reproductive organs.
Sentence2: trees have specialized reproductive organs.

Output: reproductive


Input:
Sentence1: Plants have specialized reproductive organs.
Sentence2: trees have specialized reproductive organs.

Output: specialized


Input:
Sentence1: Tree rings are examined to learn the forest age and growth rate.
Sentence2: the rings in a tree determined the growth rate of the forest.

Output: growth


Input:
Sentence1: Tree rings are examined to learn the forest age and growth rate.
Sentence2: the rings in a tree determined the growth rate of the forest.

Output: rate


Input:
Sentence1: Any antigen that causes an allergy is called an allergen.
Sentence2: Mold allergenicity Molds are strong allergens .

Output: allergy


Input:
Sentence1: Cars and busses are both examples of vehicles.
Sentence2: Cars and busses are used for transportation.

Output: Cars


Input:
Sentence1: Cars and busses are both examples of vehicles.
Sentence2: Cars and busses are used for transportation.

Output: busses


Input:
Sentence1: Smoking constricts arteries and increases clotting to block arteries.
Sentence2: Smoking interferes with the transport of oxygen-rich blood in the body.

Output: Smoking


Input:
Sentence1: Habitats often provide animals with camouflage, or places to hide from predators or prey.
Sentence2: Living underground can camouflage an animal to stay safe.

Output: animals


Input:
Sentence1: Habitats often provide animals with camouflage, or places to hide from predators or prey.
Sentence2: Living underground can camouflage an animal to stay safe.

Output: camouflage


Input:
Sentence1: force causes the speed of an object to increase.
Sentence2: Kinetic energy varies as the square of the speed of a moving body.

Output: speed


Input:
Sentence1: Ethologists usually study how animals behave in their natural environment.
Sentence2: Many ethologists capture their observations on videotape or audio tape.

Output: Ethologists


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

Output: extreme


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

Output: heat


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

Output: pressure


Input:
Sentence1: Specialization occurs when competing species evolve different adaptations.
Sentence2: evolving different adaptations increases survival.

Output: adaptations


Input:
Sentence1: Specialization occurs when competing species evolve different adaptations.
Sentence2: evolving different adaptations increases survival.

Output: different


Input:
Sentence1: Specialization occurs when competing species evolve different adaptations.
Sentence2: evolving different adaptations increases survival.

Output: evolve


Input:
Sentence1: Bladder infections can be treated with antibiotics prescribed by a doctor.
Sentence2: Bladder infections can be treated with antibiotics prescribed by some humans that make mistakes.

Output: Bladder


Input:
Sentence1: Bladder infections can be treated with antibiotics prescribed by a doctor.
Sentence2: Bladder infections can be treated with antibiotics prescribed by some humans that make mistakes.

Output: antibiotics


Input:
Sentence1: Bladder infections can be treated with antibiotics prescribed by a doctor.
Sentence2: Bladder infections can be treated with antibiotics prescribed by some humans that make mistakes.

Output: infections


Input:
Sentence1: Bladder infections can be treated with antibiotics prescribed by a doctor.
Sentence2: Bladder infections can be treated with antibiotics prescribed by some humans that make mistakes.

Output: prescribed


Input:
Sentence1: Bladder infections can be treated with antibiotics prescribed by a doctor.
Sentence2: Bladder infections can be treated with antibiotics prescribed by some humans that make mistakes.

Output: treated


Input:
Sentence1: Ribosomes are sites where proteins are made.
Sentence2: sites where proteins are made consist of RNA and proteins.

Output: made


Input:
Sentence1: Ribosomes are sites where proteins are made.
Sentence2: sites where proteins are made consist of RNA and proteins.

Output: proteins


Input:
Sentence1: Ribosomes are sites where proteins are made.
Sentence2: sites where proteins are made consist of RNA and proteins.

Output: sites


Input:
Sentence1: Ribosomes are sites where proteins are made.
Sentence2: sites where proteins are made consist of RNA and proteins.

Output: where


Input:
Sentence1: Among the most destructive types of debris flows are those that accompany volcanic eruptions.
Sentence2: tectonic plate movement can lead to debris flows.

Output: debris


Input:
Sentence1: Among the most destructive types of debris flows are those that accompany volcanic eruptions.
Sentence2: tectonic plate movement can lead to debris flows.

Output: flows


Input:
Sentence1: Soil Erosion Soil erosion is a natural process.
Sentence2: wind and rain is a natural process.

Output: natural


Input:
Sentence1: Soil Erosion Soil erosion is a natural process.
Sentence2: wind and rain is a natural process.

Output: process


Input:
Sentence1: Amino acids are proteins.
Sentence2: molecules of tRNA bring proteins to the ribosome.

Output: proteins


Input:
Sentence1: thick fur can be used for keeping warm.
Sentence2: otters can be used to make clothing for keeping warm.

Output: for


Input:
Sentence1: thick fur can be used for keeping warm.
Sentence2: otters can be used to make clothing for keeping warm.

Output: keeping


Input:
Sentence1: thick fur can be used for keeping warm.
Sentence2: otters can be used to make clothing for keeping warm.

Output: warm


Input:
Sentence1: Insects are the largest group of arthropods.
Sentence2: Insects belong to the largest phylum of invertibrates.

Output: Insects


Input:
Sentence1: when a river floods , that river deposits soil in flood plains.
Sentence2: Minerals are the constituents of rocks, sediments, and soils.

Output: soil


Input:
Sentence1: if heat is conducted to an object then that object will become hot.
Sentence2: Because the surface of the ocean is heated by sunlight, the depths are cooler.

Output: heat


Input:
Sentence1: Oil is less dense than water.
Sentence2: water sinks in oil because of gravity.

Output: Oil


Input:
Sentence1: Oil is less dense than water.
Sentence2: water sinks in oil because of gravity.

Output: water


Input:
Sentence1: Genetics is the study of inheritance.
Sentence2: Pedigrees are useful tools for studying genetics.

Output: Genetics


Input:
Sentence1: microbial fuel cells convert chemical energy into electrical energy.
Sentence2: Microbial fuel cells convert chemical energy into power.

Output: cells


Input:
Sentence1: microbial fuel cells convert chemical energy into electrical energy.
Sentence2: Microbial fuel cells convert chemical energy into power.

Output: chemical


Input:
Sentence1: microbial fuel cells convert chemical energy into electrical energy.
Sentence2: Microbial fuel cells convert chemical energy into power.

Output: convert


Input:
Sentence1: microbial fuel cells convert chemical energy into electrical energy.
Sentence2: Microbial fuel cells convert chemical energy into power.

Output: energy


Input:
Sentence1: microbial fuel cells convert chemical energy into electrical energy.
Sentence2: Microbial fuel cells convert chemical energy into power.

Output: fuel


Input:
Sentence1: microbial fuel cells convert chemical energy into electrical energy.
Sentence2: Microbial fuel cells convert chemical energy into power.

Output: microbial


Input:
Sentence1: Scales protect fish from predators and parasites and reduce friction with the water.
Sentence2: Scales provide protection and camouflage.

Output: protect


Input:
Sentence1: skin is used for breathing air by frogs.
Sentence2: skin is used for breathing air by tadpoles.

Output: air


Input:
Sentence1: skin is used for breathing air by frogs.
Sentence2: skin is used for breathing air by tadpoles.

Output: breathing


Input:
Sentence1: skin is used for breathing air by frogs.
Sentence2: skin is used for breathing air by tadpoles.

Output: skin


Input:
Sentence1: skin is used for breathing air by frogs.
Sentence2: skin is used for breathing air by tadpoles.

Output: used


Input:
Sentence1: Drought causes famine, which contributes to decentralization and unrest.
Sentence2: A decrease in precipitation can cause famine.

Output: causes


Input:
Sentence1: Drought causes famine, which contributes to decentralization and unrest.
Sentence2: A decrease in precipitation can cause famine.

Output: famine


Input:
Sentence1: satellite technology is used for predicting the weather.
Sentence2: Satellite technology is a synchronous learning technology.

Output: satellite


Input:
Sentence1: the vanes rotating in an electric fan causes air to move.
Sentence2: Vanes in a fan spinning causes air to move.

Output: air


Input:
Sentence1: the vanes rotating in an electric fan causes air to move.
Sentence2: Vanes in a fan spinning causes air to move.

Output: fan


Input:
Sentence1: the vanes rotating in an electric fan causes air to move.
Sentence2: Vanes in a fan spinning causes air to move.

Output: move


Input:
Sentence1: the vanes rotating in an electric fan causes air to move.
Sentence2: Vanes in a fan spinning causes air to move.

Output: vanes


Input:
Sentence1: Paleontologist study the fossils of dinosuars.
Sentence2: scientists study dinosaur fossils.

Output: dinosuars


Input:
Sentence1: sweat is used for adjusting to hot temperatures by some animals.
Sentence2: Skin helps some animals to adjust to hot temperatures.

Output: adjusting


Input:
Sentence1: sweat is used for adjusting to hot temperatures by some animals.
Sentence2: Skin helps some animals to adjust to hot temperatures.

Output: animals


Input:
Sentence1: sweat is used for adjusting to hot temperatures by some animals.
Sentence2: Skin helps some animals to adjust to hot temperatures.

Output: hot


Input:
Sentence1: sweat is used for adjusting to hot temperatures by some animals.
Sentence2: Skin helps some animals to adjust to hot temperatures.

Output: some


Input:
Sentence1: sweat is used for adjusting to hot temperatures by some animals.
Sentence2: Skin helps some animals to adjust to hot temperatures.

Output: temperatures


Input:
Sentence1: Milk was loaded with bacteria that quickly spoiled, making it undrinkable.
Sentence2: milk can be made undrinkable by bacteria.

Output: Milk


Input:
Sentence1: an earthquake causes the ground to shake.
Sentence2: Earthquakes cause damage to man-made structures.

Output: causes


Input:
Sentence1: an earthquake causes the ground to shake.
Sentence2: Earthquakes cause damage to man-made structures.

Output: earthquake


Input:
Sentence1: a radio is used for communication.
Sentence2: A radio is used to share an idea or message.

Output: radio


Input:
Sentence1: a radio is used for communication.
Sentence2: A radio is used to share an idea or message.

Output: used


Input:
Sentence1: if a neutral atom loses an electron then an atom with a negative charge will be formed.
Sentence2: if a neutral atom loses an electron it will become attracted to positive charges.

Output: atom


Input:
Sentence1: if a neutral atom loses an electron then an atom with a negative charge will be formed.
Sentence2: if a neutral atom loses an electron it will become attracted to positive charges.

Output: electron


Input:
Sentence1: if a neutral atom loses an electron then an atom with a negative charge will be formed.
Sentence2: if a neutral atom loses an electron it will become attracted to positive charges.

Output: loses


Input:
Sentence1: if a neutral atom loses an electron then an atom with a negative charge will be formed.
Sentence2: if a neutral atom loses an electron it will become attracted to positive charges.

Output: neutral


Input:
Sentence1: Mollusks are invertebrates such as the common snail.
Sentence2: Gastropods are snails and slugs.

Output: snail


Input:
Sentence1: a wildfire changes an ecosystem drastically.
Sentence2: uncontrollable burning changes an ecosystem drastically.

Output: changes


Input:
Sentence1: a wildfire changes an ecosystem drastically.
Sentence2: uncontrollable burning changes an ecosystem drastically.

Output: drastically


Input:
Sentence1: a wildfire changes an ecosystem drastically.
Sentence2: uncontrollable burning changes an ecosystem drastically.

Output: ecosystem


Input:
Sentence1: Pollen consists of tiny grains that are the male gametes of plants.
Sentence2: Animals that reproduce sexually produce sex cells, or gametes.

Output: gametes


Input:
Sentence1: Gene cloning is the process of isolating and making copies of a gene.
Sentence2: Gene cloning permits direct detection of gene mutations.

Output: Gene


Input:
Sentence1: Gene cloning is the process of isolating and making copies of a gene.
Sentence2: Gene cloning permits direct detection of gene mutations.

Output: cloning


Input:
Sentence1: sugar causes food to taste sweet.
Sentence2: Honey is made up of a natural sugar.

Output: sugar


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

Output: pollutants


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder can be used to measure volume of Gasoline.

Output: cylinder


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder can be used to measure volume of Gasoline.

Output: graduated


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder can be used to measure volume of Gasoline.

Output: measure


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder can be used to measure volume of Gasoline.

Output: used


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder can be used to measure volume of Gasoline.

Output: volume


Input:
Sentence1: Slate is a metamorphic rock.
Sentence2: slate is formed with extreme heat and pressure.

Output: Slate


Input:
Sentence1: Besides, evolution means stronger members of the species survive.
Sentence2: mutations help species grow stronger.

Output: stronger


Input:
Sentence1: Sunlight is energy released from fusion reactions in the sun.
Sentence2: photosynthesis requires energy from the sun.

Output: sun


Input:
Sentence1: Frogs also have a larynx, or voice box, to make sounds.
Sentence2: some amphibians have a larynx, or voice box, to make sounds.

Output: box


Input:
Sentence1: Frogs also have a larynx, or voice box, to make sounds.
Sentence2: some amphibians have a larynx, or voice box, to make sounds.

Output: larynx


Input:
Sentence1: Frogs also have a larynx, or voice box, to make sounds.
Sentence2: some amphibians have a larynx, or voice box, to make sounds.

Output: make


Input:
Sentence1: Frogs also have a larynx, or voice box, to make sounds.
Sentence2: some amphibians have a larynx, or voice box, to make sounds.

Output: sounds


Input:
Sentence1: Frogs also have a larynx, or voice box, to make sounds.
Sentence2: some amphibians have a larynx, or voice box, to make sounds.

Output: voice


Input:
Sentence1: Adult sponges produce eggs and sperm.
Sentence2: Sponges are the most primitive multicellular animals.

Output: sponges


Input:
Sentence1: Bone is less flexible than cartilage but stronger.
Sentence2: regular skeletons are less flexible than shark skeletons but stronger.

Output: but


Input:
Sentence1: Bone is less flexible than cartilage but stronger.
Sentence2: regular skeletons are less flexible than shark skeletons but stronger.

Output: flexible


Input:
Sentence1: Bone is less flexible than cartilage but stronger.
Sentence2: regular skeletons are less flexible than shark skeletons but stronger.

Output: less


Input:
Sentence1: Bone is less flexible than cartilage but stronger.
Sentence2: regular skeletons are less flexible than shark skeletons but stronger.

Output: stronger


Input:
Sentence1: Amphibians have permeable skin that easily absorbs substances from the environment.
Sentence2: Some substances are harmful to the body and block biological systems.

Output: substances


Input:
Sentence1: HIV infects and destroys helper T cells.
Sentence2: antibodies can infect and destroy helper T cells.

Output: T


Input:
Sentence1: HIV infects and destroys helper T cells.
Sentence2: antibodies can infect and destroy helper T cells.

Output: cells


Input:
Sentence1: HIV infects and destroys helper T cells.
Sentence2: antibodies can infect and destroy helper T cells.

Output: destroys


Input:
Sentence1: HIV infects and destroys helper T cells.
Sentence2: antibodies can infect and destroy helper T cells.

Output: helper


Input:
Sentence1: HIV infects and destroys helper T cells.
Sentence2: antibodies can infect and destroy helper T cells.

Output: infects


Input:
Sentence1: Most fungi get organic compounds from dead organisms.
Sentence2: Bacteria, fungi and plants can be used to break down organic compounds or extract metals.

Output: fungi


Input:
Sentence1: If an atom loses an electron, it is then positive.
Sentence2: an atom can be negative.

Output: atom


Input:
Sentence1: Organisms have to be better adapted as population size increases.
Sentence2: having no natural predators means organisms have to be better adapted.

Output: Organisms


Input:
Sentence1: Organisms have to be better adapted as population size increases.
Sentence2: having no natural predators means organisms have to be better adapted.

Output: adapted


Input:
Sentence1: Organisms have to be better adapted as population size increases.
Sentence2: having no natural predators means organisms have to be better adapted.

Output: better


Input:
Sentence1: Precipitation falls on the windward side of the mountain range.
Sentence2: Rainfall falls on the windward side.

Output: side


Input:
Sentence1: Precipitation falls on the windward side of the mountain range.
Sentence2: Rainfall falls on the windward side.

Output: windward


Input:
Sentence1: Sweat glands produce more sweat.
Sentence2: When the body is hot, something coming from a gland is produced to cool the body.

Output: glands


Input:
Sentence1: Running water is better able to dissolve oxygen and nutrients than standing water.
Sentence2: Streams and creeks provide running water.

Output: Running


Input:
Sentence1: Running water is better able to dissolve oxygen and nutrients than standing water.
Sentence2: Streams and creeks provide running water.

Output: water


Input:
Sentence1: Skin color is another polygenic trait.
Sentence2: tourette syndrome is a trait.

Output: trait


Input:
Sentence1: Aminoacylation is the adding of an amino acid to the tRNA molecule.
Sentence2: Aminoacylation bring amino acids to the ribosome in the correct sequence.

Output: Aminoacylation


Input:
Sentence1: Slime molds are fungus-like protists commonly found on rotting logs and compost.
Sentence2: nuisance fungus are commonly found on rotting logs and compost.

Output: commonly


Input:
Sentence1: Slime molds are fungus-like protists commonly found on rotting logs and compost.
Sentence2: nuisance fungus are commonly found on rotting logs and compost.

Output: compost


Input:
Sentence1: Slime molds are fungus-like protists commonly found on rotting logs and compost.
Sentence2: nuisance fungus are commonly found on rotting logs and compost.

Output: found


Input:
Sentence1: Slime molds are fungus-like protists commonly found on rotting logs and compost.
Sentence2: nuisance fungus are commonly found on rotting logs and compost.

Output: logs


Input:
Sentence1: Slime molds are fungus-like protists commonly found on rotting logs and compost.
Sentence2: nuisance fungus are commonly found on rotting logs and compost.

Output: rotting


Input:
Sentence1: fog is formed by water vapor condensing in the air.
Sentence2: When air cools, the water vapor in the air condenses.".

Output: condensing


Input:
Sentence1: fog is formed by water vapor condensing in the air.
Sentence2: When air cools, the water vapor in the air condenses.".

Output: vapor


Input:
Sentence1: fog is formed by water vapor condensing in the air.
Sentence2: When air cools, the water vapor in the air condenses.".

Output: water


Input:
Sentence1: Lung cancer is most often caused by exposure to tobacco smoke.
Sentence2: Tobacco smoke contains tar.

Output: smoke


Input:
Sentence1: Lung cancer is most often caused by exposure to tobacco smoke.
Sentence2: Tobacco smoke contains tar.

Output: tobacco


Input:
Sentence1: Some mollusks are nearly microscopic.
Sentence2: Some squids are nearly microscopic.

Output: Some


Input:
Sentence1: Some mollusks are nearly microscopic.
Sentence2: Some squids are nearly microscopic.

Output: microscopic


Input:
Sentence1: Some mollusks are nearly microscopic.
Sentence2: Some squids are nearly microscopic.

Output: nearly


Input:
Sentence1: Wetting provides moisture to make brine.
Sentence2: Most aquatic organisms do not have to deal with extremes of temperature or wetness.

Output: Wetting


Input:
Sentence1: Whiskers Whiskers are the stiff hairs on the dog's face.
Sentence2: Stiff hairs on the face are used for feeling by animals.

Output: face


Input:
Sentence1: Whiskers Whiskers are the stiff hairs on the dog's face.
Sentence2: Stiff hairs on the face are used for feeling by animals.

Output: hairs


Input:
Sentence1: Whiskers Whiskers are the stiff hairs on the dog's face.
Sentence2: Stiff hairs on the face are used for feeling by animals.

Output: stiff


Input:
Sentence1: Condoms can break; Condoms can be used incorrectly.
Sentence2: latex rubber can break.

Output: break


Input:
Sentence1: Condoms can break; Condoms can be used incorrectly.
Sentence2: latex rubber can break.

Output: can


Input:
Sentence1: Yeast reproduce asexually by budding.
Sentence2: some fungi reproduce asexually by budding.

Output: asexually


Input:
Sentence1: Yeast reproduce asexually by budding.
Sentence2: some fungi reproduce asexually by budding.

Output: budding


Input:
Sentence1: Yeast reproduce asexually by budding.
Sentence2: some fungi reproduce asexually by budding.

Output: reproduce


Input:
Sentence1: Bighorns have hollow hair that traps body heat.
Sentence2: bighorns' hollow hair prevents heat loss.

Output: Bighorns


Input:
Sentence1: Bighorns have hollow hair that traps body heat.
Sentence2: bighorns' hollow hair prevents heat loss.

Output: hair


Input:
Sentence1: Bighorns have hollow hair that traps body heat.
Sentence2: bighorns' hollow hair prevents heat loss.

Output: hollow


Input:
Sentence1: Some parasites kill their host, but most do not.
Sentence2: Parasites include parasitic wasps, and certain flies and nematodes.

Output: parasites


Input:
Sentence1: Fractures heal when osteoclasts form new bone.
Sentence2: New bone is formed by elevated oxygen tensions.

Output: bone


Input:
Sentence1: Fractures heal when osteoclasts form new bone.
Sentence2: New bone is formed by elevated oxygen tensions.

Output: new


Input:
Sentence1: Male dogs use pheromones in urine to mark their territory.
Sentence2: male dogs use natural aphrodisiacs in urine to mark their territory.

Output: Male


Input:
Sentence1: Male dogs use pheromones in urine to mark their territory.
Sentence2: male dogs use natural aphrodisiacs in urine to mark their territory.

Output: dogs


Input:
Sentence1: Male dogs use pheromones in urine to mark their territory.
Sentence2: male dogs use natural aphrodisiacs in urine to mark their territory.

Output: mark


Input:
Sentence1: Male dogs use pheromones in urine to mark their territory.
Sentence2: male dogs use natural aphrodisiacs in urine to mark their territory.

Output: territory


Input:
Sentence1: Male dogs use pheromones in urine to mark their territory.
Sentence2: male dogs use natural aphrodisiacs in urine to mark their territory.

Output: urine


Input:
Sentence1: Male dogs use pheromones in urine to mark their territory.
Sentence2: male dogs use natural aphrodisiacs in urine to mark their territory.

Output: use


Input:
Sentence1: when metal conducts heat , that metal expands.
Sentence2: When copper conducts heat it expands.

Output: conducts


Input:
Sentence1: when metal conducts heat , that metal expands.
Sentence2: When copper conducts heat it expands.

Output: expands


Input:
Sentence1: when metal conducts heat , that metal expands.
Sentence2: When copper conducts heat it expands.

Output: heat


Input:
Sentence1: Rainforests are destroyed by logging and all of the trees are cut down.
Sentence2: Logging  down trees destroys rainforests.

Output: Rainforests


Input:
Sentence1: Rainforests are destroyed by logging and all of the trees are cut down.
Sentence2: Logging  down trees destroys rainforests.

Output: destroyed


Input:
Sentence1: Rainforests are destroyed by logging and all of the trees are cut down.
Sentence2: Logging  down trees destroys rainforests.

Output: logging


Input:
Sentence1: the uterus is used in reproduction.
Sentence2: Embryo are transferred to a place used in reproduction.

Output: reproduction


Input:
Sentence1: the uterus is used in reproduction.
Sentence2: Embryo are transferred to a place used in reproduction.

Output: used


Input:
Sentence1: Scyphozoans are the next group of Cnidarians, and they are the familiar jellyfish.
Sentence2: Scyphozoans are aquatic organisms.

Output: Scyphozoans


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: The looseness of dirt has a positive impact on  plant's roots' growth in that dirt.

Output: growth


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: The looseness of dirt has a positive impact on  plant's roots' growth in that dirt.

Output: impact


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: The looseness of dirt has a positive impact on  plant's roots' growth in that dirt.

Output: looseness


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: The looseness of dirt has a positive impact on  plant's roots' growth in that dirt.

Output: plant


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: The looseness of dirt has a positive impact on  plant's roots' growth in that dirt.

Output: positive


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: The looseness of dirt has a positive impact on  plant's roots' growth in that dirt.

Output: roots'


Input:
Sentence1: uneven heating of the Earth 's surface cause wind.
Sentence2: uneven heating of the Earth's surface causes chinooks.

Output: Earth


Input:
Sentence1: uneven heating of the Earth 's surface cause wind.
Sentence2: uneven heating of the Earth's surface causes chinooks.

Output: heating


Input:
Sentence1: uneven heating of the Earth 's surface cause wind.
Sentence2: uneven heating of the Earth's surface causes chinooks.

Output: surface


Input:
Sentence1: uneven heating of the Earth 's surface cause wind.
Sentence2: uneven heating of the Earth's surface causes chinooks.

Output: uneven


Input:
Sentence1: Mammalian teeth are important for digestion.
Sentence2: Mammalian teeth are important for gleaning nutrients from food.

Output: Mammalian


Input:
Sentence1: Mammalian teeth are important for digestion.
Sentence2: Mammalian teeth are important for gleaning nutrients from food.

Output: are


Input:
Sentence1: Mammalian teeth are important for digestion.
Sentence2: Mammalian teeth are important for gleaning nutrients from food.

Output: important


Input:
Sentence1: Mammalian teeth are important for digestion.
Sentence2: Mammalian teeth are important for gleaning nutrients from food.

Output: teeth


Input:
Sentence1: a solar panel converts sunlight into electricity.
Sentence2: Solar panels work well near the equator.

Output: panel


Input:
Sentence1: a solar panel converts sunlight into electricity.
Sentence2: Solar panels work well near the equator.

Output: solar


Input:
Sentence1: if an object is black then that object absorbs all visible light.
Sentence2: melanistic fur absorbs all visible light.

Output: absorbs


Input:
Sentence1: if an object is black then that object absorbs all visible light.
Sentence2: melanistic fur absorbs all visible light.

Output: all


Input:
Sentence1: if an object is black then that object absorbs all visible light.
Sentence2: melanistic fur absorbs all visible light.

Output: light


Input:
Sentence1: if an object is black then that object absorbs all visible light.
Sentence2: melanistic fur absorbs all visible light.

Output: visible


Input:
Sentence1: Bottleneck effect occurs when a population suddenly gets much smaller.
Sentence2: Animals and plants exist as populations.

Output: population


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: emissions cause acid rain.

Output: emission


Input:
Sentence1: Predators kill and eat their prey.
Sentence2: the threat of being eaten causes a porcupine to extend its quills.

Output: eat


Input:
Sentence1: Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes.
Sentence2: Prokaryotes All bacteria are prokaryotes.

Output: prokaryotes


Input:
Sentence1: evaporation can be used for separating a solute from a solvent in a solution.
Sentence2: Heating liquids can be used to separate a solute from a solvent in a solution.

Output: separating


Input:
Sentence1: evaporation can be used for separating a solute from a solvent in a solution.
Sentence2: Heating liquids can be used to separate a solute from a solvent in a solution.

Output: solute


Input:
Sentence1: evaporation can be used for separating a solute from a solvent in a solution.
Sentence2: Heating liquids can be used to separate a solute from a solvent in a solution.

Output: solution


Input:
Sentence1: evaporation can be used for separating a solute from a solvent in a solution.
Sentence2: Heating liquids can be used to separate a solute from a solvent in a solution.

Output: solvent


Input:
Sentence1: evaporation can be used for separating a solute from a solvent in a solution.
Sentence2: Heating liquids can be used to separate a solute from a solvent in a solution.

Output: used


Input:
Sentence1: Metals are extremely versatile materials.
Sentence2: If an object is made of metal then that objects has the properties of the metal.

Output: Metals


Input:
Sentence1: Experiments yield controlled experiences.
Sentence2: Controlled manipulation can often take place in a lab.

Output: controlled


Input:
Sentence1: an animal requires nutrients to grow and heal.
Sentence2: Microbes can help an animal to grow and heal.

Output: grow


Input:
Sentence1: an animal requires nutrients to grow and heal.
Sentence2: Microbes can help an animal to grow and heal.

Output: heal


Input:
Sentence1: Rain is good, but lots of rain causes destructive flooding.
Sentence2: Stormy weather increases the chances of flooding.

Output: flooding


Input:
Sentence1: a stopwatch is used to measure time.
Sentence2: a stopwatch is used to measure seconds.

Output: a


Input:
Sentence1: a stopwatch is used to measure time.
Sentence2: a stopwatch is used to measure seconds.

Output: is


Input:
Sentence1: a stopwatch is used to measure time.
Sentence2: a stopwatch is used to measure seconds.

Output: measure


Input:
Sentence1: a stopwatch is used to measure time.
Sentence2: a stopwatch is used to measure seconds.

Output: stopwatch


Input:
Sentence1: a stopwatch is used to measure time.
Sentence2: a stopwatch is used to measure seconds.

Output: to


Input:
Sentence1: a stopwatch is used to measure time.
Sentence2: a stopwatch is used to measure seconds.

Output: used


Input:
Sentence1: Unequal heating by the sun s rays causes differences in temperature.
Sentence2: Differences in temperature causes global wind patterns.

Output: differences


Input:
Sentence1: Unequal heating by the sun s rays causes differences in temperature.
Sentence2: Differences in temperature causes global wind patterns.

Output: temperature


Input:
Sentence1: Glucose is used for energy by the cells of most organisms.
Sentence2: sugar is used for energy by the cells of most organisms.

Output: cells


Input:
Sentence1: Glucose is used for energy by the cells of most organisms.
Sentence2: sugar is used for energy by the cells of most organisms.

Output: energy


Input:
Sentence1: Glucose is used for energy by the cells of most organisms.
Sentence2: sugar is used for energy by the cells of most organisms.

Output: organisms


Input:
Sentence1: Glucose is used for energy by the cells of most organisms.
Sentence2: sugar is used for energy by the cells of most organisms.

Output: used


Input:
Sentence1: an animal requires warmth for survival.
Sentence2: Heat is produced to maintain warmth in the boy.

Output: warmth


Input:
Sentence1: pathogens can cause disease.
Sentence2: parasites can cause harmful diseases.

Output: cause


Input:
Sentence1: pathogens can cause disease.
Sentence2: parasites can cause harmful diseases.

Output: disease


Input:
Sentence1: Nerve impulses are received by the dendrites.
Sentence2: dendrites use electricity.

Output: dendrites


Input:
Sentence1: Leeches are external parasites.
Sentence2: Leeches are on the surface of the host .

Output: Leeches


Input:
Sentence1: a gasoline lawn mower converts gasoline into motion.
Sentence2: Diesel and gasoline are chemicals.

Output: gasoline


Input:
Sentence1: Owls eat small prey.
Sentence2: Owls catch small creatures to eat.

Output: Owls


Input:
Sentence1: Distance is measured in meters the SI unit of distance.
Sentence2: The SI unit of distance is in meters.

Output: SI


Input:
Sentence1: Distance is measured in meters the SI unit of distance.
Sentence2: The SI unit of distance is in meters.

Output: unit


Input:
Sentence1: evaporation can be used for separating a solute from a solvent in a solution.
Sentence2: Samples are segregated by mission in separate gloveboxes.

Output: separating


Input:
Sentence1: exercise has a positive impact on a human 's health.
Sentence2: Endurance exercises Endurance exercises include cycling, running, and swimming.

Output: exercise


Input:
Sentence1: Many plants respond to the days growing shorter in the fall by going dormant.
Sentence2: Plants can be divided at any time, although the dormant or rest period is best.

Output: dormant


Input:
Sentence1: burning wood is used to produce heat.
Sentence2: Heating and air conditioning keep the building comfortable regardless of the temperature outside.

Output: heat


Input:
Sentence1: Male dogs use pheromones in urine to mark their territory.
Sentence2: During Urination Dog's urine is used as a scent marker for other dogs.

Output: urine


Input:
Sentence1: Precipitation falls on the windward side of the mountain range.
Sentence2: Rain is also known as precipitation.

Output: Precipitation


Input:
Sentence1: when an animal moves , chemical energy is converted to mechanical energy.
Sentence2: Chemical bonds are converted to mechanical energy when a creature moves.

Output: energy


Input:
Sentence1: when an animal moves , chemical energy is converted to mechanical energy.
Sentence2: Chemical bonds are converted to mechanical energy when a creature moves.

Output: mechanical


Input:
Sentence1: Coyotes use their acute hearing and sense of smell to detect prey and avoid danger.
Sentence2: Hearing is used for detecting prey and avoiding danger by animals.

Output: avoid


Input:
Sentence1: Coyotes use their acute hearing and sense of smell to detect prey and avoid danger.
Sentence2: Hearing is used for detecting prey and avoiding danger by animals.

Output: danger


Input:
Sentence1: Coyotes use their acute hearing and sense of smell to detect prey and avoid danger.
Sentence2: Hearing is used for detecting prey and avoiding danger by animals.

Output: detect


Input:
Sentence1: Coyotes use their acute hearing and sense of smell to detect prey and avoid danger.
Sentence2: Hearing is used for detecting prey and avoiding danger by animals.

Output: prey


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: a light bulb is used for seeing at night.

Output: bulb


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: a light bulb is used for seeing at night.

Output: light


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: a light bulb is used for seeing at night.

Output: seeing


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: a light bulb is used for seeing at night.

Output: used


Input:
Sentence1: Gastropods are snails and slugs.
Sentence2: Mollusks are invertebrates such as gastropods.

Output: Gastropods


Input:
Sentence1: A photon is a packet of light energy.
Sentence2: a bulb converts electrical energy into photons.

Output: photon


Input:
Sentence1: Butterflies pollinate plants as they feed on nectar.
Sentence2: butterflies pollinate plants.

Output: Butterflies


Input:
Sentence1: Sperm had to swim from male to female reproductive organs for fertilization.
Sentence2: And the word for woman means a female of any age.

Output: female


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Some snow that falls on land may soak into the ground becoming groundwater.

Output: Some


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Some snow that falls on land may soak into the ground becoming groundwater.

Output: becoming


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Some snow that falls on land may soak into the ground becoming groundwater.

Output: falls


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Some snow that falls on land may soak into the ground becoming groundwater.

Output: ground


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Some snow that falls on land may soak into the ground becoming groundwater.

Output: groundwater


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Some snow that falls on land may soak into the ground becoming groundwater.

Output: into


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Some snow that falls on land may soak into the ground becoming groundwater.

Output: land


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Some snow that falls on land may soak into the ground becoming groundwater.

Output: may


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Some snow that falls on land may soak into the ground becoming groundwater.

Output: on


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Some snow that falls on land may soak into the ground becoming groundwater.

Output: soak


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Some snow that falls on land may soak into the ground becoming groundwater.

Output: that


Input:
Sentence1: Some precipitation that falls on land may soak into the ground, becoming groundwater.
Sentence2: Some snow that falls on land may soak into the ground becoming groundwater.

Output: the


Input:
Sentence1: Mammals conserve body heat with their hair or fur.
Sentence2: Mammals include squirrels, muskrats, opposums, and deer.

Output: Mammals


Input:
Sentence1: Wells are usually used as a source for groundwater.
Sentence2: Wells can be filled with precipitation that falls on land and soaks into the ground.

Output: Wells


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

Output: good


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

Output: health


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

Output: Hormones


Input:
Sentence1: Evolution occurs by a process called natural selection.
Sentence2: Actually, evolution is adaptation to change.

Output: Evolution


Input:
Sentence1: Fish are animals that live in water and breathe using gills.
Sentence2: Fish use their gills to breathe water.

Output: Fish


Input:
Sentence1: Bladder infections can be treated with antibiotics prescribed by a doctor.
Sentence2: If the bladder is infected, it is called cystitis.

Output: infections


Input:
Sentence1: Food is the ideal source of nutrients.
Sentence2: an animal requires food to grow and heal.

Output: Food


Input:
Sentence1: An astronaut is a scientist who is a space explorer.
Sentence2: Space explorers require preserved food for long flights.

Output: explorer


Input:
Sentence1: An astronaut is a scientist who is a space explorer.
Sentence2: Space explorers require preserved food for long flights.

Output: space


Input:
Sentence1: an earthquake causes the ground to shake.
Sentence2: The ground shaking can cause destruction.

Output: ground


Input:
Sentence1: an earthquake causes the ground to shake.
Sentence2: The ground shaking can cause destruction.

Output: shake


Input:
Sentence1: Heat production is increased by shivering and non-shivering thermogenesis .
Sentence2: Heat production occurs when many muscles contract a little bit all at once.

Output: Heat


Input:
Sentence1: Heat production is increased by shivering and non-shivering thermogenesis .
Sentence2: Heat production occurs when many muscles contract a little bit all at once.

Output: production


Input:
Sentence1: some flowers become fruits.
Sentence2: Cucumber fruit are produced only when insects carry pollen to the female flower.

Output: fruits


Input:
Sentence1: Populations of viruses do not grow through cell division because they are not cells.
Sentence2: Prokaryotes multiply by simple cell division, forming clones or exact copies of themselves.

Output: cell


Input:
Sentence1: Populations of viruses do not grow through cell division because they are not cells.
Sentence2: Prokaryotes multiply by simple cell division, forming clones or exact copies of themselves.

Output: division


Input:
Sentence1: The Caspian Sea is, strictly speaking, not really a sea but instead the world's largest lake.
Sentence2: The Caspian Sea was formed by precipitation and runoff.

Output: Caspian


Input:
Sentence1: The Caspian Sea is, strictly speaking, not really a sea but instead the world's largest lake.
Sentence2: The Caspian Sea was formed by precipitation and runoff.

Output: Sea


Input:
Sentence1: Ice Ages are rare in geologic history.
Sentence2: something rare in geologic history buried the planet in snow for millions of years.

Output: geologic


Input:
Sentence1: Ice Ages are rare in geologic history.
Sentence2: something rare in geologic history buried the planet in snow for millions of years.

Output: history


Input:
Sentence1: Babies that are very large or very small at birth are less likely to survive.
Sentence2: Regardless of size, baby bodies are vulnerable.

Output: Babies


Input:
Sentence1: claws are used to catch prey by some predators.
Sentence2: Birds have beaks and claws.

Output: claws


Input:
Sentence1: Old cells have short telomeres.
Sentence2: aging is associated with short telomeres.

Output: short


Input:
Sentence1: Old cells have short telomeres.
Sentence2: aging is associated with short telomeres.

Output: telomeres


Input:
Sentence1: Mold allergenicity Molds are strong allergens .
Sentence2: molds are antigens.

Output: Mold


Input:
Sentence1: a generator converts kinetic energy into electrical energy.
Sentence2: a generator can convert kinetic energy into light.

Output: converts


Input:
Sentence1: a generator converts kinetic energy into electrical energy.
Sentence2: a generator can convert kinetic energy into light.

Output: energy


Input:
Sentence1: a generator converts kinetic energy into electrical energy.
Sentence2: a generator can convert kinetic energy into light.

Output: generator


Input:
Sentence1: a generator converts kinetic energy into electrical energy.
Sentence2: a generator can convert kinetic energy into light.

Output: kinetic


Input:
Sentence1: All birds are placed in the Class Aves.
Sentence2: Organisms in the class Aves have beaks that are generally adapted for the food they eat.

Output: Aves


Input:
Sentence1: All birds are placed in the Class Aves.
Sentence2: Organisms in the class Aves have beaks that are generally adapted for the food they eat.

Output: Class


Input:
Sentence1: Sperm pass out of the body through the urethra.
Sentence2: male gametes pass out of the body through the urethra.

Output: body


Input:
Sentence1: Sperm pass out of the body through the urethra.
Sentence2: male gametes pass out of the body through the urethra.

Output: out


Input:
Sentence1: Sperm pass out of the body through the urethra.
Sentence2: male gametes pass out of the body through the urethra.

Output: pass


Input:
Sentence1: Sperm pass out of the body through the urethra.
Sentence2: male gametes pass out of the body through the urethra.

Output: through


Input:
Sentence1: Sperm pass out of the body through the urethra.
Sentence2: male gametes pass out of the body through the urethra.

Output: urethra


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

Output: Plants


Input:
Sentence1: Cats are Mammals that Shed Dogs are Mammals that Wag their tails.
Sentence2: Playing is one way cats learn how to behave.

Output: Cats


Input:
Sentence1: an animal requires air for survival.
Sentence2: an animal requires oxygen for survival.

Output: animal


Input:
Sentence1: an animal requires air for survival.
Sentence2: an animal requires oxygen for survival.

Output: requires


Input:
Sentence1: an animal requires air for survival.
Sentence2: an animal requires oxygen for survival.

Output: survival


Input:
Sentence1: plant requires seed dispersal for reproduction.
Sentence2: Plant reproduction depends on grains being planted.

Output: plant


Input:
Sentence1: plant requires seed dispersal for reproduction.
Sentence2: Plant reproduction depends on grains being planted.

Output: reproduction


Input:
Sentence1: Friendship usually precedes courtship, and courtship, marriage.
Sentence2: Friendship often comes before mating.

Output: Friendship


Input:
Sentence1: Another major type of wind is called a polar easterly.
Sentence2: Unequal heating of Earth 's surface by the Sun causes polar easterlies.

Output: easterly


Input:
Sentence1: Another major type of wind is called a polar easterly.
Sentence2: Unequal heating of Earth 's surface by the Sun causes polar easterlies.

Output: polar


Input:
Sentence1: a pulley is used for lifting objects.
Sentence2: a pulley is used for exercise.

Output: pulley


Input:
Sentence1: a pulley is used for lifting objects.
Sentence2: a pulley is used for exercise.

Output: used


Input:
Sentence1: a speedometer is used for giving a driver feedback on the speed of their vehicle.
Sentence2: Trucks and cars are vehicles.

Output: vehicle


Input:
Sentence1: Scratches cause problems.
Sentence2: measuring the hardness of minerals cause problems.

Output: cause


Input:
Sentence1: Scratches cause problems.
Sentence2: measuring the hardness of minerals cause problems.

Output: problems


Input:
Sentence1: heating salt water causes the water to evaporate while the salt remains.
Sentence2: On high heat, bring to a boil.

Output: heating


Input:
Sentence1: wind causes erosion.
Sentence2: Flooding is one of the results of erosion.

Output: erosion


Input:
Sentence1: Invertebrates are animals that lack a vertebral column, or backbone.
Sentence2: Insects are the most common invertebrates.

Output: Invertebrates


Input:
Sentence1: Phenotypic expression of polygenic traits varies over a wide range.
Sentence2: Skin color occurs over a wide range.

Output: over


Input:
Sentence1: Phenotypic expression of polygenic traits varies over a wide range.
Sentence2: Skin color occurs over a wide range.

Output: range


Input:
Sentence1: Phenotypic expression of polygenic traits varies over a wide range.
Sentence2: Skin color occurs over a wide range.

Output: wide


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

Output: energy


Input:
Sentence1: Rain water reaches rivers faster and can cause flooding.
Sentence2: Too much rain causes rivers to flood.

Output: flooding


Input:
Sentence1: Rain water reaches rivers faster and can cause flooding.
Sentence2: Too much rain causes rivers to flood.

Output: rivers


Input:
Sentence1: Many consumers feed at more than one trophic level.
Sentence2: Many consumers feed at more than one nutrient level.

Output: Many


Input:
Sentence1: Many consumers feed at more than one trophic level.
Sentence2: Many consumers feed at more than one nutrient level.

Output: consumers


Input:
Sentence1: Many consumers feed at more than one trophic level.
Sentence2: Many consumers feed at more than one nutrient level.

Output: feed


Input:
Sentence1: Many consumers feed at more than one trophic level.
Sentence2: Many consumers feed at more than one nutrient level.

Output: more


Input:
Sentence1: Many consumers feed at more than one trophic level.
Sentence2: Many consumers feed at more than one nutrient level.

Output: one


Input:
Sentence1: Many consumers feed at more than one trophic level.
Sentence2: Many consumers feed at more than one nutrient level.

Output: than


Input:
Sentence1: Most carcinogens cause cancer by producing mutations in DNA.
Sentence2: most carcinogens cause cancer by producing mutations in deoxyribonucleic acid.

Output: cancer


Input:
Sentence1: Most carcinogens cause cancer by producing mutations in DNA.
Sentence2: most carcinogens cause cancer by producing mutations in deoxyribonucleic acid.

Output: carcinogens


Input:
Sentence1: Most carcinogens cause cancer by producing mutations in DNA.
Sentence2: most carcinogens cause cancer by producing mutations in deoxyribonucleic acid.

Output: cause


Input:
Sentence1: Most carcinogens cause cancer by producing mutations in DNA.
Sentence2: most carcinogens cause cancer by producing mutations in deoxyribonucleic acid.

Output: mutations


Input:
Sentence1: Most carcinogens cause cancer by producing mutations in DNA.
Sentence2: most carcinogens cause cancer by producing mutations in deoxyribonucleic acid.

Output: producing


Input:
Sentence1: ink is used for hiding from predators by octopuses.
Sentence2: octopuses use ink for hiding from sharks.

Output: hiding


Input:
Sentence1: ink is used for hiding from predators by octopuses.
Sentence2: octopuses use ink for hiding from sharks.

Output: ink


Input:
Sentence1: ink is used for hiding from predators by octopuses.
Sentence2: octopuses use ink for hiding from sharks.

Output: octopuses


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: Most pituitary hormones control other hormone producing structures of the body.

Output: control


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: Most pituitary hormones control other hormone producing structures of the body.

Output: hormones


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: Most pituitary hormones control other hormone producing structures of the body.

Output: pituitary


Input:
Sentence1: an image in a mirror is formed by reflecting light.
Sentence2: Mirrors in telescopes reflect light waves.

Output: light


Input:
Sentence1: Most reptiles have good eyesight and a keen sense of smell.
Sentence2: Olfaction is the sense of smell and gustation is the sense of taste.

Output: of


Input:
Sentence1: Most reptiles have good eyesight and a keen sense of smell.
Sentence2: Olfaction is the sense of smell and gustation is the sense of taste.

Output: sense


Input:
Sentence1: Most reptiles have good eyesight and a keen sense of smell.
Sentence2: Olfaction is the sense of smell and gustation is the sense of taste.

Output: smell


Input:
Sentence1: Cancer is a disease that occurs when the cell cycle is no longer regulated.
Sentence2: a disease that can be metastic occurs when the cell cycle is no longer regulated.

Output: cell


Input:
Sentence1: Cancer is a disease that occurs when the cell cycle is no longer regulated.
Sentence2: a disease that can be metastic occurs when the cell cycle is no longer regulated.

Output: cycle


Input:
Sentence1: Cancer is a disease that occurs when the cell cycle is no longer regulated.
Sentence2: a disease that can be metastic occurs when the cell cycle is no longer regulated.

Output: regulated


Input:
Sentence1: Butter is a fat that is a solid at room temperature.
Sentence2: Room temperatures between 40 and 80 Fahrenheit, or 5 and 27 Celsius, are best for storage.

Output: room


Input:
Sentence1: Butter is a fat that is a solid at room temperature.
Sentence2: Room temperatures between 40 and 80 Fahrenheit, or 5 and 27 Celsius, are best for storage.

Output: temperature


Input:
Sentence1: T cells- also known as T lymphocyte.
Sentence2: T lymphocytes are infected and destroyed by HIV.

Output: T


Input:
Sentence1: T cells- also known as T lymphocyte.
Sentence2: T lymphocytes are infected and destroyed by HIV.

Output: lymphocyte


Input:
Sentence1: Light is a form of radiant energy.
Sentence2: a bulb converts electrical energy into radiant energy when turned on.

Output: radiant


Input:
Sentence1: Beavers build dams that create ponds.
Sentence2: Beavers cause ponds and lakes to form.

Output: Beavers


Input:
Sentence1: Beavers build dams that create ponds.
Sentence2: Beavers cause ponds and lakes to form.

Output: ponds


Input:
Sentence1: lakes are formed by precipitation and runoff.
Sentence2: The Caspian Sea is, strictly speaking, not really a sea but instead the world's largest lake.

Output: lakes


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

Output: body


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

Output: brain


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

Output: have


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

Output: large


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

Output: relative


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

Output: size


Input:
Sentence1: By far and away the biggest climate changes are ice ages.
Sentence2: climate change can bury the planet in snow.

Output: changes


Input:
Sentence1: By far and away the biggest climate changes are ice ages.
Sentence2: climate change can bury the planet in snow.

Output: climate


Input:
Sentence1: riding a bike does not cause pollution.
Sentence2: Riding a bike will not degrade habitat.

Output: bike


Input:
Sentence1: riding a bike does not cause pollution.
Sentence2: Riding a bike will not degrade habitat.

Output: riding


Input:
Sentence1: Deposit feeders ingest sediment and extract food particles.
Sentence2: Earthworms ingest sediment to get food particles which enriches soil.

Output: food


Input:
Sentence1: Deposit feeders ingest sediment and extract food particles.
Sentence2: Earthworms ingest sediment to get food particles which enriches soil.

Output: particles


Input:
Sentence1: Deposit feeders ingest sediment and extract food particles.
Sentence2: Earthworms ingest sediment to get food particles which enriches soil.

Output: sediment


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder is used to measure volume of water.

Output: a


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder is used to measure volume of water.

Output: cylinder


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder is used to measure volume of water.

Output: graduated


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder is used to measure volume of water.

Output: is


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder is used to measure volume of water.

Output: measure


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder is used to measure volume of water.

Output: of


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder is used to measure volume of water.

Output: to


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder is used to measure volume of water.

Output: used


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: a graduated cylinder is used to measure volume of water.

Output: volume


Input:
Sentence1: Female mammals have mammary glands.
Sentence2: Female mammals have breasts.

Output: Female


Input:
Sentence1: Female mammals have mammary glands.
Sentence2: Female mammals have breasts.

Output: have


Input:
Sentence1: Female mammals have mammary glands.
Sentence2: Female mammals have breasts.

Output: mammals