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

Output: electrons


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

Output: plasma


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

Output: separating


Input:
Sentence1: Algae play significant roles as producers in aquatic ecosystems.
Sentence2: simple green plants play significant roles as producers in aquatic ecosystems.

Output: aquatic


Input:
Sentence1: Algae play significant roles as producers in aquatic ecosystems.
Sentence2: simple green plants play significant roles as producers in aquatic ecosystems.

Output: ecosystems


Input:
Sentence1: Algae play significant roles as producers in aquatic ecosystems.
Sentence2: simple green plants play significant roles as producers in aquatic ecosystems.

Output: play


Input:
Sentence1: Algae play significant roles as producers in aquatic ecosystems.
Sentence2: simple green plants play significant roles as producers in aquatic ecosystems.

Output: producers


Input:
Sentence1: Algae play significant roles as producers in aquatic ecosystems.
Sentence2: simple green plants play significant roles as producers in aquatic ecosystems.

Output: roles


Input:
Sentence1: Algae play significant roles as producers in aquatic ecosystems.
Sentence2: simple green plants play significant roles as producers in aquatic ecosystems.

Output: significant


Input:
Sentence1: Bioterrorism is the intentional release or spread of agents of disease.
Sentence2: Variola major, the virus that causes smallpox, is considered a potential bioterrorism agent.

Output: agents


Input:
Sentence1: To move faster, birds flap their wings more quickly.
Sentence2: Bird flap their wings more quickly to fly faster.

Output: faster


Input:
Sentence1: To move faster, birds flap their wings more quickly.
Sentence2: Bird flap their wings more quickly to fly faster.

Output: flap


Input:
Sentence1: To move faster, birds flap their wings more quickly.
Sentence2: Bird flap their wings more quickly to fly faster.

Output: quickly


Input:
Sentence1: Climate influences plant growth, biodiversity, and adaptations of land organisms.
Sentence2: Desert animals are adapted to the vegetation and the climate.

Output: adaptations


Input:
Sentence1: Placental mammals are therian mammals in which a placenta develops during pregnancy.
Sentence2: humans have a placenta during pregnancy.

Output: placenta


Input:
Sentence1: Boreal and temperate species have generally survived by migrating.
Sentence2: earth's magnetic patterns ensure boreal species survival.

Output: Boreal


Input:
Sentence1: Boreal and temperate species have generally survived by migrating.
Sentence2: earth's magnetic patterns ensure boreal species survival.

Output: species


Input:
Sentence1: Sexual reproduction combines an egg and a sperm.
Sentence2: combining an egg and sperm increases genetic diversity.

Output: combines


Input:
Sentence1: Sexual reproduction combines an egg and a sperm.
Sentence2: combining an egg and sperm increases genetic diversity.

Output: egg


Input:
Sentence1: Sexual reproduction combines an egg and a sperm.
Sentence2: combining an egg and sperm increases genetic diversity.

Output: sperm


Input:
Sentence1: Amphibians have sense organs to smell and taste chemicals.
Sentence2: Bullfrogs can smell and taste chemicals through sense organs.

Output: chemicals


Input:
Sentence1: Amphibians have sense organs to smell and taste chemicals.
Sentence2: Bullfrogs can smell and taste chemicals through sense organs.

Output: organs


Input:
Sentence1: Amphibians have sense organs to smell and taste chemicals.
Sentence2: Bullfrogs can smell and taste chemicals through sense organs.

Output: sense


Input:
Sentence1: Amphibians have sense organs to smell and taste chemicals.
Sentence2: Bullfrogs can smell and taste chemicals through sense organs.

Output: smell


Input:
Sentence1: Amphibians have sense organs to smell and taste chemicals.
Sentence2: Bullfrogs can smell and taste chemicals through sense organs.

Output: taste


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

Output: bonds


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

Output: chemical


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

Output: consists


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

Output: energy


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

Output: molecules


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

Output: organic


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

Output: store


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: a cat's hearing has a positive impact on its survival.

Output: animal


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: a cat's hearing has a positive impact on its survival.

Output: impact


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: a cat's hearing has a positive impact on its survival.

Output: on


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: a cat's hearing has a positive impact on its survival.

Output: positive


Input:
Sentence1: better senses have a positive impact on an animal 's survival.
Sentence2: a cat's hearing has a positive impact on its survival.

Output: survival


Input:
Sentence1: With so many does and so few older bucks, there is little competition for mating.
Sentence2: bucks display less aggression when there are fewer older bucks.

Output: bucks


Input:
Sentence1: With so many does and so few older bucks, there is little competition for mating.
Sentence2: bucks display less aggression when there are fewer older bucks.

Output: few


Input:
Sentence1: With so many does and so few older bucks, there is little competition for mating.
Sentence2: bucks display less aggression when there are fewer older bucks.

Output: little


Input:
Sentence1: With so many does and so few older bucks, there is little competition for mating.
Sentence2: bucks display less aggression when there are fewer older bucks.

Output: older


Input:
Sentence1: Acid rain is precipitation which pH is 5.7 or lower.
Sentence2: gases from burning coal causes precipitation which pH is 5.7 or lower.

Output: 5


Input:
Sentence1: Acid rain is precipitation which pH is 5.7 or lower.
Sentence2: gases from burning coal causes precipitation which pH is 5.7 or lower.

Output: 7


Input:
Sentence1: Acid rain is precipitation which pH is 5.7 or lower.
Sentence2: gases from burning coal causes precipitation which pH is 5.7 or lower.

Output: lower


Input:
Sentence1: Acid rain is precipitation which pH is 5.7 or lower.
Sentence2: gases from burning coal causes precipitation which pH is 5.7 or lower.

Output: pH


Input:
Sentence1: Acid rain is precipitation which pH is 5.7 or lower.
Sentence2: gases from burning coal causes precipitation which pH is 5.7 or lower.

Output: precipitation


Input:
Sentence1: Acid rain is precipitation which pH is 5.7 or lower.
Sentence2: gases from burning coal causes precipitation which pH is 5.7 or lower.

Output: which


Input:
Sentence1: Oil and gasoline are fossil fuels.
Sentence2: Oil and gasoline are formed from dead organisms over time.

Output: Oil


Input:
Sentence1: Oil and gasoline are fossil fuels.
Sentence2: Oil and gasoline are formed from dead organisms over time.

Output: gasoline


Input:
Sentence1: All frogs are amphibians.
Sentence2: frogs have permeable skin that easily absorbs substances from the environment.

Output: frogs


Input:
Sentence1: Hurricanes can cause severe damage.
Sentence2: mechanical energy can cause severe damage.

Output: damage


Input:
Sentence1: Hurricanes can cause severe damage.
Sentence2: mechanical energy can cause severe damage.

Output: severe


Input:
Sentence1: microscope is used to see small things by biologists by making them appear bigger.
Sentence2: Biologists use microscopes to see bacteria.

Output: biologists


Input:
Sentence1: microscope is used to see small things by biologists by making them appear bigger.
Sentence2: Biologists use microscopes to see bacteria.

Output: microscope


Input:
Sentence1: microscope is used to see small things by biologists by making them appear bigger.
Sentence2: Biologists use microscopes to see bacteria.

Output: see


Input:
Sentence1: microscope is used to see small things by biologists by making them appear bigger.
Sentence2: Biologists use microscopes to see bacteria.

Output: to


Input:
Sentence1: microscope is used to see small things by biologists by making them appear bigger.
Sentence2: Biologists use microscopes to see bacteria.

Output: used


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

Output: consumers


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

Output: primary


Input:
Sentence1: Sweat glands pump perspiration through pores.
Sentence2: Perspiration comes through pores and is evaporated by energy from body heat.

Output: perspiration


Input:
Sentence1: For each row, form two sums by adding every other number.
Sentence2: A calculator is used for getting sums.

Output: sums


Input:
Sentence1: All bottles are recyclable.
Sentence2: bottles can reduce resources used.

Output: bottles


Input:
Sentence1: Neurons are the structural and functional units of the nervous system.
Sentence2: Alcohol depresses the nervous system.

Output: nervous


Input:
Sentence1: Neurons are the structural and functional units of the nervous system.
Sentence2: Alcohol depresses the nervous system.

Output: system


Input:
Sentence1: a toaster converts electrical energy into heat energy for toasting.
Sentence2: Electric generators can create energy for toasters.

Output: toaster


Input:
Sentence1: a toaster converts electrical energy into heat energy for toasting.
Sentence2: electrical energy is converted to heat energy to cook bread.

Output: converts


Input:
Sentence1: a toaster converts electrical energy into heat energy for toasting.
Sentence2: electrical energy is converted to heat energy to cook bread.

Output: electrical


Input:
Sentence1: a toaster converts electrical energy into heat energy for toasting.
Sentence2: electrical energy is converted to heat energy to cook bread.

Output: energy


Input:
Sentence1: a toaster converts electrical energy into heat energy for toasting.
Sentence2: electrical energy is converted to heat energy to cook bread.

Output: heat


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

Output: reproduction


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

Output: used


Input:
Sentence1: lungs are used for breathing air by land animals.
Sentence2: Alveoli are used for breathing by land animals.

Output: animals


Input:
Sentence1: lungs are used for breathing air by land animals.
Sentence2: Alveoli are used for breathing by land animals.

Output: breathing


Input:
Sentence1: lungs are used for breathing air by land animals.
Sentence2: Alveoli are used for breathing by land animals.

Output: land


Input:
Sentence1: lungs are used for breathing air by land animals.
Sentence2: Alveoli are used for breathing by land animals.

Output: used


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

Output: heterotrophs


Input:
Sentence1: Mammals are animals that are born with fur or hair.
Sentence2: Mammals are born with fur that grows thicker for warmth in winter.

Output: Mammals


Input:
Sentence1: Mammals are animals that are born with fur or hair.
Sentence2: Mammals are born with fur that grows thicker for warmth in winter.

Output: born


Input:
Sentence1: a telephone is used for communication by humans over long distances.
Sentence2: A telephone is used by people to listen and talk over long distances.

Output: distances


Input:
Sentence1: a telephone is used for communication by humans over long distances.
Sentence2: A telephone is used by people to listen and talk over long distances.

Output: long


Input:
Sentence1: a telephone is used for communication by humans over long distances.
Sentence2: A telephone is used by people to listen and talk over long distances.

Output: telephone


Input:
Sentence1: a telephone is used for communication by humans over long distances.
Sentence2: A telephone is used by people to listen and talk over long distances.

Output: used


Input:
Sentence1: Extinct species are species that are gone forever.
Sentence2: If all members of a  species cannot produce offspring, then that species will be gone forever.

Output: forever


Input:
Sentence1: Extinct species are species that are gone forever.
Sentence2: If all members of a  species cannot produce offspring, then that species will be gone forever.

Output: gone


Input:
Sentence1: Extinct species are species that are gone forever.
Sentence2: If all members of a  species cannot produce offspring, then that species will be gone forever.

Output: species


Input:
Sentence1: Diatomes are a type of single celled algae.
Sentence2: diatomes have varied life cycles.

Output: Diatomes


Input:
Sentence1: Seasonal weather patterns also have a major impact on carrot root diseases.
Sentence2: Earth being tilted on its rotating axis causes a major impact on carrot root diseases.

Output: carrot


Input:
Sentence1: Seasonal weather patterns also have a major impact on carrot root diseases.
Sentence2: Earth being tilted on its rotating axis causes a major impact on carrot root diseases.

Output: diseases


Input:
Sentence1: Seasonal weather patterns also have a major impact on carrot root diseases.
Sentence2: Earth being tilted on its rotating axis causes a major impact on carrot root diseases.

Output: impact


Input:
Sentence1: Seasonal weather patterns also have a major impact on carrot root diseases.
Sentence2: Earth being tilted on its rotating axis causes a major impact on carrot root diseases.

Output: major


Input:
Sentence1: Seasonal weather patterns also have a major impact on carrot root diseases.
Sentence2: Earth being tilted on its rotating axis causes a major impact on carrot root diseases.

Output: root


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: Endospores are a means of reproduction.

Output: Endospores


Input:
Sentence1: a flower 's purpose is to produce seeds.
Sentence2: Reproduction is by seeds and spreading rhizomes.

Output: seeds


Input:
Sentence1: Results can be damaging or disastrous.
Sentence2: Lack of immunization can be damaging or disastrous.

Output: damaging


Input:
Sentence1: Results can be damaging or disastrous.
Sentence2: Lack of immunization can be damaging or disastrous.

Output: disastrous


Input:
Sentence1: temperature changing can cause phase changes.
Sentence2: Temperature changing can cause potential energy changes.

Output: cause


Input:
Sentence1: temperature changing can cause phase changes.
Sentence2: Temperature changing can cause potential energy changes.

Output: changing


Input:
Sentence1: temperature changing can cause phase changes.
Sentence2: Temperature changing can cause potential energy changes.

Output: temperature


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: The Great Barrier Reef was formed by exoskeletons.

Output: exoskeleton


Input:
Sentence1: Unlike vertebrates, lancelets lack a hardened backbone.
Sentence2: some larvae lack a hardened backbone.

Output: backbone


Input:
Sentence1: Unlike vertebrates, lancelets lack a hardened backbone.
Sentence2: some larvae lack a hardened backbone.

Output: hardened


Input:
Sentence1: To remove paint, use sandpaper.
Sentence2: sandpaper removes paint.

Output: remove


Input:
Sentence1: cell division often causes growth.
Sentence2: Cell division leads to reproduction.

Output: cell


Input:
Sentence1: cell division often causes growth.
Sentence2: Cell division leads to reproduction.

Output: division


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: Some bacteria form resistant cells called endospores.

Output: Endospores


Input:
Sentence1: Homogeneous mixtures are called solutions.
Sentence2: A homogenous mixture is formed when one substance dissolves in another.

Output: Homogeneous


Input:
Sentence1: Homogeneous mixtures are called solutions.
Sentence2: A homogenous mixture is formed when one substance dissolves in another.

Output: mixtures


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Atolls are built by corals secreting an exoskeleton.

Output: corals


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Atolls are built by corals secreting an exoskeleton.

Output: exoskeleton


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: Atolls are built by corals secreting an exoskeleton.

Output: secrete


Input:
Sentence1: Scientists who find and study fossils are called paleontologists.
Sentence2: Interest in fossils is worldwide.

Output: fossils


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: bacterium are commonly found in soil and water.

Output: commonly


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: bacterium are commonly found in soil and water.

Output: found


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: bacterium are commonly found in soil and water.

Output: soil


Input:
Sentence1: Endospores are commonly found in soil and water.
Sentence2: bacterium are commonly found in soil and water.

Output: water


Input:
Sentence1: Aggression is behavior that is intended to cause harm or pain.
Sentence2: If they are around aggressive dogs, they learn to be aggressive.

Output: Aggression


Input:
Sentence1: Ferns have no flowers, fruits or seeds.
Sentence2: some plants have no flowers.

Output: flowers


Input:
Sentence1: Steroid hormones are made of lipids, such as phospholipids and cholesterol.
Sentence2: Fats A fat is another term for lipid.

Output: lipids


Input:
Sentence1: Hormonal production is regulated by enzymes.
Sentence2: enzymes control hormones.

Output: enzymes


Input:
Sentence1: a radio converts electrical energy into vibrations.
Sentence2: All sound is caused by vibrations.

Output: vibrations


Input:
Sentence1: a radio converts electrical energy into vibrations.
Sentence2: A radio converts electrical energy into sound.

Output: converts


Input:
Sentence1: a radio converts electrical energy into vibrations.
Sentence2: A radio converts electrical energy into sound.

Output: electrical


Input:
Sentence1: a radio converts electrical energy into vibrations.
Sentence2: A radio converts electrical energy into sound.

Output: energy


Input:
Sentence1: a radio converts electrical energy into vibrations.
Sentence2: A radio converts electrical energy into sound.

Output: radio


Input:
Sentence1: Water Requirements All plants require water for growth.
Sentence2: a plant needs sunlight and water.

Output: water


Input:
Sentence1: Fossil fuels are coal, oil, and natural gas.
Sentence2: gases released during the use of coal, oil, and natural gas causes global warming.

Output: coal


Input:
Sentence1: Fossil fuels are coal, oil, and natural gas.
Sentence2: gases released during the use of coal, oil, and natural gas causes global warming.

Output: gas


Input:
Sentence1: Fossil fuels are coal, oil, and natural gas.
Sentence2: gases released during the use of coal, oil, and natural gas causes global warming.

Output: natural


Input:
Sentence1: Fossil fuels are coal, oil, and natural gas.
Sentence2: gases released during the use of coal, oil, and natural gas causes global warming.

Output: oil


Input:
Sentence1: Plants release oxygen during the day but not during the night.
Sentence2: Many plants alter their position when they go to sleep at night.

Output: night


Input:
Sentence1: Macroevolution occurs over geologic time above the level of the species.
Sentence2: adding new genes with special capability occurs over geologic time above the level of the species.

Output: above


Input:
Sentence1: Macroevolution occurs over geologic time above the level of the species.
Sentence2: adding new genes with special capability occurs over geologic time above the level of the species.

Output: geologic


Input:
Sentence1: Macroevolution occurs over geologic time above the level of the species.
Sentence2: adding new genes with special capability occurs over geologic time above the level of the species.

Output: level


Input:
Sentence1: Macroevolution occurs over geologic time above the level of the species.
Sentence2: adding new genes with special capability occurs over geologic time above the level of the species.

Output: occurs


Input:
Sentence1: Macroevolution occurs over geologic time above the level of the species.
Sentence2: adding new genes with special capability occurs over geologic time above the level of the species.

Output: over


Input:
Sentence1: Macroevolution occurs over geologic time above the level of the species.
Sentence2: adding new genes with special capability occurs over geologic time above the level of the species.

Output: species


Input:
Sentence1: Macroevolution occurs over geologic time above the level of the species.
Sentence2: adding new genes with special capability occurs over geologic time above the level of the species.

Output: time


Input:
Sentence1: Kiwifruit flowers are pollinated by bees.
Sentence2: Petals attract bees to flowers.

Output: bees


Input:
Sentence1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells.
Sentence2: Cells that divide uncontrollably may form cancer growth.

Output: Cells


Input:
Sentence1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells.
Sentence2: Cells that divide uncontrollably may form cancer growth.

Output: divide


Input:
Sentence1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells.
Sentence2: Cells that divide uncontrollably may form cancer growth.

Output: form


Input:
Sentence1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells.
Sentence2: Cells that divide uncontrollably may form cancer growth.

Output: may


Input:
Sentence1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells.
Sentence2: Cells that divide uncontrollably may form cancer growth.

Output: uncontrollably


Input:
Sentence1: Insects can spread disease and destroy crops.
Sentence2: Locusts are grasshopper-like insects.

Output: Insects


Input:
Sentence1: And anything edible is food.
Sentence2: Having edible things has a positive impact on an organism 's health.

Output: edible


Input:
Sentence1: an animal requires warmth for survival.
Sentence2: Light and heat and warmth are basic necessities for survival.

Output: warmth


Input:
Sentence1: Viruses contain DNA but not much else.
Sentence2: viruses contain encoded information but not much else.

Output: Viruses


Input:
Sentence1: Viruses contain DNA but not much else.
Sentence2: viruses contain encoded information but not much else.

Output: but


Input:
Sentence1: Viruses contain DNA but not much else.
Sentence2: viruses contain encoded information but not much else.

Output: contain


Input:
Sentence1: Viruses contain DNA but not much else.
Sentence2: viruses contain encoded information but not much else.

Output: else


Input:
Sentence1: Viruses contain DNA but not much else.
Sentence2: viruses contain encoded information but not much else.

Output: much


Input:
Sentence1: Viruses contain DNA but not much else.
Sentence2: viruses contain encoded information but not much else.

Output: not


Input:
Sentence1: Insects can spread disease and destroy crops.
Sentence2: Insects are just part of the Arthropod subdivision.

Output: Insects


Input:
Sentence1: sediment is formed by weathering.
Sentence2: Sand is an example of a clastic sediment.

Output: sediment


Input:
Sentence1: Male gametes are called sperm.
Sentence2: Male gametes pass out of the body through the urethra.

Output: Male


Input:
Sentence1: Male gametes are called sperm.
Sentence2: Male gametes pass out of the body through the urethra.

Output: gametes


Input:
Sentence1: Sexual union is for pleasure and closeness and for procreation.
Sentence2: Sperm are deposited in the vagina during procreation.

Output: procreation


Input:
Sentence1: Carbon dioxide is a plant nutrient.
Sentence2: plants require carbon dioxide.

Output: Carbon


Input:
Sentence1: Carbon dioxide is a plant nutrient.
Sentence2: plants require carbon dioxide.

Output: dioxide


Input:
Sentence1: Nerve impulses are received by the dendrites.
Sentence2: dendrites receive electrical impulses.

Output: dendrites


Input:
Sentence1: Vertebrates have the most defined and developed nervous system.
Sentence2: fish are vertebrates.

Output: Vertebrates


Input:
Sentence1: Lancelet larvae are free-swimming.
Sentence2: After eggs are fertilized, free-swimming larvae develop.

Output: free-swimming


Input:
Sentence1: Lancelet larvae are free-swimming.
Sentence2: After eggs are fertilized, free-swimming larvae develop.

Output: larvae


Input:
Sentence1: Heterotrophs are living things that cannot make their own food.
Sentence2: food contains organic molecules.

Output: food


Input:
Sentence1: Light contains energy.
Sentence2: nuclear reactions in stars causes stars to produce energy.

Output: energy


Input:
Sentence1: a compass is used to navigate oceans.
Sentence2: Navigation by compass is especially difficult during a magnetic storm.

Output: compass


Input:
Sentence1: Blood pH may become unbalanced if the rate of breathing is too fast or too slow.
Sentence2: Slow and fast respirations or long periods without a breath are common in the dying child.

Output: breathing


Input:
Sentence1: Cryptic coloration is a type of camouflage.
Sentence2: Cryptic coloration is used for protection by prey against predators.

Output: Cryptic


Input:
Sentence1: Cryptic coloration is a type of camouflage.
Sentence2: Cryptic coloration is used for protection by prey against predators.

Output: coloration


Input:
Sentence1: Any antigen that causes an allergy is called an allergen.
Sentence2: Many of the common allergens are pollens and dusts.

Output: allergen


Input:
Sentence1: when a plant grows , the size of the leaves of that plant may increase.
Sentence2: as a plant grows, photosynthesis increases.

Output: plant


Input:
Sentence1: Carbon dioxide is a greenhouse gas.
Sentence2: using renewable resources to generate power reduces carbon dioxide.

Output: Carbon


Input:
Sentence1: Carbon dioxide is a greenhouse gas.
Sentence2: using renewable resources to generate power reduces carbon dioxide.

Output: dioxide


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

Output: lifting


Input:
Sentence1: Thyroid hormones increase the rate of metabolism in cells throughout the body.
Sentence2: Thyroid hormone regulates the body's metabolism.

Output: Thyroid


Input:
Sentence1: heavy rains cause flooding.
Sentence2: flooding can cause landslides.

Output: flooding


Input:
Sentence1: The agent responsible for the push or pull is the magnetic force .
Sentence2: Force can cause objects to repel each other.

Output: force


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: Brakes are applied to the rear wheels on No. 2 truck.

Output: brakes


Input:
Sentence1: Flatworms belong to the phylum Platyhelminthes.
Sentence2: the phylum Platyhelminthes has bilateral symmetry.

Output: Platyhelminthes


Input:
Sentence1: Flatworms belong to the phylum Platyhelminthes.
Sentence2: the phylum Platyhelminthes has bilateral symmetry.

Output: phylum


Input:
Sentence1: decomposition increases the amount of nutrients in the soil.
Sentence2: decomposition increases the amount of cations.

Output: amount


Input:
Sentence1: decomposition increases the amount of nutrients in the soil.
Sentence2: decomposition increases the amount of cations.

Output: decomposition


Input:
Sentence1: decomposition increases the amount of nutrients in the soil.
Sentence2: decomposition increases the amount of cations.

Output: increases


Input:
Sentence1: Legumes are typical of that type of plant.
Sentence2: legumes grow towards a light source.

Output: Legumes


Input:
Sentence1: Other lakes formed throughout the region caused by stream blockages.
Sentence2: Damming a river results in stream blockages.

Output: blockages


Input:
Sentence1: Other lakes formed throughout the region caused by stream blockages.
Sentence2: Damming a river results in stream blockages.

Output: stream


Input:
Sentence1: an animal requires nutrients for survival.
Sentence2: Potassium is important for an animal to survive.

Output: survival


Input:
Sentence1: operating an automobile usually requires fossil fuels.
Sentence2: operating an automobile usually requires animal remains.

Output: automobile


Input:
Sentence1: operating an automobile usually requires fossil fuels.
Sentence2: operating an automobile usually requires animal remains.

Output: operating


Input:
Sentence1: the digestive system breaks food into nutrients for the body.
Sentence2: The pancreas is an organ that is part of our digestive system.

Output: digestive


Input:
Sentence1: the digestive system breaks food into nutrients for the body.
Sentence2: The pancreas is an organ that is part of our digestive system.

Output: system


Input:
Sentence1: Coral reefs are made up of the accumulated exoskeletons of the coral polyp.
Sentence2: accumulated exoskeletons form in shallow tropical water.

Output: accumulated


Input:
Sentence1: Coral reefs are made up of the accumulated exoskeletons of the coral polyp.
Sentence2: accumulated exoskeletons form in shallow tropical water.

Output: exoskeletons


Input:
Sentence1: a rubber band snapping causes the particles in the rubber band to vibrate.
Sentence2: Sound travels through matter by vibration.

Output: vibrate


Input:
Sentence1: an animal usually requires a warm body temperature for survival.
Sentence2: An animal usually requires a warm body heat measurement for survival?.

Output: a


Input:
Sentence1: an animal usually requires a warm body temperature for survival.
Sentence2: An animal usually requires a warm body heat measurement for survival?.

Output: an


Input:
Sentence1: an animal usually requires a warm body temperature for survival.
Sentence2: An animal usually requires a warm body heat measurement for survival?.

Output: animal


Input:
Sentence1: an animal usually requires a warm body temperature for survival.
Sentence2: An animal usually requires a warm body heat measurement for survival?.

Output: body


Input:
Sentence1: an animal usually requires a warm body temperature for survival.
Sentence2: An animal usually requires a warm body heat measurement for survival?.

Output: for


Input:
Sentence1: an animal usually requires a warm body temperature for survival.
Sentence2: An animal usually requires a warm body heat measurement for survival?.

Output: requires


Input:
Sentence1: an animal usually requires a warm body temperature for survival.
Sentence2: An animal usually requires a warm body heat measurement for survival?.

Output: survival


Input:
Sentence1: an animal usually requires a warm body temperature for survival.
Sentence2: An animal usually requires a warm body heat measurement for survival?.

Output: usually


Input:
Sentence1: an animal usually requires a warm body temperature for survival.
Sentence2: An animal usually requires a warm body heat measurement for survival?.

Output: warm


Input:
Sentence1: Male gametes are sperm.
Sentence2: fertilization of sperm produces a diploid zygote.

Output: sperm


Input:
Sentence1: an animal requires nutrients for survival.
Sentence2: Potassium is an essential nutrient for plants and animals.

Output: nutrients


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

Output: be


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

Output: covered


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

Output: found


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

Output: past


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

Output: place


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

Output: used


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

Output: water


Input:
Sentence1: While a baby is very young, during infancy, co-sleeping is very convenient for feeding schedules.
Sentence2: Very young babies have the period of most rapid growth after birth.

Output: baby


Input:
Sentence1: While a baby is very young, during infancy, co-sleeping is very convenient for feeding schedules.
Sentence2: Very young babies have the period of most rapid growth after birth.

Output: very


Input:
Sentence1: While a baby is very young, during infancy, co-sleeping is very convenient for feeding schedules.
Sentence2: Very young babies have the period of most rapid growth after birth.

Output: young


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

Output: Nephrons


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

Output: Arthropods


Input:
Sentence1: Pituitary gland is called the master gland of the body.
Sentence2: The master gland of the body produces TSH or thyroid-stimulating hormone.

Output: gland


Input:
Sentence1: Pituitary gland is called the master gland of the body.
Sentence2: The master gland of the body produces TSH or thyroid-stimulating hormone.

Output: master


Input:
Sentence1: the gravitational pull of the Moon on Earth 's oceans causes the tides.
Sentence2: The lower is the tide, the better is the wave.

Output: tides


Input:
Sentence1: Guard hairs protect the fur, while the fur insulates the mammal.
Sentence2: fur can be used for keeping warm.

Output: fur


Input:
Sentence1: Sepals are usually green, which camouflages the bud from possible consumers.
Sentence2: The enclosure of the lower part of the flower is usually green.

Output: green


Input:
Sentence1: Sepals are usually green, which camouflages the bud from possible consumers.
Sentence2: The enclosure of the lower part of the flower is usually green.

Output: usually


Input:
Sentence1: Flagella help prokaryotes move.
Sentence2: flagella help bacteria move.

Output: Flagella


Input:
Sentence1: Flagella help prokaryotes move.
Sentence2: flagella help bacteria move.

Output: help


Input:
Sentence1: Flagella help prokaryotes move.
Sentence2: flagella help bacteria move.

Output: move


Input:
Sentence1: Pysical weathering is the mechanical breakdown of rocks.
Sentence2: Physical weathering is when rocks are broken down by means.

Output: Pysical


Input:
Sentence1: Pysical weathering is the mechanical breakdown of rocks.
Sentence2: Physical weathering is when rocks are broken down by means.

Output: weathering


Input:
Sentence1: Fractures heal when osteoclasts form new bone.
Sentence2: bones heal without surgery.

Output: heal


Input:
Sentence1: Ribosomes are sites of protein synthesis.
Sentence2: Molecules of tRNA initiate protein synthesis.

Output: protein


Input:
Sentence1: Ribosomes are sites of protein synthesis.
Sentence2: Molecules of tRNA initiate protein synthesis.

Output: synthesis


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

Output: Birth


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

Output: care


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

Output: followed


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

Output: parental


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

Output: period


Input:
Sentence1: clouds are formed by water vapor rising into colder regions of the atmosphere and condensing.
Sentence2: Cloud cover and precipitation  cause temperature fluctuations.

Output: clouds


Input:
Sentence1: tidal energy can be used to produce electricity.
Sentence2: spikes come from tidal energy.

Output: energy


Input:
Sentence1: tidal energy can be used to produce electricity.
Sentence2: spikes come from tidal energy.

Output: tidal


Input:
Sentence1: Milk is a nutritious fluid.
Sentence2: Cow's Milk Cow's milk is designed for baby cows.

Output: Milk


Input:
Sentence1: Human mating behavior also involves some competition.
Sentence2: Human mating may lead to aggressive behaviors or displays of aggresion.

Output: Human


Input:
Sentence1: Human mating behavior also involves some competition.
Sentence2: Human mating may lead to aggressive behaviors or displays of aggresion.

Output: mating


Input:
Sentence1: Puberty is the period during which humans become sexually mature.
Sentence2: humans become sexually mature during adolescence.

Output: become


Input:
Sentence1: Puberty is the period during which humans become sexually mature.
Sentence2: humans become sexually mature during adolescence.

Output: humans


Input:
Sentence1: Puberty is the period during which humans become sexually mature.
Sentence2: humans become sexually mature during adolescence.

Output: mature


Input:
Sentence1: Puberty is the period during which humans become sexually mature.
Sentence2: humans become sexually mature during adolescence.

Output: sexually


Input:
Sentence1: Predators are animals that eat other animals.
Sentence2: some amphibians eat other animals.

Output: animals


Input:
Sentence1: Predators are animals that eat other animals.
Sentence2: some amphibians eat other animals.

Output: eat


Input:
Sentence1: fluoride decreases tooth decay.
Sentence2: Water decreases tooth decay.

Output: decay


Input:
Sentence1: fluoride decreases tooth decay.
Sentence2: Water decreases tooth decay.

Output: decreases


Input:
Sentence1: fluoride decreases tooth decay.
Sentence2: Water decreases tooth decay.

Output: tooth


Input:
Sentence1: Temperature falls from lower to higher altitudes.
Sentence2: the mountains have lower temperatures.

Output: Temperature


Input:
Sentence1: Temperature falls from lower to higher altitudes.
Sentence2: the mountains have lower temperatures.

Output: lower


Input:
Sentence1: a polar bear requires a cold environment.
Sentence2: Arctic air masses are exceedingly cold, with the Arctic Ocean as their source region.

Output: cold


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

Output: sensing


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

Output: energy


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

Output: food


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

Output: inorganic


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

Output: make


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

Output: molecules


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

Output: use


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: friction is used for stopping by trucks and cars using brakes.

Output: brakes


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: friction is used for stopping by trucks and cars using brakes.

Output: friction


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: friction is used for stopping by trucks and cars using brakes.

Output: stopping


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: friction is used for stopping by trucks and cars using brakes.

Output: used


Input:
Sentence1: Roundworms reproduce sexually.
Sentence2: Nematodes reproduce sexually.

Output: reproduce


Input:
Sentence1: Roundworms reproduce sexually.
Sentence2: Nematodes reproduce sexually.

Output: sexually


Input:
Sentence1: Blood type is important for medical reasons.
Sentence2: For medical advice, consult a doctor .

Output: medical


Input:
Sentence1: Cancer is a disease in which cells divide out of control.
Sentence2: Cancer is a disease which cells split and Chemotherapy stops those cells multiplying.

Output: Cancer


Input:
Sentence1: For example, the word Car refers to a type of object, so Car is a class.
Sentence2: Friction causes a car to lose energy.

Output: Car


Input:
Sentence1: Mammals generate heat mainly by keeping their metabolic rate high.
Sentence2: mammals generate heat by consuming calories.

Output: Mammals


Input:
Sentence1: Mammals generate heat mainly by keeping their metabolic rate high.
Sentence2: mammals generate heat by consuming calories.

Output: generate


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

Output: leaves


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

Output: plants


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

Output: used


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

Output: waxy


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

Output: ovaries


Input:
Sentence1: Carbon cycles quickly between organisms and the atmosphere.
Sentence2: Carbon dioxide is controlled by the carbon cycle.

Output: Carbon


Input:
Sentence1: Carbon cycles quickly between organisms and the atmosphere.
Sentence2: Carbon dioxide is controlled by the carbon cycle.

Output: cycles


Input:
Sentence1: Animals hide by using camouflage.
Sentence2: Camouflage is used for avoiding predators.

Output: camouflage


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

Output: Plastic


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

Output: bags


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

Output: reusable


Input:
Sentence1: hunting requires seeing prey.
Sentence2: getting food by killing requires seeing prey.

Output: prey


Input:
Sentence1: hunting requires seeing prey.
Sentence2: getting food by killing requires seeing prey.

Output: requires


Input:
Sentence1: hunting requires seeing prey.
Sentence2: getting food by killing requires seeing prey.

Output: seeing


Input:
Sentence1: Mollusks reproduce sexually.
Sentence2: Some mollusks have a shell.

Output: Mollusks


Input:
Sentence1: By burning natural gas, the plants produce minimal emissions of sulfur dioxide and particulates.
Sentence2: Smog also contains sulfur dioxide.

Output: dioxide


Input:
Sentence1: By burning natural gas, the plants produce minimal emissions of sulfur dioxide and particulates.
Sentence2: Smog also contains sulfur dioxide.

Output: sulfur


Input:
Sentence1: sand dunes are formed by the wind transporting and depositing sand.
Sentence2: A habitat for several rare plant species is formed by the wind transporting and depositing sand.

Output: depositing


Input:
Sentence1: sand dunes are formed by the wind transporting and depositing sand.
Sentence2: A habitat for several rare plant species is formed by the wind transporting and depositing sand.

Output: formed


Input:
Sentence1: sand dunes are formed by the wind transporting and depositing sand.
Sentence2: A habitat for several rare plant species is formed by the wind transporting and depositing sand.

Output: sand


Input:
Sentence1: sand dunes are formed by the wind transporting and depositing sand.
Sentence2: A habitat for several rare plant species is formed by the wind transporting and depositing sand.

Output: transporting


Input:
Sentence1: sand dunes are formed by the wind transporting and depositing sand.
Sentence2: A habitat for several rare plant species is formed by the wind transporting and depositing sand.

Output: wind


Input:
Sentence1: completing a circuit causes electricity to flow through that circuit.
Sentence2: current follows a circuit.

Output: circuit


Input:
Sentence1: Plants detect and respond to the daily cycle of light and darkness.
Sentence2: Potted plants in season include chrysanthemums, daisies and cyclamen.

Output: Plants


Input:
Sentence1: some light bulbs convert electricity into light and heat energy.
Sentence2: Kinetic energy is energy of movement and also includes heat energy and light energy.

Output: heat


Input:
Sentence1: some light bulbs convert electricity into light and heat energy.
Sentence2: Kinetic energy is energy of movement and also includes heat energy and light energy.

Output: light


Input:
Sentence1: a refrigerator is used for keeping food fresh for a long period of time.
Sentence2: cold is used for keeping food fresh for a long period of time.

Output: food


Input:
Sentence1: a refrigerator is used for keeping food fresh for a long period of time.
Sentence2: cold is used for keeping food fresh for a long period of time.

Output: fresh


Input:
Sentence1: a refrigerator is used for keeping food fresh for a long period of time.
Sentence2: cold is used for keeping food fresh for a long period of time.

Output: keeping


Input:
Sentence1: a refrigerator is used for keeping food fresh for a long period of time.
Sentence2: cold is used for keeping food fresh for a long period of time.

Output: long


Input:
Sentence1: a refrigerator is used for keeping food fresh for a long period of time.
Sentence2: cold is used for keeping food fresh for a long period of time.

Output: period


Input:
Sentence1: a refrigerator is used for keeping food fresh for a long period of time.
Sentence2: cold is used for keeping food fresh for a long period of time.

Output: time


Input:
Sentence1: a refrigerator is used for keeping food fresh for a long period of time.
Sentence2: cold is used for keeping food fresh for a long period of time.

Output: used


Input:
Sentence1: Insects generally have two pairs of wings for flight.
Sentence2: Flight enables many insects to move quickly away from predators.

Output: flight


Input:
Sentence1: recycling reduces the resources needed to make something.
Sentence2: Reuse is the best form of recycling.

Output: recycling


Input:
Sentence1: hibernation is used for conserving energy by some animals.
Sentence2: hibernation is an important survival trait.

Output: hibernation


Input:
Sentence1: Flagella help prokaryotes move.
Sentence2: Flagella are hair-like projections from the surface of cells.

Output: Flagella


Input:
Sentence1: high mountains with well-rounded peaks can be formed by collision of crustal plates.
Sentence2: high mountains with well-rounded peaks can be formed by collision of something studied by plate tectonics.

Output: collision


Input:
Sentence1: high mountains with well-rounded peaks can be formed by collision of crustal plates.
Sentence2: high mountains with well-rounded peaks can be formed by collision of something studied by plate tectonics.

Output: formed


Input:
Sentence1: high mountains with well-rounded peaks can be formed by collision of crustal plates.
Sentence2: high mountains with well-rounded peaks can be formed by collision of something studied by plate tectonics.

Output: high


Input:
Sentence1: high mountains with well-rounded peaks can be formed by collision of crustal plates.
Sentence2: high mountains with well-rounded peaks can be formed by collision of something studied by plate tectonics.

Output: mountains


Input:
Sentence1: high mountains with well-rounded peaks can be formed by collision of crustal plates.
Sentence2: high mountains with well-rounded peaks can be formed by collision of something studied by plate tectonics.

Output: peaks


Input:
Sentence1: high mountains with well-rounded peaks can be formed by collision of crustal plates.
Sentence2: high mountains with well-rounded peaks can be formed by collision of something studied by plate tectonics.

Output: well-rounded


Input:
Sentence1: DNA is found in chromosomes.
Sentence2: Chromosome Chromosome A chromosome is a grouping of coiled strands of DNA , containing many genes.

Output: chromosomes


Input:
Sentence1: Faster metabolism means more calories consumed, and usually, weight loss.
Sentence2: mammals generate heat by consuming calories.

Output: calories


Input:
Sentence1: Faster metabolism means more calories consumed, and usually, weight loss.
Sentence2: mammals generate heat by consuming calories.

Output: consumed


Input:
Sentence1: Cancer cells divide more often than normal cells, and grow out of control.
Sentence2: Cancer cells, however, grow out of control and develop into a tumor.

Output: control


Input:
Sentence1: Cancer cells divide more often than normal cells, and grow out of control.
Sentence2: Cancer cells, however, grow out of control and develop into a tumor.

Output: grow


Input:
Sentence1: Chromosomes are coiled structures made of DNA and proteins.
Sentence2: coiled structures made of DNA and proteins determine sex.

Output: DNA


Input:
Sentence1: Chromosomes are coiled structures made of DNA and proteins.
Sentence2: coiled structures made of DNA and proteins determine sex.

Output: coiled


Input:
Sentence1: Chromosomes are coiled structures made of DNA and proteins.
Sentence2: coiled structures made of DNA and proteins determine sex.

Output: made


Input:
Sentence1: Chromosomes are coiled structures made of DNA and proteins.
Sentence2: coiled structures made of DNA and proteins determine sex.

Output: proteins


Input:
Sentence1: Chromosomes are coiled structures made of DNA and proteins.
Sentence2: coiled structures made of DNA and proteins determine sex.

Output: structures


Input:
Sentence1: wind causes erosion.
Sentence2: wind and water both cause weathering.

Output: wind


Input:
Sentence1: increasing heat causes thermal expansion.
Sentence2: The increase in heat causes rocks to become lighter.

Output: increasing


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

Output: blood


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

Output: carry


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

Output: oxygen-rich


Input:
Sentence1: Bile reduces the acidity of food entering from the highly acidic stomach.
Sentence2: bile absorbs fats.

Output: Bile


Input:
Sentence1: Infancy is the period of most rapid growth after birth.
Sentence2: development is rapid in childhood.

Output: rapid


Input:
Sentence1: damming a river can cause a lake to form.
Sentence2: Beavers cause ponds and lakes to form.

Output: form


Input:
Sentence1: damming a river can cause a lake to form.
Sentence2: Beavers cause ponds and lakes to form.

Output: lake


Input:
Sentence1: Bioterrorism is another potential threat in the environment.
Sentence2: Education is the Key to Defense Against Bioterrorism.

Output: Bioterrorism


Input:
Sentence1: Plants respond to daily and seasonal cycles and to disease.
Sentence2: bamboo respond to daily and seasonal cycles and to disease.

Output: cycles


Input:
Sentence1: Plants respond to daily and seasonal cycles and to disease.
Sentence2: bamboo respond to daily and seasonal cycles and to disease.

Output: daily


Input:
Sentence1: Plants respond to daily and seasonal cycles and to disease.
Sentence2: bamboo respond to daily and seasonal cycles and to disease.

Output: disease


Input:
Sentence1: Plants respond to daily and seasonal cycles and to disease.
Sentence2: bamboo respond to daily and seasonal cycles and to disease.

Output: respond


Input:
Sentence1: Plants respond to daily and seasonal cycles and to disease.
Sentence2: bamboo respond to daily and seasonal cycles and to disease.

Output: seasonal


Input:
Sentence1: Soil erosion harms farm and grazing lands and increases flooding and desertification.
Sentence2: When a river floods, that river harms farm and grazing lands.

Output: farm


Input:
Sentence1: Soil erosion harms farm and grazing lands and increases flooding and desertification.
Sentence2: When a river floods, that river harms farm and grazing lands.

Output: grazing


Input:
Sentence1: Soil erosion harms farm and grazing lands and increases flooding and desertification.
Sentence2: When a river floods, that river harms farm and grazing lands.

Output: harms


Input:
Sentence1: Soil erosion harms farm and grazing lands and increases flooding and desertification.
Sentence2: When a river floods, that river harms farm and grazing lands.

Output: lands


Input:
Sentence1: mineral graphite is used for making pencil lead.
Sentence2: F.Y.I., graphite is known as a semimetal.

Output: graphite


Input:
Sentence1: Weather changes from season to season.
Sentence2: Earth orbiting the sun causes weather changes.

Output: Weather


Input:
Sentence1: Weather changes from season to season.
Sentence2: Earth orbiting the sun causes weather changes.

Output: changes


Input:
Sentence1: When larvae are swallowed by the cat, hookworm infection is established.
Sentence2: hookworm infection is established when hookworm enter through the skin.

Output: established


Input:
Sentence1: When larvae are swallowed by the cat, hookworm infection is established.
Sentence2: hookworm infection is established when hookworm enter through the skin.

Output: hookworm


Input:
Sentence1: When larvae are swallowed by the cat, hookworm infection is established.
Sentence2: hookworm infection is established when hookworm enter through the skin.

Output: infection


Input:
Sentence1: hurricanes convert heat energy into mechanical energy.
Sentence2: Some more recent hurricanes are Hurricane Andrew and Hurricane Fran.

Output: hurricanes


Input:
Sentence1: riding a bike does not cause pollution.
Sentence2: Pollution One of the ways habitat is degraded is by pollution.

Output: pollution


Input:
Sentence1: seat belts are used for preventing injuries to passengers in cars.
Sentence2: Whiplash injuries are soft tissue injuries.

Output: injuries


Input:
Sentence1: Leaves make food for the plant.
Sentence2: Some producers have leaves to help use energy and inorganic molecules.

Output: Leaves


Input:
Sentence1: Frogs also have a larynx, or voice box, to make sounds.
Sentence2: Frogs croak to alert other frogs that is their territory.

Output: Frogs


Input:
Sentence1: Playing is just one of many ways that mammals and other animals learn how to behave.
Sentence2: Dogs like to play fetch.

Output: Playing


Input:
Sentence1: And somewhere a beagle howls a most pitiful sound.
Sentence2: wolves use sound to warn other wolves.

Output: sound


Input:
Sentence1: pushing on the pedals of a bike cause that bike to move.
Sentence2: pushing with strokes on a bike cause that bike to move.

Output: cause


Input:
Sentence1: pushing on the pedals of a bike cause that bike to move.
Sentence2: pushing with strokes on a bike cause that bike to move.

Output: move


Input:
Sentence1: pushing on the pedals of a bike cause that bike to move.
Sentence2: pushing with strokes on a bike cause that bike to move.

Output: pushing


Input:
Sentence1: Mutations in somatic cells are called somatic mutations .
Sentence2: somatic cells perform evolution.

Output: somatic


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

Output: good


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

Output: visibility


Input:
Sentence1: Some insects can use their antennae to detect sound.
Sentence2: Some insects can use their antennae to detect vibrational energy.

Output: Some


Input:
Sentence1: Some insects can use their antennae to detect sound.
Sentence2: Some insects can use their antennae to detect vibrational energy.

Output: antennae


Input:
Sentence1: Some insects can use their antennae to detect sound.
Sentence2: Some insects can use their antennae to detect vibrational energy.

Output: can


Input:
Sentence1: Some insects can use their antennae to detect sound.
Sentence2: Some insects can use their antennae to detect vibrational energy.

Output: detect


Input:
Sentence1: Some insects can use their antennae to detect sound.
Sentence2: Some insects can use their antennae to detect vibrational energy.

Output: insects


Input:
Sentence1: Some insects can use their antennae to detect sound.
Sentence2: Some insects can use their antennae to detect vibrational energy.

Output: their


Input:
Sentence1: Some insects can use their antennae to detect sound.
Sentence2: Some insects can use their antennae to detect vibrational energy.

Output: use


Input:
Sentence1: sunlight and rain can cause a rainbow.
Sentence2: Rainbows are very pretty.

Output: rainbow


Input:
Sentence1: When eating in any situation, try to balance variety with a small portion.
Sentence2: Eating a variety of small portions is a way of eating that promotes good health.

Output: eating


Input:
Sentence1: When eating in any situation, try to balance variety with a small portion.
Sentence2: Eating a variety of small portions is a way of eating that promotes good health.

Output: portion


Input:
Sentence1: When eating in any situation, try to balance variety with a small portion.
Sentence2: Eating a variety of small portions is a way of eating that promotes good health.

Output: small


Input:
Sentence1: When eating in any situation, try to balance variety with a small portion.
Sentence2: Eating a variety of small portions is a way of eating that promotes good health.

Output: variety


Input:
Sentence1: moss causes chemical weathering.
Sentence2: Sphagnum moss mixed with peat moss.

Output: moss


Input:
Sentence1: Sperm and eggs are cells known as gametes.
Sentence2: Fertilization occurs when gametes fuse.

Output: gametes


Input:
Sentence1: Visible and invisible light is energy in the form of electromagnetic waves.
Sentence2: Eyes are used for seeing animals by sensing electromagnetic waves.

Output: electromagnetic


Input:
Sentence1: Visible and invisible light is energy in the form of electromagnetic waves.
Sentence2: Eyes are used for seeing animals by sensing electromagnetic waves.

Output: waves


Input:
Sentence1: Speed is in miles per hour and distance is in miles with yards as a sub-measure.
Sentence2: Speedometers are used to give a driver feedback on how many miles per hour their vehicle goes.

Output: hour


Input:
Sentence1: Speed is in miles per hour and distance is in miles with yards as a sub-measure.
Sentence2: Speedometers are used to give a driver feedback on how many miles per hour their vehicle goes.

Output: miles


Input:
Sentence1: Speed is in miles per hour and distance is in miles with yards as a sub-measure.
Sentence2: Speedometers are used to give a driver feedback on how many miles per hour their vehicle goes.

Output: per


Input:
Sentence1: zinc has a positive impact on the healing of wounds.
Sentence2: Zinc and heat are good for wounds.

Output: zinc


Input:
Sentence1: Cold vinegar relieves sunburn.
Sentence2: Exposure to ultraviolet light can be relieved with cold vinegar.

Output: Cold


Input:
Sentence1: Cold vinegar relieves sunburn.
Sentence2: Exposure to ultraviolet light can be relieved with cold vinegar.

Output: vinegar


Input:
Sentence1: Ducks generally have webbing on their feet.
Sentence2: Ducks can move fast through water.

Output: Ducks


Input:
Sentence1: Unlike most female animals, which have two functioning ovaries, the chicken usually has only one.
Sentence2: Something chickens have only one that functions is used in reproduction.

Output: chicken


Input:
Sentence1: Unlike most female animals, which have two functioning ovaries, the chicken usually has only one.
Sentence2: Something chickens have only one that functions is used in reproduction.

Output: functioning


Input:
Sentence1: Unlike most female animals, which have two functioning ovaries, the chicken usually has only one.
Sentence2: Something chickens have only one that functions is used in reproduction.

Output: has


Input:
Sentence1: Unlike most female animals, which have two functioning ovaries, the chicken usually has only one.
Sentence2: Something chickens have only one that functions is used in reproduction.

Output: one


Input:
Sentence1: Unlike most female animals, which have two functioning ovaries, the chicken usually has only one.
Sentence2: Something chickens have only one that functions is used in reproduction.

Output: only


Input:
Sentence1: Ducks have webbed feet, designed for swimming.
Sentence2: Feet designed for swimming are used for moving faster through water.

Output: designed


Input:
Sentence1: Ducks have webbed feet, designed for swimming.
Sentence2: Feet designed for swimming are used for moving faster through water.

Output: feet


Input:
Sentence1: Ducks have webbed feet, designed for swimming.
Sentence2: Feet designed for swimming are used for moving faster through water.

Output: swimming


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

Output: beads


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

Output: water


Input:
Sentence1: lightning can cause a forest fire.
Sentence2: Forest fires are bad for the environment.

Output: fire


Input:
Sentence1: lightning can cause a forest fire.
Sentence2: Forest fires are bad for the environment.

Output: forest


Input:
Sentence1: Halos are produced by the refraction of light.
Sentence2: glass can cause halos.

Output: Halos


Input:
Sentence1: Chemical Bonding A chemical bond is the sharing or transfer of electrons.
Sentence2: The transfer of electrons occurs when substances react with one another.

Output: electrons


Input:
Sentence1: Chemical Bonding A chemical bond is the sharing or transfer of electrons.
Sentence2: The transfer of electrons occurs when substances react with one another.

Output: transfer


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: A molecule of carbohydrate or protein molecule the immune system recognizes as foreign to the body.

Output: body


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: A molecule of carbohydrate or protein molecule the immune system recognizes as foreign to the body.

Output: foreign


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: A molecule of carbohydrate or protein molecule the immune system recognizes as foreign to the body.

Output: immune


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: A molecule of carbohydrate or protein molecule the immune system recognizes as foreign to the body.

Output: recognizes


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: A molecule of carbohydrate or protein molecule the immune system recognizes as foreign to the body.

Output: system


Input:
Sentence1: Sperms swim with their tails.
Sentence2: Something that moves with a tail had to swim from male to female reproductive organs for fertilization.

Output: tails


Input:
Sentence1: a tape measure is used to measure length.
Sentence2: For the square, the side is of length x.

Output: length


Input:
Sentence1: Insects may live in large colonies and have complex social behaviors.
Sentence2: Arthropods with wings may live in large colonies and have complex social behaviors.

Output: behaviors


Input:
Sentence1: Insects may live in large colonies and have complex social behaviors.
Sentence2: Arthropods with wings may live in large colonies and have complex social behaviors.

Output: colonies


Input:
Sentence1: Insects may live in large colonies and have complex social behaviors.
Sentence2: Arthropods with wings may live in large colonies and have complex social behaviors.

Output: complex


Input:
Sentence1: Insects may live in large colonies and have complex social behaviors.
Sentence2: Arthropods with wings may live in large colonies and have complex social behaviors.

Output: large


Input:
Sentence1: Insects may live in large colonies and have complex social behaviors.
Sentence2: Arthropods with wings may live in large colonies and have complex social behaviors.

Output: live


Input:
Sentence1: Insects may live in large colonies and have complex social behaviors.
Sentence2: Arthropods with wings may live in large colonies and have complex social behaviors.

Output: social


Input:
Sentence1: Heat and temperature are the same thing.
Sentence2: temperature can change the state of matter.

Output: temperature


Input:
Sentence1: sound can be used for communication by animals.
Sentence2: Vibrations can be used for communication by animals.

Output: animals


Input:
Sentence1: sound can be used for communication by animals.
Sentence2: Vibrations can be used for communication by animals.

Output: communication


Input:
Sentence1: Nuts are also consumed by deer, turkey, foxes, wood ducks and squirrels.
Sentence2: wood ducks can feed at more than one trophic level.

Output: ducks


Input:
Sentence1: Nuts are also consumed by deer, turkey, foxes, wood ducks and squirrels.
Sentence2: wood ducks can feed at more than one trophic level.

Output: wood


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: friction is used for stopping a car by brakes.

Output: brakes


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: friction is used for stopping a car by brakes.

Output: friction


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: friction is used for stopping a car by brakes.

Output: stopping


Input:
Sentence1: friction is used for stopping a vehicle by brakes.
Sentence2: friction is used for stopping a car by brakes.

Output: used


Input:
Sentence1: Cell division is how organisms grow and repair themselves.
Sentence2: Mitosis is how organisms grow and repair themselves.

Output: and


Input:
Sentence1: Cell division is how organisms grow and repair themselves.
Sentence2: Mitosis is how organisms grow and repair themselves.

Output: grow


Input:
Sentence1: Cell division is how organisms grow and repair themselves.
Sentence2: Mitosis is how organisms grow and repair themselves.

Output: how


Input:
Sentence1: Cell division is how organisms grow and repair themselves.
Sentence2: Mitosis is how organisms grow and repair themselves.

Output: is


Input:
Sentence1: Cell division is how organisms grow and repair themselves.
Sentence2: Mitosis is how organisms grow and repair themselves.

Output: organisms


Input:
Sentence1: Cell division is how organisms grow and repair themselves.
Sentence2: Mitosis is how organisms grow and repair themselves.

Output: repair


Input:
Sentence1: Cell division is how organisms grow and repair themselves.
Sentence2: Mitosis is how organisms grow and repair themselves.

Output: themselves


Input:
Sentence1: Insects are the most common invertebrates.
Sentence2: most insects have a nervous system.

Output: Insects


Input:
Sentence1: if weather is stormy then there is a greater chance of rain.
Sentence2: If weather is stormy then there is a chance of destroyed crops.

Output: chance


Input:
Sentence1: if weather is stormy then there is a greater chance of rain.
Sentence2: If weather is stormy then there is a chance of destroyed crops.

Output: stormy


Input:
Sentence1: if weather is stormy then there is a greater chance of rain.
Sentence2: If weather is stormy then there is a chance of destroyed crops.

Output: then


Input:
Sentence1: if weather is stormy then there is a greater chance of rain.
Sentence2: If weather is stormy then there is a chance of destroyed crops.

Output: there


Input:
Sentence1: if weather is stormy then there is a greater chance of rain.
Sentence2: If weather is stormy then there is a chance of destroyed crops.

Output: weather


Input:
Sentence1: plasma is formed by electrons separating from atoms in stars.
Sentence2: Plasma Is the liquid portion of the blood.

Output: plasma


Input:
Sentence1: cross-pollination increases genetic diversity.
Sentence2: cross-pollination increases evolution.

Output: cross-pollination


Input:
Sentence1: cross-pollination increases genetic diversity.
Sentence2: cross-pollination increases evolution.

Output: increases


Input:
Sentence1: Heat transfer always occurs from warm to cool.
Sentence2: Absorbing sunlight causes cool objects to warm up.

Output: cool


Input:
Sentence1: Heat transfer always occurs from warm to cool.
Sentence2: Absorbing sunlight causes cool objects to warm up.

Output: warm


Input:
Sentence1: Mating is generally preceded by courtship.
Sentence2: Males and females mix only to mate.

Output: Mating


Input:
Sentence1: Chromoplasts make and store pigments.
Sentence2: Photosynthesis Pigments Pigments are substances that absorb visible light.

Output: pigments


Input:
Sentence1: Light is the visible form of electromagnetic energy.
Sentence2: A laser is used for producing electromagnetic energy.

Output: electromagnetic


Input:
Sentence1: Light is the visible form of electromagnetic energy.
Sentence2: A laser is used for producing electromagnetic energy.

Output: energy


Input:
Sentence1: An earthquake is a sudden shaking of the ground.
Sentence2: Faulting of rock in Earth 's crust causes sudden shaking of the ground.

Output: ground


Input:
Sentence1: An earthquake is a sudden shaking of the ground.
Sentence2: Faulting of rock in Earth 's crust causes sudden shaking of the ground.

Output: shaking


Input:
Sentence1: An earthquake is a sudden shaking of the ground.
Sentence2: Faulting of rock in Earth 's crust causes sudden shaking of the ground.

Output: sudden


Input:
Sentence1: if an object reflects light toward the eye then that object can be seen.
Sentence2: Light is made up of particles called photons.

Output: light


Input:
Sentence1: Climate changes across seasons can be explained by the tilt of the Earth's rotation axis.
Sentence2: The direction the earth is tilted while it orbits the sun is what causes climate to change.

Output: Climate


Input:
Sentence1: Climate changes across seasons can be explained by the tilt of the Earth's rotation axis.
Sentence2: The direction the earth is tilted while it orbits the sun is what causes climate to change.

Output: changes


Input:
Sentence1: Climate changes across seasons can be explained by the tilt of the Earth's rotation axis.
Sentence2: The direction the earth is tilted while it orbits the sun is what causes climate to change.

Output: tilt


Input:
Sentence1: if gas is heated then that gas will expand.
Sentence2: Hydrogen chloride is a gas.

Output: gas


Input:
Sentence1: Fungi are the only organisms that can decompose wood.
Sentence2: Mushrooms are organisms known as fungi.

Output: Fungi


Input:
Sentence1: Fungi are the only organisms that can decompose wood.
Sentence2: Mushrooms are organisms known as fungi.

Output: organisms


Input:
Sentence1: safety goggles are used for protecting the eyes during experiments.
Sentence2: glasses with sideshields are recommended for protecting the eyes during experiments.

Output: during


Input:
Sentence1: safety goggles are used for protecting the eyes during experiments.
Sentence2: glasses with sideshields are recommended for protecting the eyes during experiments.

Output: experiments


Input:
Sentence1: safety goggles are used for protecting the eyes during experiments.
Sentence2: glasses with sideshields are recommended for protecting the eyes during experiments.

Output: eyes


Input:
Sentence1: safety goggles are used for protecting the eyes during experiments.
Sentence2: glasses with sideshields are recommended for protecting the eyes during experiments.

Output: protecting


Input:
Sentence1: a black hole is formed by a high-mass star collapses.
Sentence2: a star collapsing can be invisible.

Output: collapses


Input:
Sentence1: Water, for example, is a liquid.
Sentence2: dropping an object into liquid causes vibrations in the liquid.

Output: liquid


Input:
Sentence1: if something is outside during the day then that something will receive sunlight.
Sentence2: if something is outside during the day then it will receive UVA and UVB rays.

Output: day


Input:
Sentence1: if something is outside during the day then that something will receive sunlight.
Sentence2: if something is outside during the day then it will receive UVA and UVB rays.

Output: during


Input:
Sentence1: if something is outside during the day then that something will receive sunlight.
Sentence2: if something is outside during the day then it will receive UVA and UVB rays.

Output: outside


Input:
Sentence1: if something is outside during the day then that something will receive sunlight.
Sentence2: if something is outside during the day then it will receive UVA and UVB rays.

Output: something


Input:
Sentence1: Fungi have special structures for penetrating a host.
Sentence2: bacteria cause disease in hosts.

Output: host


Input:
Sentence1: For cooking, gas or wood stoves can be used.
Sentence2: gas can be used to generate heat.

Output: gas


Input:
Sentence1: animals require water for survival.
Sentence2: plants will die without water.

Output: water


Input:
Sentence1: fanning a fire increases the oxygen near the fire.
Sentence2: Fans blow directly above the oche.

Output: fanning


Input:
Sentence1: Warmer air has already led to melting glaciers.
Sentence2: warmer air forms boulders sometimes.

Output: Warmer


Input:
Sentence1: Warmer air has already led to melting glaciers.
Sentence2: warmer air forms boulders sometimes.

Output: air


Input:
Sentence1: harming an animal species has a negative impact on the population size of that species.
Sentence2: All dogs are animals .

Output: animal


Input:
Sentence1: ice wedging is when ice causes rocks to crack by expanding in openings.
Sentence2: Ice wedging is the most important form of mechanical weathering.

Output: ice


Input:
Sentence1: ice wedging is when ice causes rocks to crack by expanding in openings.
Sentence2: Ice wedging is the most important form of mechanical weathering.

Output: wedging


Input:
Sentence1: when a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight.
Sentence2: When a hemisphere is tilted towards the sun that hemisphere has higher temperatures.

Output: hemisphere


Input:
Sentence1: when a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight.
Sentence2: When a hemisphere is tilted towards the sun that hemisphere has higher temperatures.

Output: sun


Input:
Sentence1: when a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight.
Sentence2: When a hemisphere is tilted towards the sun that hemisphere has higher temperatures.

Output: that


Input:
Sentence1: when a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight.
Sentence2: When a hemisphere is tilted towards the sun that hemisphere has higher temperatures.

Output: tilted


Input:
Sentence1: when a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight.
Sentence2: When a hemisphere is tilted towards the sun that hemisphere has higher temperatures.

Output: towards


Input:
Sentence1: when a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight.
Sentence2: When a hemisphere is tilted towards the sun that hemisphere has higher temperatures.

Output: when


Input:
Sentence1: Fungi spores can develop into new haploid individuals without being fertilized.
Sentence2: Spores of Candida and Aspergillus can develop into new haploid individuals without being fertilized.

Output: being


Input:
Sentence1: Fungi spores can develop into new haploid individuals without being fertilized.
Sentence2: Spores of Candida and Aspergillus can develop into new haploid individuals without being fertilized.

Output: can


Input:
Sentence1: Fungi spores can develop into new haploid individuals without being fertilized.
Sentence2: Spores of Candida and Aspergillus can develop into new haploid individuals without being fertilized.

Output: develop


Input:
Sentence1: Fungi spores can develop into new haploid individuals without being fertilized.
Sentence2: Spores of Candida and Aspergillus can develop into new haploid individuals without being fertilized.

Output: fertilized


Input:
Sentence1: Fungi spores can develop into new haploid individuals without being fertilized.
Sentence2: Spores of Candida and Aspergillus can develop into new haploid individuals without being fertilized.

Output: haploid


Input:
Sentence1: Fungi spores can develop into new haploid individuals without being fertilized.
Sentence2: Spores of Candida and Aspergillus can develop into new haploid individuals without being fertilized.

Output: individuals


Input:
Sentence1: Fungi spores can develop into new haploid individuals without being fertilized.
Sentence2: Spores of Candida and Aspergillus can develop into new haploid individuals without being fertilized.

Output: into


Input:
Sentence1: Fungi spores can develop into new haploid individuals without being fertilized.
Sentence2: Spores of Candida and Aspergillus can develop into new haploid individuals without being fertilized.

Output: new


Input:
Sentence1: Fungi spores can develop into new haploid individuals without being fertilized.
Sentence2: Spores of Candida and Aspergillus can develop into new haploid individuals without being fertilized.

Output: spores


Input:
Sentence1: Fungi spores can develop into new haploid individuals without being fertilized.
Sentence2: Spores of Candida and Aspergillus can develop into new haploid individuals without being fertilized.

Output: without


Input:
Sentence1: Like all plants, it needs sunlight and warmth to grow.
Sentence2: if a tree falls it helps surrounding plants grow.

Output: plants


Input:
Sentence1: Soft-tipped darts are a good example of projectiles.
Sentence2: projectiles are used by sea anemones for defense.

Output: projectiles


Input:
Sentence1: being distracted while driving can cause people to crash their car.
Sentence2: Eating and drinking in the car is a major distraction.

Output: distracted


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

Output: plants


Input:
Sentence1: Migration is a type of movement that changes population size.
Sentence2: Population viability Population sizes are under constant fluctuation.

Output: population


Input:
Sentence1: if an object is black then that object absorbs all visible light.
Sentence2: black objects absorb sunlight.

Output: absorbs


Input:
Sentence1: if an object is black then that object absorbs all visible light.
Sentence2: black objects absorb sunlight.

Output: black


Input:
Sentence1: if an object is black then that object absorbs all visible light.
Sentence2: black objects absorb sunlight.

Output: object


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

Output: converts


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

Output: doorbell


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

Output: electrical


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

Output: energy


Input:
Sentence1: Humans are heterotrophic eukaryotes.
Sentence2: humans are eukyarotes.

Output: eukaryotes


Input:
Sentence1: a watch is used for measuring time.
Sentence2: Probably the easiest way to see time is to watch the ticking hands of a clock.

Output: watch


Input:
Sentence1: Some animals attract mates with scent.
Sentence2: animal courtship can involve scent.

Output: animals


Input:
Sentence1: Some animals attract mates with scent.
Sentence2: animal courtship can involve scent.

Output: scent


Input:
Sentence1: a light bulb is used for seeing in the dark.
Sentence2: After stumbling around in the dark tunnels of the basement, Marco finds the control room.

Output: dark


Input:
Sentence1: a mirror is used for reflecting light.
Sentence2: Sunlight is white light.

Output: light


Input:
Sentence1: Minerals are inorganic substances.
Sentence2: Producers use energy and minerals to make food.

Output: Minerals


Input:
Sentence1: Spores are somewhat like seeds.
Sentence2: Sporangia produce seeds that develop into tiny heart shaped gametophytes.

Output: seeds


Input:
Sentence1: For example, in salt water, salt is the solute and water is the solvent.
Sentence2: Heating salty water causes the solvent to evaporate while the solute remains.

Output: solute


Input:
Sentence1: For example, in salt water, salt is the solute and water is the solvent.
Sentence2: Heating salty water causes the solvent to evaporate while the solute remains.

Output: solvent


Input:
Sentence1: Animals are a kingdom of multicellular eukaryotes.
Sentence2: plants and animals are multicellular.

Output: Animals


Input:
Sentence1: Animals are a kingdom of multicellular eukaryotes.
Sentence2: plants and animals are multicellular.

Output: multicellular


Input:
Sentence1: All oaks are trees.
Sentence2: Cutting down oaks has a negative impact on an ecosystem.

Output: oaks


Input:
Sentence1: Present day erosion is caused by wind.
Sentence2: Uneven heating of the Earth's surface can cause erosion.

Output: erosion


Input:
Sentence1: if gas is heated then that gas will expand.
Sentence2: if nitrogen is heated it will expand.

Output: expand


Input:
Sentence1: if gas is heated then that gas will expand.
Sentence2: if nitrogen is heated it will expand.

Output: heated


Input:
Sentence1: Soil can be depleted of nutrients.
Sentence2: some soil can't grow plants.

Output: Soil


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: Plants have more difficulty growing when a hemisphere is tilted away from the sun.

Output: away


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: Plants have more difficulty growing when a hemisphere is tilted away from the sun.

Output: hemisphere


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: Plants have more difficulty growing when a hemisphere is tilted away from the sun.

Output: sunlight


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: Plants have more difficulty growing when a hemisphere is tilted away from the sun.

Output: tilted


Input:
Sentence1: the Earth being tilted on its rotating axis causes seasons.
Sentence2: Because the daylight changes with the seasons, ActiveEarth does, too.

Output: seasons


Input:
Sentence1: Just like bricks are the building blocks of a home, atoms are the building blocks of matter .
Sentence2: Cells are the microscopic building bricks of organisms.

Output: bricks


Input:
Sentence1: x-rays are used in medical technology.
Sentence2: a negative image is used in medical technology.

Output: medical


Input:
Sentence1: x-rays are used in medical technology.
Sentence2: a negative image is used in medical technology.

Output: technology


Input:
Sentence1: x-rays are used in medical technology.
Sentence2: a negative image is used in medical technology.

Output: used


Input:
Sentence1: Organic molecules are the basic building blocks of living organisms on earth.
Sentence2: cells are the microscopic parts of  organic molecules of living organisms.

Output: Organic


Input:
Sentence1: Organic molecules are the basic building blocks of living organisms on earth.
Sentence2: cells are the microscopic parts of  organic molecules of living organisms.

Output: living


Input:
Sentence1: Organic molecules are the basic building blocks of living organisms on earth.
Sentence2: cells are the microscopic parts of  organic molecules of living organisms.

Output: molecules


Input:
Sentence1: Organic molecules are the basic building blocks of living organisms on earth.
Sentence2: cells are the microscopic parts of  organic molecules of living organisms.

Output: organisms


Input:
Sentence1: Plastics are made from petroleum and produce toxic waste.
Sentence2: Plastics are a petrochemical and produce toxic waste.

Output: Plastics


Input:
Sentence1: Plastics are made from petroleum and produce toxic waste.
Sentence2: Plastics are a petrochemical and produce toxic waste.

Output: produce


Input:
Sentence1: Plastics are made from petroleum and produce toxic waste.
Sentence2: Plastics are a petrochemical and produce toxic waste.

Output: toxic


Input:
Sentence1: Plastics are made from petroleum and produce toxic waste.
Sentence2: Plastics are a petrochemical and produce toxic waste.

Output: waste


Input:
Sentence1: Evaporation of sweat uses energy, and the energy comes from body heat.
Sentence2: Evaporation of sweat uses energy, and the energy comes from exercise.

Output: Evaporation


Input:
Sentence1: Evaporation of sweat uses energy, and the energy comes from body heat.
Sentence2: Evaporation of sweat uses energy, and the energy comes from exercise.

Output: comes


Input:
Sentence1: Evaporation of sweat uses energy, and the energy comes from body heat.
Sentence2: Evaporation of sweat uses energy, and the energy comes from exercise.

Output: energy


Input:
Sentence1: Evaporation of sweat uses energy, and the energy comes from body heat.
Sentence2: Evaporation of sweat uses energy, and the energy comes from exercise.

Output: from


Input:
Sentence1: Evaporation of sweat uses energy, and the energy comes from body heat.
Sentence2: Evaporation of sweat uses energy, and the energy comes from exercise.

Output: sweat


Input:
Sentence1: Evaporation of sweat uses energy, and the energy comes from body heat.
Sentence2: Evaporation of sweat uses energy, and the energy comes from exercise.

Output: uses


Input:
Sentence1: Birds are endothermic tetrapod vertebrates.
Sentence2: Animals in the class aves are endothermic tetrapod vertebrates.

Output: are


Input:
Sentence1: Birds are endothermic tetrapod vertebrates.
Sentence2: Animals in the class aves are endothermic tetrapod vertebrates.

Output: endothermic


Input:
Sentence1: Birds are endothermic tetrapod vertebrates.
Sentence2: Animals in the class aves are endothermic tetrapod vertebrates.

Output: tetrapod


Input:
Sentence1: Birds are endothermic tetrapod vertebrates.
Sentence2: Animals in the class aves are endothermic tetrapod vertebrates.

Output: vertebrates


Input:
Sentence1: And slow sperm is one of the leading causes of male infertility .
Sentence2: slow sperm may not swim fast.

Output: slow


Input:
Sentence1: Viruses cannot reproduce by themselves.
Sentence2: Influenza is a disease that cannot reproduce by itself.

Output: by


Input:
Sentence1: Viruses cannot reproduce by themselves.
Sentence2: Influenza is a disease that cannot reproduce by itself.

Output: cannot


Input:
Sentence1: Viruses cannot reproduce by themselves.
Sentence2: Influenza is a disease that cannot reproduce by itself.

Output: reproduce


Input:
Sentence1: Viruses cannot reproduce by themselves.
Sentence2: Influenza is a disease that cannot reproduce by itself.

Output: themselves


Input:
Sentence1: intense heat has a negative impact on an organism.
Sentence2: fire has a negative impact on most organisms.

Output: impact


Input:
Sentence1: intense heat has a negative impact on an organism.
Sentence2: fire has a negative impact on most organisms.

Output: negative


Input:
Sentence1: intense heat has a negative impact on an organism.
Sentence2: fire has a negative impact on most organisms.

Output: on


Input:
Sentence1: intense heat has a negative impact on an organism.
Sentence2: fire has a negative impact on most organisms.

Output: organism


Input:
Sentence1: plasma is formed by electrons separating from atoms in stars.
Sentence2: Stars shine because they are hot .

Output: stars


Input:
Sentence1: Playing is one way mammals and other animals learn how to behave.
Sentence2: Involvement in play takes time and energy.

Output: Playing


Input:
Sentence1: Chemical bonds form when substances react with one another.
Sentence2: sharing of electrons forms a bond.

Output: bonds


Input:
Sentence1: exercise has a positive impact on a human 's health.
Sentence2: An exercise is a movement designed to work a specific muscle or muscles.

Output: exercise


Input:
Sentence1: Human papillomavirus vaccine is aimed at the cause of most cases of cervical cancer.
Sentence2: A vaccine against a virus can protect against cervical cancer.

Output: cervical


Input:
Sentence1: Human papillomavirus vaccine is aimed at the cause of most cases of cervical cancer.
Sentence2: A vaccine against a virus can protect against cervical cancer.

Output: vaccine


Input:
Sentence1: Diet Filter feeders, they eat krill and plankton.
Sentence2: Sponges eat krill and plankton.

Output: krill


Input:
Sentence1: Diet Filter feeders, they eat krill and plankton.
Sentence2: Sponges eat krill and plankton.

Output: plankton


Input:
Sentence1: hitting an object causes the particles in that object to vibrate.
Sentence2: Frequency is the measurable rate of that vibration.

Output: vibrate


Input:
Sentence1: soil is formed by weathering.
Sentence2: Soil is made from rocks eroding.

Output: formed


Input:
Sentence1: soil is formed by weathering.
Sentence2: Soil is made from rocks eroding.

Output: soil


Input:
Sentence1: wind is used for producing electricity.
Sentence2: Wind is caused because of pressure differences in the atmosphere.

Output: wind


Input:
Sentence1: For instance, glucose is a sugar.
Sentence2: Insulin helps cells take up sugar from the blood.

Output: sugar


Input:
Sentence1: Algae have varied life cycles.
Sentence2: algae are capable of reproduction.

Output: Algae


Input:
Sentence1: Birds move their wings using muscles in the chest.
Sentence2: Eagles are a big bird.

Output: Birds


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Differences in solar warming with latitude during the day on the Earth's surface influence global wind patterns.

Output: global


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Differences in solar warming with latitude during the day on the Earth's surface influence global wind patterns.

Output: patterns


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Differences in solar warming with latitude during the day on the Earth's surface influence global wind patterns.

Output: wind


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

Output: harming


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

Output: impact


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

Output: negative


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

Output: population


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

Output: size


Input:
Sentence1: Communication is the exchange of information, ideas and emotions.
Sentence2: Animals exchange information with sounds, chemicals or visual cues.

Output: exchange


Input:
Sentence1: Communication is the exchange of information, ideas and emotions.
Sentence2: Animals exchange information with sounds, chemicals or visual cues.

Output: information


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: pressure causes the temperature of an object to increase.

Output: causes


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: pressure causes the temperature of an object to increase.

Output: increase


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: pressure causes the temperature of an object to increase.

Output: object


Input:
Sentence1: friction causes the temperature of an object to increase.
Sentence2: pressure causes the temperature of an object to increase.

Output: temperature


Input:
Sentence1: Mammalian predators include the coyote and bobcat.
Sentence2: a coyote's teeth is important for digestion.

Output: coyote


Input:
Sentence1: the type of material through which sound passes changes the speed at which sound travels.
Sentence2: Sound, a type of energy, is produced by vibrations and travels in waves.

Output: sound


Input:
Sentence1: the type of material through which sound passes changes the speed at which sound travels.
Sentence2: Sound, a type of energy, is produced by vibrations and travels in waves.

Output: travels


Input:
Sentence1: Soil can be depleted of nutrients.
Sentence2: Food and minerals are both nutrients.

Output: nutrients


Input:
Sentence1: Social behavior is organized by social relationships.
Sentence2: Insects may live in large colonies and have complex social relationships.

Output: relationships


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

Output: heat


Input:
Sentence1: Spring, summer,autumn and winter are seasons.
Sentence2: the Earth being tilted on its rotating axis causes winter.

Output: winter


Input:
Sentence1: Amphibians are important predators of insects, other invertebrates and vertebrates.
Sentence2: Amphibians are predators of insects.

Output: insects


Input:
Sentence1: Amphibians are important predators of insects, other invertebrates and vertebrates.
Sentence2: Amphibians are predators of insects.

Output: predators


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

Output: chronic