Input:
Sentence1: when a gas in an open container evaporates , that gas spreads out into the air.
Sentence2: when a gas in an open container evaporates gas molecules slamming into one another.

Output: evaporates


Input:
Sentence1: when a gas in an open container evaporates , that gas spreads out into the air.
Sentence2: when a gas in an open container evaporates gas molecules slamming into one another.

Output: gas


Input:
Sentence1: when a gas in an open container evaporates , that gas spreads out into the air.
Sentence2: when a gas in an open container evaporates gas molecules slamming into one another.

Output: open


Input:
Sentence1: dropping an object into water causes vibrations in the water.
Sentence2: Lake water visibly disturbed.

Output: water


Input:
Sentence1: a radio converts electrical energy into vibrations.
Sentence2: Ordinary hearing is the result of the stimulation of bones in the inner ear by means of vibration.

Output: vibrations


Input:
Sentence1: if an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity.
Sentence2: An object is buoyant when it is less dense than the fluid around it.

Output: fluid


Input:
Sentence1: if an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity.
Sentence2: An object is buoyant when it is less dense than the fluid around it.

Output: object


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: Some species with scales or plates can go several weeks between meals.

Output: Some


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: Some species with scales or plates can go several weeks between meals.

Output: between


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: Some species with scales or plates can go several weeks between meals.

Output: can


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: Some species with scales or plates can go several weeks between meals.

Output: go


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: Some species with scales or plates can go several weeks between meals.

Output: meals


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: Some species with scales or plates can go several weeks between meals.

Output: several


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: Some species with scales or plates can go several weeks between meals.

Output: species


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: Some species with scales or plates can go several weeks between meals.

Output: weeks


Input:
Sentence1: Sperm pass out of the body through the urethra.
Sentence2: Sperm pass out of the body through a single tube that runs to the penis.

Output: Sperm


Input:
Sentence1: Sperm pass out of the body through the urethra.
Sentence2: Sperm pass out of the body through a single tube that runs to the penis.

Output: body


Input:
Sentence1: Sperm pass out of the body through the urethra.
Sentence2: Sperm pass out of the body through a single tube that runs to the penis.

Output: out


Input:
Sentence1: Sperm pass out of the body through the urethra.
Sentence2: Sperm pass out of the body through a single tube that runs to the penis.

Output: pass


Input:
Sentence1: Sperm pass out of the body through the urethra.
Sentence2: Sperm pass out of the body through a single tube that runs to the penis.

Output: through


Input:
Sentence1: Mutations may change the structure of a chromosome or just change a single nucleotide.
Sentence2: DNA is made up of nucleotides.

Output: nucleotide


Input:
Sentence1: Carbon monoxide is a gas produced by furnaces and other devices that burn fuel.
Sentence2: Carbon Monoxide Carbon monoxide is a health hazard.

Output: Carbon


Input:
Sentence1: Carbon monoxide is a gas produced by furnaces and other devices that burn fuel.
Sentence2: Carbon Monoxide Carbon monoxide is a health hazard.

Output: monoxide


Input:
Sentence1: Animals with backbones are called vertebrates.
Sentence2: hagfish have a backbone.

Output: backbones


Input:
Sentence1: Cell division is by mitosis .
Sentence2: mitosis occurs a set number of times.

Output: mitosis


Input:
Sentence1: Chromoplasts make and store pigments.
Sentence2: chromoplasts give color to paint.

Output: Chromoplasts


Input:
Sentence1: natural disasters can cause animals to leave an environment.
Sentence2: Of all nature's disasters, forest fires are often considered the most frightening.

Output: disasters


Input:
Sentence1: natural disasters can cause animals to leave an environment.
Sentence2: Of all nature's disasters, forest fires are often considered the most frightening.

Output: natural


Input:
Sentence1: Temperature falls from the equator to the poles.
Sentence2: First, strong winds circling Antarctica isolate the atmosphere near the pole the winter.

Output: poles


Input:
Sentence1: DNA condenses to form chromosomes.
Sentence2: Genectic material is compressed to form chromosomes.

Output: form


Input:
Sentence1: DNA condenses to form chromosomes.
Sentence2: Genectic material is compressed to form chromosomes.

Output: to


Input:
Sentence1: Scrap wood can be used for cheap wooden bins.
Sentence2: Sandpaper is used to smooth objects made of wood.

Output: wood


Input:
Sentence1: the volume of an object can be used to describe the size of that object.
Sentence2: Volume is the amount of space an object contains.

Output: volume


Input:
Sentence1: Size is a relative aggregate measure of volume and mass.
Sentence2: The volume of an object can be used to measure the mass of the object.

Output: mass


Input:
Sentence1: Size is a relative aggregate measure of volume and mass.
Sentence2: The volume of an object can be used to measure the mass of the object.

Output: measure


Input:
Sentence1: if a habitat can no longer support animals then those animals will move to another area.
Sentence2: agriculture can result in animals moving to another area from their home area.

Output: animals


Input:
Sentence1: if a habitat can no longer support animals then those animals will move to another area.
Sentence2: agriculture can result in animals moving to another area from their home area.

Output: another


Input:
Sentence1: if a habitat can no longer support animals then those animals will move to another area.
Sentence2: agriculture can result in animals moving to another area from their home area.

Output: area


Input:
Sentence1: if a habitat can no longer support animals then those animals will move to another area.
Sentence2: agriculture can result in animals moving to another area from their home area.

Output: move


Input:
Sentence1: soil is formed by rocks eroding.
Sentence2: soil is formed by rivers.

Output: soil


Input:
Sentence1: Meter stick is 100 cm.
Sentence2: A 100 cm stick is used to measure distance.

Output: 100


Input:
Sentence1: Meter stick is 100 cm.
Sentence2: A 100 cm stick is used to measure distance.

Output: cm


Input:
Sentence1: Meter stick is 100 cm.
Sentence2: A 100 cm stick is used to measure distance.

Output: stick


Input:
Sentence1: Carbon may be stored in sedimentary rock for millions of years.
Sentence2: Limestone is a type of sedimentary rock.

Output: rock


Input:
Sentence1: Carbon may be stored in sedimentary rock for millions of years.
Sentence2: Limestone is a type of sedimentary rock.

Output: sedimentary


Input:
Sentence1: Ice is a solid, it's cold and it's hard.
Sentence2: Melting occurs when ice is heated above its melting point.

Output: Ice


Input:
Sentence1: Ethologists usually study how animals behave in their natural environment.
Sentence2: Ethology is the study of behavior.

Output: behave


Input:
Sentence1: Black Holes Black holes are the inevitable conclusion of Einstein's General Theory of Relativity.
Sentence2: When a high-mass star collapses, it fulfills the inevitable conclusion Einstein's General Theory of relativity.

Output: Einstein's


Input:
Sentence1: Black Holes Black holes are the inevitable conclusion of Einstein's General Theory of Relativity.
Sentence2: When a high-mass star collapses, it fulfills the inevitable conclusion Einstein's General Theory of relativity.

Output: General


Input:
Sentence1: Black Holes Black holes are the inevitable conclusion of Einstein's General Theory of Relativity.
Sentence2: When a high-mass star collapses, it fulfills the inevitable conclusion Einstein's General Theory of relativity.

Output: Relativity


Input:
Sentence1: Black Holes Black holes are the inevitable conclusion of Einstein's General Theory of Relativity.
Sentence2: When a high-mass star collapses, it fulfills the inevitable conclusion Einstein's General Theory of relativity.

Output: Theory


Input:
Sentence1: Black Holes Black holes are the inevitable conclusion of Einstein's General Theory of Relativity.
Sentence2: When a high-mass star collapses, it fulfills the inevitable conclusion Einstein's General Theory of relativity.

Output: conclusion


Input:
Sentence1: Black Holes Black holes are the inevitable conclusion of Einstein's General Theory of Relativity.
Sentence2: When a high-mass star collapses, it fulfills the inevitable conclusion Einstein's General Theory of relativity.

Output: inevitable


Input:
Sentence1: water causes refraction of light.
Sentence2: water can change the speed of light.

Output: water


Input:
Sentence1: if a thermal conductor is exposed to a source of heat then that conductor may become hot.
Sentence2: a metal may become hot if exposed to heat.

Output: heat


Input:
Sentence1: Bees are the main pollinator.
Sentence2: petals attract bees to the flower.

Output: Bees


Input:
Sentence1: Tulips perform best in a sandy, organically enriched soil.
Sentence2: Earthworms are important deposit feeders that help form and add organic material to soil.

Output: organically


Input:
Sentence1: Most invertebrates have a more complex nervous system.
Sentence2: most animals without a backbone have a complex nervous system.

Output: complex


Input:
Sentence1: Most invertebrates have a more complex nervous system.
Sentence2: most animals without a backbone have a complex nervous system.

Output: nervous


Input:
Sentence1: Most invertebrates have a more complex nervous system.
Sentence2: most animals without a backbone have a complex nervous system.

Output: system


Input:
Sentence1: high pressure systems cause clear weather.
Sentence2: During windy weather, the pollution is dispersed and cleared away.

Output: clear


Input:
Sentence1: high pressure systems cause clear weather.
Sentence2: During windy weather, the pollution is dispersed and cleared away.

Output: weather


Input:
Sentence1: Food poisoning occurs when spoiled food is eaten.
Sentence2: Microorganisms cause food poisoning.

Output: Food


Input:
Sentence1: Food poisoning occurs when spoiled food is eaten.
Sentence2: Microorganisms cause food poisoning.

Output: poisoning


Input:
Sentence1: Fish have a circulatory system with a two-chambered heart.
Sentence2: Fish have a circulatory system with a heart that is divided.

Output: Fish


Input:
Sentence1: Fish have a circulatory system with a two-chambered heart.
Sentence2: Fish have a circulatory system with a heart that is divided.

Output: circulatory


Input:
Sentence1: Fish have a circulatory system with a two-chambered heart.
Sentence2: Fish have a circulatory system with a heart that is divided.

Output: have


Input:
Sentence1: Fish have a circulatory system with a two-chambered heart.
Sentence2: Fish have a circulatory system with a heart that is divided.

Output: system


Input:
Sentence1: a plant requires nutrients to grow.
Sentence2: Plants require potash to grow.

Output: plant


Input:
Sentence1: a plant requires nutrients to grow.
Sentence2: Plants require potash to grow.

Output: requires


Input:
Sentence1: Scientists still know relatively little about Archaea.
Sentence2: Acetate kinase is found in microbes of the bacteria and archaea domains.

Output: Archaea


Input:
Sentence1: Cells secrete acids and bases to maintain the proper pH for enzymes to work.
Sentence2: An enzyme is a biological catalyst .

Output: enzymes


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

Output: seeing


Input:
Sentence1: wiring requires an electrical conductor.
Sentence2: wiring requires metal or aluminum for electricity.

Output: requires


Input:
Sentence1: wiring requires an electrical conductor.
Sentence2: wiring requires metal or aluminum for electricity.

Output: wiring


Input:
Sentence1: Bivalves feed on plankton and nonliving organic matter.
Sentence2: Clams and oysters are examples of bivalves.

Output: Bivalves


Input:
Sentence1: Minerals are chemical elements that are essential for body processes.
Sentence2: Pregnancy is a normal body process.

Output: body


Input:
Sentence1: Minerals are chemical elements that are essential for body processes.
Sentence2: Pregnancy is a normal body process.

Output: processes


Input:
Sentence1: travelling requires navigation.
Sentence2: Sailors of old used to navigate by the stars.

Output: navigation


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: clownfish seek shelter in coral.

Output: Coral


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: clownfish seek shelter in coral.

Output: shelter


Input:
Sentence1: Veins push blood toward the heart.
Sentence2: deoxygenated blood is carried toward the heart.

Output: heart


Input:
Sentence1: Veins push blood toward the heart.
Sentence2: deoxygenated blood is carried toward the heart.

Output: toward


Input:
Sentence1: Nitrogen gas is the most abundant gas in the atmosphere.
Sentence2: if nitrogen is heated it will expand.

Output: Nitrogen


Input:
Sentence1: Ground tissue makes up most of the interior of a plant.
Sentence2: Then the fungus penetrates the plant tissue.

Output: tissue


Input:
Sentence1: Skin color is determined by the melanin pigment in the skin cells.
Sentence2: Melanin pigment is determined by a polygenic trait.

Output: melanin


Input:
Sentence1: Skin color is determined by the melanin pigment in the skin cells.
Sentence2: Melanin pigment is determined by a polygenic trait.

Output: pigment


Input:
Sentence1: Fish are the first known true chordates.
Sentence2: Fish are the first known animal with a backbone.

Output: Fish


Input:
Sentence1: Fish are the first known true chordates.
Sentence2: Fish are the first known animal with a backbone.

Output: first


Input:
Sentence1: Fish are the first known true chordates.
Sentence2: Fish are the first known animal with a backbone.

Output: known


Input:
Sentence1: if humans disturb animals in a location then those animals will move to a different location.
Sentence2: Prey will hide underground when disturbed.

Output: disturb


Input:
Sentence1: Most of the yard lamps are incandescent.
Sentence2: most yard lamps convert electricity to light using a filament.

Output: Most


Input:
Sentence1: Most of the yard lamps are incandescent.
Sentence2: most yard lamps convert electricity to light using a filament.

Output: lamps


Input:
Sentence1: Most of the yard lamps are incandescent.
Sentence2: most yard lamps convert electricity to light using a filament.

Output: yard


Input:
Sentence1: Soil Biodiversity Soil biodiversity reflects the mix of living organisms in the soil.
Sentence2: the mix of living organisms generally increases from the poles to the equator.

Output: living


Input:
Sentence1: Soil Biodiversity Soil biodiversity reflects the mix of living organisms in the soil.
Sentence2: the mix of living organisms generally increases from the poles to the equator.

Output: mix


Input:
Sentence1: Soil Biodiversity Soil biodiversity reflects the mix of living organisms in the soil.
Sentence2: the mix of living organisms generally increases from the poles to the equator.

Output: organisms


Input:
Sentence1: Zooplankton are tiny animals that feed on phytoplankton.
Sentence2: zooplankton are microscopic.

Output: Zooplankton


Input:
Sentence1: water vapor cooling causes that water vapor to condense.
Sentence2: All lenses are anti-fog coated to eliminate condensation.

Output: condense


Input:
Sentence1: competition may cause animals to fight towards members of their own species.
Sentence2: Competition Animals compete for food and shelter.

Output: competition


Input:
Sentence1: Chloroplasts are organelles that are found in the cells of plants and algae.
Sentence2: the site of photosynthesis are organelles that are found in the cells of plants and algae.

Output: algae


Input:
Sentence1: Chloroplasts are organelles that are found in the cells of plants and algae.
Sentence2: the site of photosynthesis are organelles that are found in the cells of plants and algae.

Output: cells


Input:
Sentence1: Chloroplasts are organelles that are found in the cells of plants and algae.
Sentence2: the site of photosynthesis are organelles that are found in the cells of plants and algae.

Output: found


Input:
Sentence1: Chloroplasts are organelles that are found in the cells of plants and algae.
Sentence2: the site of photosynthesis are organelles that are found in the cells of plants and algae.

Output: organelles


Input:
Sentence1: Chloroplasts are organelles that are found in the cells of plants and algae.
Sentence2: the site of photosynthesis are organelles that are found in the cells of plants and algae.

Output: plants


Input:
Sentence1: Metals conduct heat well.
Sentence2: metals are good conductors.

Output: Metals


Input:
Sentence1: Average vehicle speed rises by only 0.3 miles per hour.
Sentence2: a speedometer measures miles per hour.

Output: hour


Input:
Sentence1: Average vehicle speed rises by only 0.3 miles per hour.
Sentence2: a speedometer measures miles per hour.

Output: miles


Input:
Sentence1: Average vehicle speed rises by only 0.3 miles per hour.
Sentence2: a speedometer measures miles per hour.

Output: per


Input:
Sentence1: Smog contains particulates.
Sentence2: Particulate matter varies in size.

Output: particulates


Input:
Sentence1: Ice ages buried the planet in snow and ice for millions of years at a time.
Sentence2: something rare in geologic history buried the planet in snow for millions of years.

Output: millions


Input:
Sentence1: Ice ages buried the planet in snow and ice for millions of years at a time.
Sentence2: something rare in geologic history buried the planet in snow for millions of years.

Output: snow


Input:
Sentence1: Ice ages buried the planet in snow and ice for millions of years at a time.
Sentence2: something rare in geologic history buried the planet in snow for millions of years.

Output: years


Input:
Sentence1: Frogs also have a larynx, or voice box, to make sounds.
Sentence2: Frogs have a larynx for different noises.

Output: Frogs


Input:
Sentence1: Frogs also have a larynx, or voice box, to make sounds.
Sentence2: Frogs have a larynx for different noises.

Output: have


Input:
Sentence1: Frogs also have a larynx, or voice box, to make sounds.
Sentence2: Frogs have a larynx for different noises.

Output: larynx


Input:
Sentence1: a stove is used for cooking by generating heat.
Sentence2: Wood stoves for cooking and heating.

Output: stove


Input:
Sentence1: Adult sponges are sessile.
Sentence2: Adult sponges attach to a substrate.

Output: Adult


Input:
Sentence1: Adult sponges are sessile.
Sentence2: Adult sponges attach to a substrate.

Output: sponges


Input:
Sentence1: Annelids have the amazing capacity to regrow segments that break off.
Sentence2: Leeches have the amazing capacity to regrow segments that break off.

Output: amazing


Input:
Sentence1: Annelids have the amazing capacity to regrow segments that break off.
Sentence2: Leeches have the amazing capacity to regrow segments that break off.

Output: break


Input:
Sentence1: Annelids have the amazing capacity to regrow segments that break off.
Sentence2: Leeches have the amazing capacity to regrow segments that break off.

Output: capacity


Input:
Sentence1: Annelids have the amazing capacity to regrow segments that break off.
Sentence2: Leeches have the amazing capacity to regrow segments that break off.

Output: have


Input:
Sentence1: Annelids have the amazing capacity to regrow segments that break off.
Sentence2: Leeches have the amazing capacity to regrow segments that break off.

Output: off


Input:
Sentence1: Annelids have the amazing capacity to regrow segments that break off.
Sentence2: Leeches have the amazing capacity to regrow segments that break off.

Output: regrow


Input:
Sentence1: Annelids have the amazing capacity to regrow segments that break off.
Sentence2: Leeches have the amazing capacity to regrow segments that break off.

Output: segments


Input:
Sentence1: Annelids have the amazing capacity to regrow segments that break off.
Sentence2: Leeches have the amazing capacity to regrow segments that break off.

Output: that


Input:
Sentence1: Annelids have the amazing capacity to regrow segments that break off.
Sentence2: Leeches have the amazing capacity to regrow segments that break off.

Output: the


Input:
Sentence1: Annelids have the amazing capacity to regrow segments that break off.
Sentence2: Leeches have the amazing capacity to regrow segments that break off.

Output: to


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

Output: 12


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

Output: Apollo


Input:
Sentence1: Cynodonts are the therapsids from which mammals evolved.
Sentence2: some therapsids became more mammal-like as they continued to evolve.

Output: therapsids


Input:
Sentence1: Millions of people fly safely in airplanes every year.
Sentence2: Airplanes transport millions of humans move across bodies of water every year.

Output: Millions


Input:
Sentence1: Millions of people fly safely in airplanes every year.
Sentence2: Airplanes transport millions of humans move across bodies of water every year.

Output: airplanes


Input:
Sentence1: Steroid hormones are made of lipids, such as phospholipids and cholesterol.
Sentence2: Steroid hormones are made of diverse hydrophobic molecules, such as phospholipids and cholesterol.

Output: Steroid


Input:
Sentence1: Steroid hormones are made of lipids, such as phospholipids and cholesterol.
Sentence2: Steroid hormones are made of diverse hydrophobic molecules, such as phospholipids and cholesterol.

Output: and


Input:
Sentence1: Steroid hormones are made of lipids, such as phospholipids and cholesterol.
Sentence2: Steroid hormones are made of diverse hydrophobic molecules, such as phospholipids and cholesterol.

Output: are


Input:
Sentence1: Steroid hormones are made of lipids, such as phospholipids and cholesterol.
Sentence2: Steroid hormones are made of diverse hydrophobic molecules, such as phospholipids and cholesterol.

Output: as


Input:
Sentence1: Steroid hormones are made of lipids, such as phospholipids and cholesterol.
Sentence2: Steroid hormones are made of diverse hydrophobic molecules, such as phospholipids and cholesterol.

Output: cholesterol


Input:
Sentence1: Steroid hormones are made of lipids, such as phospholipids and cholesterol.
Sentence2: Steroid hormones are made of diverse hydrophobic molecules, such as phospholipids and cholesterol.

Output: hormones


Input:
Sentence1: Steroid hormones are made of lipids, such as phospholipids and cholesterol.
Sentence2: Steroid hormones are made of diverse hydrophobic molecules, such as phospholipids and cholesterol.

Output: made


Input:
Sentence1: Steroid hormones are made of lipids, such as phospholipids and cholesterol.
Sentence2: Steroid hormones are made of diverse hydrophobic molecules, such as phospholipids and cholesterol.

Output: of


Input:
Sentence1: Steroid hormones are made of lipids, such as phospholipids and cholesterol.
Sentence2: Steroid hormones are made of diverse hydrophobic molecules, such as phospholipids and cholesterol.

Output: phospholipids


Input:
Sentence1: Steroid hormones are made of lipids, such as phospholipids and cholesterol.
Sentence2: Steroid hormones are made of diverse hydrophobic molecules, such as phospholipids and cholesterol.

Output: such


Input:
Sentence1: Specialization decreases mortality 12,13 and increases survival.
Sentence2: evolving different adaptations increases survival.

Output: increases


Input:
Sentence1: Specialization decreases mortality 12,13 and increases survival.
Sentence2: evolving different adaptations increases survival.

Output: survival


Input:
Sentence1: Endocrine hormones travel throughout the body in the blood.
Sentence2: For the tourists, there are many places to travel.

Output: travel


Input:
Sentence1: a wildfire changes an ecosystem drastically.
Sentence2: Very large ecosystems are known as biomes .

Output: ecosystem


Input:
Sentence1: if a habitat can no longer support animals then those animals will move to another area.
Sentence2: koala's will move to another area if impacted by fire.

Output: another


Input:
Sentence1: if a habitat can no longer support animals then those animals will move to another area.
Sentence2: koala's will move to another area if impacted by fire.

Output: area


Input:
Sentence1: if a habitat can no longer support animals then those animals will move to another area.
Sentence2: koala's will move to another area if impacted by fire.

Output: move


Input:
Sentence1: Balance is the ability to sense and maintain body position.
Sentence2: Balance is critical.

Output: Balance


Input:
Sentence1: Slime molds are fungus-like protists commonly found on rotting logs and compost.
Sentence2: The nonparasitic protists live on decaying trees and are fungus-like.

Output: fungus-like


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

Output: develop


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

Output: tumor


Input:
Sentence1: Corn sugar is primarily glucose.
Sentence2: Glucose causes food to taste sweet.

Output: glucose


Input:
Sentence1: Climates with freeze and thaw promote mechanical weathering.
Sentence2: freezing and thawing can break down rocks from larger whole into smaller pieces.

Output: freeze


Input:
Sentence1: Climates with freeze and thaw promote mechanical weathering.
Sentence2: freezing and thawing can break down rocks from larger whole into smaller pieces.

Output: thaw


Input:
Sentence1: Jaws make cartilaginous fish excellent predators.
Sentence2: Powerful jaws and razor-sharp teeth make it the most formidable predator of the deep.

Output: Jaws


Input:
Sentence1: Fission takes place when an animal divides into two parts.
Sentence2: Asexual reproduction is by fragmentation, budding, or fission.

Output: Fission


Input:
Sentence1: smoking causes direct damage to the lungs.
Sentence2: Tar causes damage to the lungs.

Output: damage


Input:
Sentence1: smoking causes direct damage to the lungs.
Sentence2: Tar causes damage to the lungs.

Output: lungs


Input:
Sentence1: recycling reduces the resources needed to make something.
Sentence2: Literarily, to create something, to make something new.

Output: make


Input:
Sentence1: recycling reduces the resources needed to make something.
Sentence2: Literarily, to create something, to make something new.

Output: something


Input:
Sentence1: Copulation starts early in the mating season and usually stops when nesting begins.
Sentence2: Copulation is generally preceded by courtship.

Output: Copulation


Input:
Sentence1: Echinoderms lack respiratory and excretory systems.
Sentence2: Another group of echinoderms are the echinoids.

Output: Echinoderms


Input:
Sentence1: if an animal sweats then that animal 's bodily water decreases.
Sentence2: Lions are very scary animals.

Output: animal


Input:
Sentence1: Airplanes Air travel is the quickest way to travel and is probably best for long distances.
Sentence2: Air travel is used for moving people across bodies of water.

Output: Air


Input:
Sentence1: Airplanes Air travel is the quickest way to travel and is probably best for long distances.
Sentence2: Air travel is used for moving people across bodies of water.

Output: travel


Input:
Sentence1: Populations of viruses do not grow through cell division because they are not cells.
Sentence2: Cancer is not caused by viruses.

Output: not


Input:
Sentence1: Populations of viruses do not grow through cell division because they are not cells.
Sentence2: Cancer is not caused by viruses.

Output: viruses


Input:
Sentence1: Vehicles reduce speed at road bends.
Sentence2: a speedometer can help a driver navigate road bends.

Output: bends


Input:
Sentence1: Vehicles reduce speed at road bends.
Sentence2: a speedometer can help a driver navigate road bends.

Output: road


Input:
Sentence1: Complex chemistry is needed to carry out all the functions of life.
Sentence2: Complex chemistry is needed to promote quality of life.

Output: Complex


Input:
Sentence1: Complex chemistry is needed to carry out all the functions of life.
Sentence2: Complex chemistry is needed to promote quality of life.

Output: chemistry


Input:
Sentence1: Complex chemistry is needed to carry out all the functions of life.
Sentence2: Complex chemistry is needed to promote quality of life.

Output: needed


Input:
Sentence1: Plants detect and respond to the daily cycle of light and darkness.
Sentence2: All daily cycles of the celestial objects are caused by the rotation of the Earth.

Output: cycle


Input:
Sentence1: Plants detect and respond to the daily cycle of light and darkness.
Sentence2: All daily cycles of the celestial objects are caused by the rotation of the Earth.

Output: daily


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: Reef-building corals are hermatypic.

Output: Coral


Input:
Sentence1: Coral reefs provide food and shelter to many ocean organisms.
Sentence2: Reef-building corals are hermatypic.

Output: reefs


Input:
Sentence1: Birds evolved from a group of bipedal dinosaurs called theropods.
Sentence2: Feathers are highly probable in the evolution of a group of bipedal dinosaurs.

Output: bipedal


Input:
Sentence1: Birds evolved from a group of bipedal dinosaurs called theropods.
Sentence2: Feathers are highly probable in the evolution of a group of bipedal dinosaurs.

Output: dinosaurs


Input:
Sentence1: Birds evolved from a group of bipedal dinosaurs called theropods.
Sentence2: Feathers are highly probable in the evolution of a group of bipedal dinosaurs.

Output: evolved


Input:
Sentence1: Birds evolved from a group of bipedal dinosaurs called theropods.
Sentence2: Feathers are highly probable in the evolution of a group of bipedal dinosaurs.

Output: group


Input:
Sentence1: People of all ages and activity levels perspire or sweat.
Sentence2: Perspiration reduces body heat.

Output: perspire


Input:
Sentence1: Protozoa make humans sick when they become human parasites.
Sentence2: Exhibit One-celled animals are called protozoa .

Output: Protozoa


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: organs protect the body from harmful substances.

Output: body


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: organs protect the body from harmful substances.

Output: from


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: organs protect the body from harmful substances.

Output: harmful


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: organs protect the body from harmful substances.

Output: protecting


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: organs protect the body from harmful substances.

Output: substances


Input:
Sentence1: heating a liquid can be used to identify that liquid 's boiling point.
Sentence2: Water is also a liquid.

Output: liquid


Input:
Sentence1: Reptilia contains over 7800 entries on numerous species of reptiles.
Sentence2: Most animals in the class reptilia have good eyesight and a keen sense of smell.

Output: Reptilia


Input:
Sentence1: Flowers produce spores that develop into gametophytes.
Sentence2: Gametophytes are photosynthetic and often heart-shaped.

Output: gametophytes


Input:
Sentence1: Polluted rain is called acid rain .
Sentence2: sulfur dioxide causes pollution.

Output: Polluted


Input:
Sentence1: Sound Sound waves are mechanical waves.
Sentence2: matter vibrating can cause mechanical waves.

Output: mechanical


Input:
Sentence1: Sound Sound waves are mechanical waves.
Sentence2: matter vibrating can cause mechanical waves.

Output: waves


Input:
Sentence1: Chloroplasts are organelles that are found in the cells of plants and algae.
Sentence2: Chloroplasts are organelles that are found in the cells of mosses.

Output: Chloroplasts


Input:
Sentence1: Chloroplasts are organelles that are found in the cells of plants and algae.
Sentence2: Chloroplasts are organelles that are found in the cells of mosses.

Output: cells


Input:
Sentence1: Chloroplasts are organelles that are found in the cells of plants and algae.
Sentence2: Chloroplasts are organelles that are found in the cells of mosses.

Output: found


Input:
Sentence1: Chloroplasts are organelles that are found in the cells of plants and algae.
Sentence2: Chloroplasts are organelles that are found in the cells of mosses.

Output: in


Input:
Sentence1: Chloroplasts are organelles that are found in the cells of plants and algae.
Sentence2: Chloroplasts are organelles that are found in the cells of mosses.

Output: organelles


Input:
Sentence1: satellite technology is used for predicting the weather.
Sentence2: Rain or Shine, there is always weather.

Output: weather


Input:
Sentence1: Too little rain causes a drought.
Sentence2: Too little rain can change the color of an environment from green to brown.

Output: Too


Input:
Sentence1: Too little rain causes a drought.
Sentence2: Too little rain can change the color of an environment from green to brown.

Output: little


Input:
Sentence1: Too little rain causes a drought.
Sentence2: Too little rain can change the color of an environment from green to brown.

Output: rain


Input:
Sentence1: And a certain amount of light and air are required for ventilation.
Sentence2: respiration requires a certain amount of air.

Output: air


Input:
Sentence1: freezing means changing from a liquid into a solid by reducing heat energy.
Sentence2: Ice is made from reducing heat energy.

Output: energy


Input:
Sentence1: freezing means changing from a liquid into a solid by reducing heat energy.
Sentence2: Ice is made from reducing heat energy.

Output: heat


Input:
Sentence1: Any antigen that causes an allergy is called an allergen.
Sentence2: Allergens can trigger asthma attacks.

Output: allergen


Input:
Sentence1: Rain is liquid precipitation.
Sentence2: rain increases moisture.

Output: Rain


Input:
Sentence1: Liquid ounces are a measure of volume, and dry pounds are a measure of mass.
Sentence2: a graduated cylinder is used to measure liquid ounces.

Output: Liquid


Input:
Sentence1: Liquid ounces are a measure of volume, and dry pounds are a measure of mass.
Sentence2: a graduated cylinder is used to measure liquid ounces.

Output: ounces


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: mammals with wombs give birth to relatively large and mature infants.

Output: birth


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: mammals with wombs give birth to relatively large and mature infants.

Output: give


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: mammals with wombs give birth to relatively large and mature infants.

Output: infants


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: mammals with wombs give birth to relatively large and mature infants.

Output: large


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: mammals with wombs give birth to relatively large and mature infants.

Output: mature


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: mammals with wombs give birth to relatively large and mature infants.

Output: relatively


Input:
Sentence1: friction causes an object to lose energy.
Sentence2: Friction occurs when surfaces rub together.

Output: friction


Input:
Sentence1: freezing causes a solid to form.
Sentence2: liquid turns to solid.

Output: solid


Input:
Sentence1: Images are made of light and the cinematographer uses light and shadows to create the image.
Sentence2: a camera records light.

Output: light


Input:
Sentence1: building housing developments usually requires replacing animal habitats.
Sentence2: Housing developments skyrocketed around the facilities.

Output: developments


Input:
Sentence1: building housing developments usually requires replacing animal habitats.
Sentence2: Housing developments skyrocketed around the facilities.

Output: housing


Input:
Sentence1: Pollination Bee pollination is essential for a bountiful cranberry harvest.
Sentence2: Bees are an essential requirement for cranberry production.

Output: Bee


Input:
Sentence1: Pollination Bee pollination is essential for a bountiful cranberry harvest.
Sentence2: Bees are an essential requirement for cranberry production.

Output: cranberry


Input:
Sentence1: Pollination Bee pollination is essential for a bountiful cranberry harvest.
Sentence2: Bees are an essential requirement for cranberry production.

Output: essential


Input:
Sentence1: Plants are the major producers in terrestrial biomes.
Sentence2: Green plants are food producers.

Output: producers


Input:
Sentence1: tectonic plates being pushed together causes earthquakes.
Sentence2: For example, an earthquake hits San Francisco.

Output: earthquakes


Input:
Sentence1: Lung cancer is the Godzilla of cancers.
Sentence2: the godzilla of cancers is most often caused by exposure to tobacco smoke.

Output: Godzilla


Input:
Sentence1: Antibiotics and vaccines are being stockpiled as Britain gears up to meet the bioterrorism threat.
Sentence2: Antibiotics and vaccines are being stockpiled against another potential threat in the environment.

Output: Antibiotics


Input:
Sentence1: Antibiotics and vaccines are being stockpiled as Britain gears up to meet the bioterrorism threat.
Sentence2: Antibiotics and vaccines are being stockpiled against another potential threat in the environment.

Output: being


Input:
Sentence1: Antibiotics and vaccines are being stockpiled as Britain gears up to meet the bioterrorism threat.
Sentence2: Antibiotics and vaccines are being stockpiled against another potential threat in the environment.

Output: stockpiled


Input:
Sentence1: Antibiotics and vaccines are being stockpiled as Britain gears up to meet the bioterrorism threat.
Sentence2: Antibiotics and vaccines are being stockpiled against another potential threat in the environment.

Output: vaccines


Input:
Sentence1: Nematodes are microscopic, true roundworms.
Sentence2: nematodes can be parasitic.

Output: Nematodes


Input:
Sentence1: threatening behavior by predators causes a porcupine to extend its quills.
Sentence2: Fishers are one of the few specialized predators on porcupines.

Output: predators


Input:
Sentence1: if an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity.
Sentence2: ice will not sink in water.

Output: sink


Input:
Sentence1: moss causes chemical weathering.
Sentence2: Bryophytes include the mosses and liverworts.

Output: moss


Input:
Sentence1: Temperature falls from lower to higher altitudes.
Sentence2: Temperature values are in degrees celsius.

Output: Temperature


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

Output: learning


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

Output: synchronous


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

Output: technology


Input:
Sentence1: Insect repellents are used against flea bites.
Sentence2: Repellents can stop harm caused by flea bites.

Output: bites


Input:
Sentence1: Insect repellents are used against flea bites.
Sentence2: Repellents can stop harm caused by flea bites.

Output: repellents


Input:
Sentence1: if weather is stormy then there is a greater chance of rain.
Sentence2: Rain is good, but lots of rain causes destructive flooding.

Output: rain


Input:
Sentence1: eyes are used for seeing by animals by sensing light.
Sentence2: Animals sense their surroundings differently than humans.

Output: sensing


Input:
Sentence1: Roots have primary and secondary meristems for growth in length and width.
Sentence2: roots have different meristems.

Output: Roots


Input:
Sentence1: Eggs, butter or margarine keep in the cooler as they do in the refrigerator.
Sentence2: fat that is a solid at room temperature can be kept in the cooler.

Output: cooler


Input:
Sentence1: Eggs, butter or margarine keep in the cooler as they do in the refrigerator.
Sentence2: fat that is a solid at room temperature can be kept in the cooler.

Output: keep


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

Output: Sun


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

Output: energy


Input:
Sentence1: Endocrine hormones travel throughout the body in the blood.
Sentence2: Endocrine glands secrete directly into the blood.

Output: Endocrine


Input:
Sentence1: Endocrine hormones travel throughout the body in the blood.
Sentence2: Endocrine glands secrete directly into the blood.

Output: blood


Input:
Sentence1: And leukemia and lymphoma are forms of cancer.
Sentence2: Leukemia is a disease that occurs when the cell cycle is no longer regulated.

Output: leukemia


Input:
Sentence1: Any population has the potential to produce more offspring than the environment can support.
Sentence2: Having no natural predators increases potential to produce more offspring than the environment can support.

Output: can


Input:
Sentence1: Any population has the potential to produce more offspring than the environment can support.
Sentence2: Having no natural predators increases potential to produce more offspring than the environment can support.

Output: environment


Input:
Sentence1: Any population has the potential to produce more offspring than the environment can support.
Sentence2: Having no natural predators increases potential to produce more offspring than the environment can support.

Output: more


Input:
Sentence1: Any population has the potential to produce more offspring than the environment can support.
Sentence2: Having no natural predators increases potential to produce more offspring than the environment can support.

Output: offspring


Input:
Sentence1: Any population has the potential to produce more offspring than the environment can support.
Sentence2: Having no natural predators increases potential to produce more offspring than the environment can support.

Output: potential


Input:
Sentence1: Any population has the potential to produce more offspring than the environment can support.
Sentence2: Having no natural predators increases potential to produce more offspring than the environment can support.

Output: produce


Input:
Sentence1: Any population has the potential to produce more offspring than the environment can support.
Sentence2: Having no natural predators increases potential to produce more offspring than the environment can support.

Output: support


Input:
Sentence1: Any population has the potential to produce more offspring than the environment can support.
Sentence2: Having no natural predators increases potential to produce more offspring than the environment can support.

Output: than


Input:
Sentence1: plant requires seed dispersal for reproduction.
Sentence2: Flowers produce seeds for reproduction.

Output: reproduction


Input:
Sentence1: being exposed to wind can cause erosion of soil.
Sentence2: Water erosion has similar consequences as wind erosion.

Output: erosion


Input:
Sentence1: being exposed to wind can cause erosion of soil.
Sentence2: Water erosion has similar consequences as wind erosion.

Output: wind


Input:
Sentence1: Another common snail is the decollate snail.
Sentence2: Decollate snails are mollusks.

Output: decollate


Input:
Sentence1: Another common snail is the decollate snail.
Sentence2: Decollate snails are mollusks.

Output: snail


Input:
Sentence1: Population density is the average number of individuals per unit of area or volume.
Sentence2: If the number of individuals of a species increases too quickly too much in a fixed area, the species can become extinct.

Output: individuals


Input:
Sentence1: Humans, of course, are an example of a multicellular eukaryote.
Sentence2: Humans are, of course, in the animal kingdom.

Output: Humans


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

Output: webbed


Input:
Sentence1: Nitrogen is found in proteins, nucleic acids, and chlorophyll.
Sentence2: Lawns eat nitrogen.

Output: Nitrogen


Input:
Sentence1: when a cooler object touches a warmer object , thermal conduction occurs.
Sentence2: glaciers melt via thermal conduction.

Output: conduction


Input:
Sentence1: when a cooler object touches a warmer object , thermal conduction occurs.
Sentence2: glaciers melt via thermal conduction.

Output: thermal


Input:
Sentence1: being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time.
Sentence2: Marble is used for sculptures, and coal is used for fuel and energy like light.

Output: coal


Input:
Sentence1: electricity is used as an energy source by electrical devices.
Sentence2: an energy source used by devices moves well through wires and water.

Output: devices


Input:
Sentence1: electricity is used as an energy source by electrical devices.
Sentence2: an energy source used by devices moves well through wires and water.

Output: energy


Input:
Sentence1: electricity is used as an energy source by electrical devices.
Sentence2: an energy source used by devices moves well through wires and water.

Output: source


Input:
Sentence1: electricity is used as an energy source by electrical devices.
Sentence2: an energy source used by devices moves well through wires and water.

Output: used


Input:
Sentence1: seed dispersal has a positive impact on a plant.
Sentence2: Seed dispersed by birds and floodwaters.

Output: dispersal


Input:
Sentence1: seed dispersal has a positive impact on a plant.
Sentence2: Seed dispersed by birds and floodwaters.

Output: seed


Input:
Sentence1: Consumers take in food by eating producers or other living things.
Sentence2: Consumers can avoid poisoning by not eating.

Output: Consumers


Input:
Sentence1: An abalone is a shellfish or mollusk.
Sentence2: shellfish have a circulatory system with one or two hearts that pump blood.

Output: shellfish


Input:
Sentence1: travelling requires navigation.
Sentence2: Travelling requires a tool such as a sextant.

Output: requires


Input:
Sentence1: travelling requires navigation.
Sentence2: Travelling requires a tool such as a sextant.

Output: travelling


Input:
Sentence1: heating a liquid can be used to identify that liquid 's boiling point.
Sentence2: Pressure can increase or decrease the boiling point.

Output: boiling


Input:
Sentence1: heating a liquid can be used to identify that liquid 's boiling point.
Sentence2: Pressure can increase or decrease the boiling point.

Output: point


Input:
Sentence1: Major route of excretion is in the feces.
Sentence2: Feces are a major route of removing wastes and excess water from the body.

Output: Major


Input:
Sentence1: Major route of excretion is in the feces.
Sentence2: Feces are a major route of removing wastes and excess water from the body.

Output: feces


Input:
Sentence1: Major route of excretion is in the feces.
Sentence2: Feces are a major route of removing wastes and excess water from the body.

Output: route


Input:
Sentence1: Freshwater biomes have water that contains little or no salt.
Sentence2: Salinity is the measure of salts in the water.

Output: salt


Input:
Sentence1: Freshwater biomes have water that contains little or no salt.
Sentence2: Salinity is the measure of salts in the water.

Output: water


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

Output: larvae


Input:
Sentence1: operating an automobile usually requires fossil fuels.
Sentence2: Fossil fuel burning in automobiles, factories, and power plants also add aerosols to the atmosphere while polluting clouds (Figure 4).

Output: automobile


Input:
Sentence1: Cynodonts became more mammal-like as they continued to evolve.
Sentence2: Cynodonts evolved to become more related to the primitive warm-blooded vertebrate animal.

Output: Cynodonts


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

Output: car


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

Output: cause


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

Output: crash


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

Output: people


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

Output: their


Input:
Sentence1: gravity causes objects that have mass to be pulled down on a planet.
Sentence2: Weight is measured when objects are pulled down by gravity.

Output: down


Input:
Sentence1: gravity causes objects that have mass to be pulled down on a planet.
Sentence2: Weight is measured when objects are pulled down by gravity.

Output: pulled


Input:
Sentence1: Lymphocytes are the key cells involved in the immune response.
Sentence2: the immune response produces antibodies.

Output: immune


Input:
Sentence1: Lymphocytes are the key cells involved in the immune response.
Sentence2: the immune response produces antibodies.

Output: response


Input:
Sentence1: Cell division is more complex in eukaryotes than prokaryotes.
Sentence2: Eukaryotes have more complex mitosis than prokaryotes.

Output: complex


Input:
Sentence1: Cell division is more complex in eukaryotes than prokaryotes.
Sentence2: Eukaryotes have more complex mitosis than prokaryotes.

Output: eukaryotes


Input:
Sentence1: All cnidarians are aquatic.
Sentence2: Jellyfish and anemones are aquatic.

Output: aquatic


Input:
Sentence1: To preserve a food by salting.
Sentence2: You can save food with dehydration or salt.

Output: salting


Input:
Sentence1: travelling requires navigation.
Sentence2: travelling requires a bit a of getting used to.

Output: travelling


Input:
Sentence1: Properties are the characteristics of an object.
Sentence2: if an object is made of a material then it has the characteristics of that material.

Output: characteristics


Input:
Sentence1: Autumn brings the changing of the seasons.
Sentence2: Earth 's tilt on its rotating axis causes autumn.

Output: Autumn


Input:
Sentence1: Carbohydrates in plants are formed by photosynthesis.
Sentence2: carbohydrates are formed in plants.

Output: Carbohydrates


Input:
Sentence1: Turtles can have roundworms.
Sentence2: Turtles can be infected with nematoda.

Output: Turtles


Input:
Sentence1: Electron microscope is developed in Germany.
Sentence2: viruses are so small that they can be seen only with a device developed in germany.

Output: Germany


Input:
Sentence1: Electron microscope is developed in Germany.
Sentence2: viruses are so small that they can be seen only with a device developed in germany.

Output: developed


Input:
Sentence1: a mold spore has a negative impact on the respiratory system.
Sentence2: A mold spore has a negative impact on the lungs.

Output: impact


Input:
Sentence1: a mold spore has a negative impact on the respiratory system.
Sentence2: A mold spore has a negative impact on the lungs.

Output: mold


Input:
Sentence1: a mold spore has a negative impact on the respiratory system.
Sentence2: A mold spore has a negative impact on the lungs.

Output: negative


Input:
Sentence1: a mold spore has a negative impact on the respiratory system.
Sentence2: A mold spore has a negative impact on the lungs.

Output: spore


Input:
Sentence1: Plants use the sun's energy to transform carbon dioxide gas and water into a sugar called glucose.
Sentence2: Ethanol production is reliant on the sun's energy.

Output: energy


Input:
Sentence1: Plants use the sun's energy to transform carbon dioxide gas and water into a sugar called glucose.
Sentence2: Ethanol production is reliant on the sun's energy.

Output: sun's


Input:
Sentence1: Most chemical reactions are exothermic.
Sentence2: heating an egg causes a exothermic reaction in the egg.

Output: exothermic


Input:
Sentence1: competition may cause animals to fight towards members of their own species.
Sentence2: Humans are animals too.

Output: animals


Input:
Sentence1: Lipids may consist of fatty acids alone, or they may contain other molecules as well.
Sentence2: Carbon, oxygen, and hydrogen can be combined with fatty acids.

Output: acids


Input:
Sentence1: Lipids may consist of fatty acids alone, or they may contain other molecules as well.
Sentence2: Carbon, oxygen, and hydrogen can be combined with fatty acids.

Output: fatty


Input:
Sentence1: Meteorologists are scientists who study the weather.
Sentence2: predicting weather requires meteorologists.

Output: Meteorologists


Input:
Sentence1: Skin color is another polygenic trait.
Sentence2: Polygenic traits are controled by two or more genes.

Output: polygenic


Input:
Sentence1: Skin color is another polygenic trait.
Sentence2: Polygenic traits are controled by two or more genes.

Output: trait


Input:
Sentence1: recycling has a positive impact on the environment.
Sentence2: yard waste has a positive impact on the environment.

Output: environment


Input:
Sentence1: recycling has a positive impact on the environment.
Sentence2: yard waste has a positive impact on the environment.

Output: impact


Input:
Sentence1: recycling has a positive impact on the environment.
Sentence2: yard waste has a positive impact on the environment.

Output: positive


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

Output: loud


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

Output: noises


Input:
Sentence1: Nonmetal elements are far fewer in number.
Sentence2: Elements Elements are composed of atoms.

Output: elements


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: some snakes can go several weeks between meals.

Output: Some


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: some snakes can go several weeks between meals.

Output: between


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: some snakes can go several weeks between meals.

Output: can


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: some snakes can go several weeks between meals.

Output: go


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: some snakes can go several weeks between meals.

Output: meals


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: some snakes can go several weeks between meals.

Output: several


Input:
Sentence1: Some species of reptiles can go several weeks between meals.
Sentence2: some snakes can go several weeks between meals.

Output: weeks


Input:
Sentence1: wind is used for producing electricity.
Sentence2: wind can be used to produce heat.

Output: wind


Input:
Sentence1: An example is H2O which shows water is made of two atoms of hydrogen stuck to one atom of oxygen.
Sentence2: thirst is used to make an animal realize that it needs to replenish H2O in its body.

Output: H2O


Input:
Sentence1: the ovaries are used in reproduction.
Sentence2: Something chickens have only one that functions is used in reproduction.

Output: reproduction


Input:
Sentence1: the ovaries are used in reproduction.
Sentence2: Something chickens have only one that functions is used in reproduction.

Output: used


Input:
Sentence1: Fish, such as tuna, is a high protein food.
Sentence2: tuna have a circulatory system with a two-chambered heart.

Output: tuna


Input:
Sentence1: Energy of sunlight is more concentrated near the equator.
Sentence2: Solar panels work well near the equator.

Output: equator


Input:
Sentence1: hiding can be used for avoiding predators.
Sentence2: camouflauge can be used to avoid predators.

Output: predators


Input:
Sentence1: Plants have specialized reproductive organs.
Sentence2: Plants have flowers for reproduction.

Output: Plants


Input:
Sentence1: Plants have specialized reproductive organs.
Sentence2: Plants have flowers for reproduction.

Output: reproductive


Input:
Sentence1: a prism is used for refracting light.
Sentence2: Light seems to travel in rays or beams.

Output: light


Input:
Sentence1: astronauts require preserved food for extended flights.
Sentence2: A scientist who is a space explorer requires preserved food for extended flights.

Output: extended


Input:
Sentence1: astronauts require preserved food for extended flights.
Sentence2: A scientist who is a space explorer requires preserved food for extended flights.

Output: flights


Input:
Sentence1: astronauts require preserved food for extended flights.
Sentence2: A scientist who is a space explorer requires preserved food for extended flights.

Output: food


Input:
Sentence1: astronauts require preserved food for extended flights.
Sentence2: A scientist who is a space explorer requires preserved food for extended flights.

Output: for


Input:
Sentence1: astronauts require preserved food for extended flights.
Sentence2: A scientist who is a space explorer requires preserved food for extended flights.

Output: preserved


Input:
Sentence1: astronauts require preserved food for extended flights.
Sentence2: A scientist who is a space explorer requires preserved food for extended flights.

Output: require


Input:
Sentence1: the mass of an object causes the gravitational force exerted by that object.
Sentence2: Gravity is the force that keeps the earth in orbit about our sun.

Output: force


Input:
Sentence1: Lions live in social groups called prides.
Sentence2: Chimpanzees live in social groups called communities.

Output: groups


Input:
Sentence1: Lions live in social groups called prides.
Sentence2: Chimpanzees live in social groups called communities.

Output: social


Input:
Sentence1: when light enters the eye through the pupil , that light falls on the retina.
Sentence2: Intermediate length rays are visible as light.

Output: light


Input:
Sentence1: Insects may live in large colonies and have complex social behaviors.
Sentence2: Insects are the only arthropod to have wings.

Output: Insects


Input:
Sentence1: Words are only gross sounds heard through the ear.
Sentence2: Matter vibrating can be heard through the ear.

Output: ear


Input:
Sentence1: Words are only gross sounds heard through the ear.
Sentence2: Matter vibrating can be heard through the ear.

Output: heard


Input:
Sentence1: Words are only gross sounds heard through the ear.
Sentence2: Matter vibrating can be heard through the ear.

Output: through


Input:
Sentence1: Most arthropods are insects.
Sentence2: An insect is a small animal with six legs.

Output: insects


Input:
Sentence1: Neutrinos are produced in some nuclear reactions in stars.
Sentence2: Neutrinos cause stars to produce light.

Output: Neutrinos


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

Output: Moon


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

Output: causes


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

Output: gravitational


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

Output: oceans


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

Output: pull


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

Output: the


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

Output: tides


Input:
Sentence1: Thyroid hormone and growth hormone affect hair growth.
Sentence2: that which is responsible for hair growth are regulated by feedback mechanisms.

Output: growth


Input:
Sentence1: Thyroid hormone and growth hormone affect hair growth.
Sentence2: that which is responsible for hair growth are regulated by feedback mechanisms.

Output: hair


Input:
Sentence1: decomposition increases the amount of nutrients in the soil.
Sentence2: Loams are the best soil type.

Output: soil


Input:
Sentence1: Flowers produce spores that develop into gametophytes.
Sentence2: Orchids produce spores that develop into gametophytes.

Output: develop


Input:
Sentence1: Flowers produce spores that develop into gametophytes.
Sentence2: Orchids produce spores that develop into gametophytes.

Output: gametophytes


Input:
Sentence1: Flowers produce spores that develop into gametophytes.
Sentence2: Orchids produce spores that develop into gametophytes.

Output: produce


Input:
Sentence1: Flowers produce spores that develop into gametophytes.
Sentence2: Orchids produce spores that develop into gametophytes.

Output: spores


Input:
Sentence1: freezing means changing from a liquid into a solid by reducing heat energy.
Sentence2: Ice freezing from liquid to solid releases heat.

Output: freezing


Input:
Sentence1: freezing means changing from a liquid into a solid by reducing heat energy.
Sentence2: Ice freezing from liquid to solid releases heat.

Output: liquid


Input:
Sentence1: freezing means changing from a liquid into a solid by reducing heat energy.
Sentence2: Ice freezing from liquid to solid releases heat.

Output: solid


Input:
Sentence1: Here, the lungs supply the blood with oxygen.
Sentence2: Brain cells die quickly if their blood supply is cut off.

Output: blood


Input:
Sentence1: Submarines use sonar to find objects under the water, including other submarines.
Sentence2: Sonar is used to find other submarines.

Output: submarines


Input:
Sentence1: Evolution is a change in the characteristics of living things over time.
Sentence2: environment  can cause evolution.

Output: Evolution


Input:
Sentence1: Lung cancer is most often caused by exposure to tobacco smoke.
Sentence2: Many patients with lung cancer also have emphysema.

Output: Lung


Input:
Sentence1: Lung cancer is most often caused by exposure to tobacco smoke.
Sentence2: Many patients with lung cancer also have emphysema.

Output: cancer


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

Output: Cells


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

Output: building


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

Output: microscopic


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

Output: organisms


Input:
Sentence1: All chordates have jaws.
Sentence2: Vertebrates have a jaw and a backbone.

Output: jaws


Input:
Sentence1: wind and rain cause erosion.
Sentence2: Abrasion is particle by particle erosion.

Output: erosion


Input:
Sentence1: howling is used to warn other wolves by wolves.
Sentence2: wolves warn other wolves by using different pitches.

Output: other


Input:
Sentence1: howling is used to warn other wolves by wolves.
Sentence2: wolves warn other wolves by using different pitches.

Output: warn


Input:
Sentence1: howling is used to warn other wolves by wolves.
Sentence2: wolves warn other wolves by using different pitches.

Output: wolves


Input:
Sentence1: Ants use receptors on their antennae to follow recruitment pheromone trails.
Sentence2: ants communicate with their antennae.

Output: antennae


Input:
Sentence1: Bamboos are vigorous, rugged plants.
Sentence2: Chloroplasts are organelles that are found in the cells of bamboo.

Output: Bamboos


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

Output: fibroid


Input:
Sentence1: Most salamanders use their sense of smell to find a mate.
Sentence2: An amphibian uses its sense of smell to find a mate.

Output: find


Input:
Sentence1: Most salamanders use their sense of smell to find a mate.
Sentence2: An amphibian uses its sense of smell to find a mate.

Output: mate


Input:
Sentence1: Most salamanders use their sense of smell to find a mate.
Sentence2: An amphibian uses its sense of smell to find a mate.

Output: sense


Input:
Sentence1: Most salamanders use their sense of smell to find a mate.
Sentence2: An amphibian uses its sense of smell to find a mate.

Output: smell


Input:
Sentence1: Mammals are vertebrates with fur or hair.
Sentence2: mammals are vertebrates.

Output: vertebrates


Input:
Sentence1: Rapid growth means rapid advancement.
Sentence2: Infancy is the period of most rapid advancement.

Output: advancement


Input:
Sentence1: Rapid growth means rapid advancement.
Sentence2: Infancy is the period of most rapid advancement.

Output: rapid


Input:
Sentence1: Heterotrophs are living things that cannot make their own food.
Sentence2: Heterotrophs get organic molecules from other organisms.

Output: Heterotrophs


Input:
Sentence1: Oxygen is just one substance transported by the blood.
Sentence2: Blood glucose is the substance that feeds our cells.

Output: blood


Input:
Sentence1: Oxygen is just one substance transported by the blood.
Sentence2: Blood glucose is the substance that feeds our cells.

Output: substance


Input:
Sentence1: Sight is the ability to sense light, and the eye is the organ that senses light.
Sentence2: Sight is the process of organized images falling on the retina.

Output: Sight


Input:
Sentence1: camouflage is used for protection by prey against predators.
Sentence2: blending is used for protection.

Output: protection


Input:
Sentence1: Pasteurization was discovered by the French scientist, Louis Pasteur.
Sentence2: A French scientist discovered how to reduce the amount of bacteria in milk.

Output: French


Input:
Sentence1: Pasteurization was discovered by the French scientist, Louis Pasteur.
Sentence2: A French scientist discovered how to reduce the amount of bacteria in milk.

Output: scientist


Input:
Sentence1: darkness has a negative impact on photosynthesis.
Sentence2: Darkness has a negative impact on plant growth.

Output: darkness


Input:
Sentence1: darkness has a negative impact on photosynthesis.
Sentence2: Darkness has a negative impact on plant growth.

Output: impact


Input:
Sentence1: darkness has a negative impact on photosynthesis.
Sentence2: Darkness has a negative impact on plant growth.

Output: negative


Input:
Sentence1: Smog contains particulates.
Sentence2: Particulate emissions are increasingly dangerous.

Output: particulates


Input:
Sentence1: Plants use unsaturated fatty acids to store energy.
Sentence2: Among the unsaturated fatty acids are compounds with one, two or three double bonds.

Output: acids


Input:
Sentence1: Plants use unsaturated fatty acids to store energy.
Sentence2: Among the unsaturated fatty acids are compounds with one, two or three double bonds.

Output: fatty


Input:
Sentence1: Plants use unsaturated fatty acids to store energy.
Sentence2: Among the unsaturated fatty acids are compounds with one, two or three double bonds.

Output: unsaturated


Input:
Sentence1: insect bites cause harm to living things.
Sentence2: Actually, only the female mosquitoes bite people.

Output: bites


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

Output: control


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

Output: development


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

Output: sexual


Input:
Sentence1: Evaporation is when a liquid turns into a gas.
Sentence2: When a liquid turns into a gas in an open container, it spreads out into the air.

Output: liquid


Input:
Sentence1: Antigens are found on cancer cells and the cells of transplanted organs.
Sentence2: Organs such as the stomach and liver also begin to develop.

Output: organs


Input:
Sentence1: stomata closing reduces water loss.
Sentence2: Plants are able to close stomata.

Output: closing


Input:
Sentence1: stomata closing reduces water loss.
Sentence2: Plants are able to close stomata.

Output: stomata


Input:
Sentence1: If the medicine is in the form of a pill, swallow the pill whole.
Sentence2: swallowing pills whole is used for curing people when they are sick.

Output: pill


Input:
Sentence1: If the medicine is in the form of a pill, swallow the pill whole.
Sentence2: swallowing pills whole is used for curing people when they are sick.

Output: swallow


Input:
Sentence1: If the medicine is in the form of a pill, swallow the pill whole.
Sentence2: swallowing pills whole is used for curing people when they are sick.

Output: whole


Input:
Sentence1: a switch is used to start the flow of current in an electrical circuit.
Sentence2: The flow of electrical current powers a light bulb.

Output: current


Input:
Sentence1: a switch is used to start the flow of current in an electrical circuit.
Sentence2: The flow of electrical current powers a light bulb.

Output: electrical


Input:
Sentence1: a switch is used to start the flow of current in an electrical circuit.
Sentence2: The flow of electrical current powers a light bulb.

Output: flow


Input:
Sentence1: a switch is used to start the flow of current in an electrical circuit.
Sentence2: The flow of electrical current powers a light bulb.

Output: of


Input:
Sentence1: a switch is used to start the flow of current in an electrical circuit.
Sentence2: The flow of electrical current powers a light bulb.

Output: the


Input:
Sentence1: Cell death occurs by activation of cell death genes.
Sentence2: Aging is associated with the activation of certain genes.

Output: activation


Input:
Sentence1: Cell death occurs by activation of cell death genes.
Sentence2: Aging is associated with the activation of certain genes.

Output: genes


Input:
Sentence1: Cell death occurs by activation of cell death genes.
Sentence2: Aging is associated with the activation of certain genes.

Output: of


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

Output: Earth


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

Output: axis


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

Output: rotating


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

Output: tilt


Input:
Sentence1: a generator converts kinetic energy into electrical energy.
Sentence2: Electrical energy is converted into light energy in the headlights.

Output: electrical


Input:
Sentence1: Heat and temperature are the same.
Sentence2: a thermometer is used to measure heat.

Output: Heat


Input:
Sentence1: Birds are endothermic tetrapod vertebrates.
Sentence2: Animals with backbones are called vertebrates.

Output: vertebrates


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

Output: animals


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

Output: live


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

Output: mostly


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

Output: radial


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

Output: seas


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

Output: tentacled


Input:
Sentence1: For the heart is the chief organ of the body and rules it.
Sentence2: Bone provides protection for the heart.

Output: heart


Input:
Sentence1: Arthropods have a life cycle with sexual reproduction.
Sentence2: Insects have a life cycle with sexual reproduction.

Output: cycle


Input:
Sentence1: Arthropods have a life cycle with sexual reproduction.
Sentence2: Insects have a life cycle with sexual reproduction.

Output: life


Input:
Sentence1: Arthropods have a life cycle with sexual reproduction.
Sentence2: Insects have a life cycle with sexual reproduction.

Output: reproduction


Input:
Sentence1: Arthropods have a life cycle with sexual reproduction.
Sentence2: Insects have a life cycle with sexual reproduction.

Output: sexual


Input:
Sentence1: radioactive dating is used to determine the age of fossils.
Sentence2: Radioactive dating can determine the age of petrified wood.

Output: dating


Input:
Sentence1: radioactive dating is used to determine the age of fossils.
Sentence2: Radioactive dating can determine the age of petrified wood.

Output: determine


Input:
Sentence1: radioactive dating is used to determine the age of fossils.
Sentence2: Radioactive dating can determine the age of petrified wood.

Output: is


Input:
Sentence1: radioactive dating is used to determine the age of fossils.
Sentence2: Radioactive dating can determine the age of petrified wood.

Output: radioactive


Input:
Sentence1: radioactive dating is used to determine the age of fossils.
Sentence2: Radioactive dating can determine the age of petrified wood.

Output: to


Input:
Sentence1: radioactive dating is used to determine the age of fossils.
Sentence2: Radioactive dating can determine the age of petrified wood.

Output: used


Input:
Sentence1: Ancestors of hagfish are thought to have been the earliest vertebrates.
Sentence2: Property of ancestors and forefathers can only be legally inherited by sons.

Output: Ancestors


Input:
Sentence1: an aquatic animal requires great amounts of water to survive.
Sentence2: Beavers are primarily aquatic animals.

Output: animal


Input:
Sentence1: an aquatic animal requires great amounts of water to survive.
Sentence2: Beavers are primarily aquatic animals.

Output: aquatic


Input:
Sentence1: Thus, if I put salt on the doorstep, it will melt the ice because there is a relationship between the melting point of ice and the salinity of water.
Sentence2: pouring salt on an icy doorstep will reduce the melting point of the ice, making it easier to remove as the ice changes from a solid to a liquid at a lower temperature.

Output: doorstep


Input:
Sentence1: an animal requires stamina to succeed at physical activities.
Sentence2: Mustangs are noted for abilities in physical activities.

Output: activities


Input:
Sentence1: an animal requires stamina to succeed at physical activities.
Sentence2: Mustangs are noted for abilities in physical activities.

Output: physical


Input:
Sentence1: Trees are still used for fuel in some places.
Sentence2: some gymnosperms can be used as fuel.

Output: fuel


Input:
Sentence1: Humans have collected and grown mushrooms for food for thousands of years.
Sentence2: Mushrooms are an example of fungi.

Output: mushrooms


Input:
Sentence1: an animal usually requires a warm body temperature for survival.
Sentence2: Many warm-blooded animals control their body temperature by sweating or panting.

Output: animal


Input:
Sentence1: Protists Protists are single-celled organisms.
Sentence2: slime molds are fungus-like single-celled organisms.

Output: organisms


Input:
Sentence1: Protists Protists are single-celled organisms.
Sentence2: slime molds are fungus-like single-celled organisms.

Output: single-celled


Input:
Sentence1: Rivers flow in the wilderness.
Sentence2: A valley is formed by flowing in the wilderness.

Output: flow


Input:
Sentence1: Rivers flow in the wilderness.
Sentence2: A valley is formed by flowing in the wilderness.

Output: wilderness


Input:
Sentence1: when water freezes , that water expands.
Sentence2: Water expanding can cause pipes to burst.

Output: expands


Input:
Sentence1: when water freezes , that water expands.
Sentence2: Water expanding can cause pipes to burst.

Output: water


Input:
Sentence1: cross-pollination increases genetic diversity.
Sentence2: Cross Pollination Cross pollination is the gene flow between similar species of plants.

Output: cross-pollination


Input:
Sentence1: Viruses cause many human diseases.
Sentence2: Influenza virus causes widespread human disease.

Output: Viruses


Input:
Sentence1: Viruses cause many human diseases.
Sentence2: Influenza virus causes widespread human disease.

Output: human


Input:
Sentence1: an acid changes the color of litmus paper from blue to red.
Sentence2: Vinegar changes the color of litmus paper from blue to red.

Output: blue


Input:
Sentence1: an acid changes the color of litmus paper from blue to red.
Sentence2: Vinegar changes the color of litmus paper from blue to red.

Output: changes


Input:
Sentence1: an acid changes the color of litmus paper from blue to red.
Sentence2: Vinegar changes the color of litmus paper from blue to red.

Output: color


Input:
Sentence1: an acid changes the color of litmus paper from blue to red.
Sentence2: Vinegar changes the color of litmus paper from blue to red.

Output: from


Input:
Sentence1: an acid changes the color of litmus paper from blue to red.
Sentence2: Vinegar changes the color of litmus paper from blue to red.

Output: litmus


Input:
Sentence1: an acid changes the color of litmus paper from blue to red.
Sentence2: Vinegar changes the color of litmus paper from blue to red.

Output: of


Input:
Sentence1: an acid changes the color of litmus paper from blue to red.
Sentence2: Vinegar changes the color of litmus paper from blue to red.

Output: paper


Input:
Sentence1: an acid changes the color of litmus paper from blue to red.
Sentence2: Vinegar changes the color of litmus paper from blue to red.

Output: red


Input:
Sentence1: an acid changes the color of litmus paper from blue to red.
Sentence2: Vinegar changes the color of litmus paper from blue to red.

Output: the


Input:
Sentence1: an acid changes the color of litmus paper from blue to red.
Sentence2: Vinegar changes the color of litmus paper from blue to red.

Output: to


Input:
Sentence1: Clams are mollusks that live in the sea or in freshwater.
Sentence2: clams have a circulatory system with one or two hearts that pump blood.

Output: Clams


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

Output: Wind


Input:
Sentence1: Dams are very damaging to rivers.
Sentence2: Creating a lake can be very damaging to rivers.

Output: damaging


Input:
Sentence1: Dams are very damaging to rivers.
Sentence2: Creating a lake can be very damaging to rivers.

Output: rivers


Input:
Sentence1: Dams are very damaging to rivers.
Sentence2: Creating a lake can be very damaging to rivers.

Output: to


Input:
Sentence1: Dams are very damaging to rivers.
Sentence2: Creating a lake can be very damaging to rivers.

Output: very


Input:
Sentence1: Producers use energy and inorganic molecules to make food.
Sentence2: If the plant is green, it is a producer.

Output: Producers


Input:
Sentence1: pathogens can cause disease.
Sentence2: pathogens affects the immune system.

Output: pathogens


Input:
Sentence1: Green plants are producers .
Sentence2: Green plants are organisms that make food for themselves and other organisms.

Output: Green


Input:
Sentence1: Green plants are producers .
Sentence2: Green plants are organisms that make food for themselves and other organisms.

Output: plants


Input:
Sentence1: Animals are a kingdom of multicellular eukaryotes.
Sentence2: Most eukaryotes reproduce sexually.

Output: eukaryotes


Input:
Sentence1: Hookworms can be fatal to puppies.
Sentence2: Larvae can be fatal to puppies.

Output: fatal


Input:
Sentence1: Hookworms can be fatal to puppies.
Sentence2: Larvae can be fatal to puppies.

Output: puppies


Input:
Sentence1: Hookworms can be fatal to puppies.
Sentence2: Larvae can be fatal to puppies.

Output: to


Input:
Sentence1: Mollusks live in most terrestrial, freshwater, and marine habitats.
Sentence2: Clams live in freshwater habitats.

Output: freshwater


Input:
Sentence1: Mollusks live in most terrestrial, freshwater, and marine habitats.
Sentence2: Clams live in freshwater habitats.

Output: habitats


Input:
Sentence1: Macroevolution occurs over geologic time above the level of the species.
Sentence2: Geologic time lines are expressed in geologic eras and periods.

Output: geologic


Input:
Sentence1: Macroevolution occurs over geologic time above the level of the species.
Sentence2: Geologic time lines are expressed in geologic eras and periods.

Output: time


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

Output: backbone


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

Output: column


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

Output: lack


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

Output: vertebral


Input:
Sentence1: safety goggles are used for protecting the eyes during experiments.
Sentence2: Safety goggles are used to protect the eyes in the lab.

Output: eyes


Input:
Sentence1: safety goggles are used for protecting the eyes during experiments.
Sentence2: Safety goggles are used to protect the eyes in the lab.

Output: goggles


Input:
Sentence1: safety goggles are used for protecting the eyes during experiments.
Sentence2: Safety goggles are used to protect the eyes in the lab.

Output: protecting


Input:
Sentence1: safety goggles are used for protecting the eyes during experiments.
Sentence2: Safety goggles are used to protect the eyes in the lab.

Output: safety


Input:
Sentence1: safety goggles are used for protecting the eyes during experiments.
Sentence2: Safety goggles are used to protect the eyes in the lab.

Output: used


Input:
Sentence1: Aerosols of uranium dioxide can travel a long distance.
Sentence2: aerosols of uranium dioxide can migrate.

Output: Aerosols


Input:
Sentence1: Aerosols of uranium dioxide can travel a long distance.
Sentence2: aerosols of uranium dioxide can migrate.

Output: dioxide


Input:
Sentence1: Aerosols of uranium dioxide can travel a long distance.
Sentence2: aerosols of uranium dioxide can migrate.

Output: uranium


Input:
Sentence1: shelter is used for protection by animals against weather.
Sentence2: animals use shelter in hot temperatures.

Output: animals


Input:
Sentence1: Pedigree A pedigree is a map of the types of hemoglobin in the family tree.
Sentence2: a map of the types of hemoglobin in the family tree is a useful tool for studying inheritance patterns.

Output: family


Input:
Sentence1: Pedigree A pedigree is a map of the types of hemoglobin in the family tree.
Sentence2: a map of the types of hemoglobin in the family tree is a useful tool for studying inheritance patterns.

Output: hemoglobin


Input:
Sentence1: Pedigree A pedigree is a map of the types of hemoglobin in the family tree.
Sentence2: a map of the types of hemoglobin in the family tree is a useful tool for studying inheritance patterns.

Output: map


Input:
Sentence1: Pedigree A pedigree is a map of the types of hemoglobin in the family tree.
Sentence2: a map of the types of hemoglobin in the family tree is a useful tool for studying inheritance patterns.

Output: tree


Input:
Sentence1: Pedigree A pedigree is a map of the types of hemoglobin in the family tree.
Sentence2: a map of the types of hemoglobin in the family tree is a useful tool for studying inheritance patterns.

Output: types


Input:
Sentence1: Water pollution Water is life.
Sentence2: Acid rain has a negative impact on life quality.

Output: life


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

Output: animals


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

Output: communication


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: acorns can wait to germinate until conditions are favorable for growth.

Output: are


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: acorns can wait to germinate until conditions are favorable for growth.

Output: can


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: acorns can wait to germinate until conditions are favorable for growth.

Output: conditions


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: acorns can wait to germinate until conditions are favorable for growth.

Output: favorable


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: acorns can wait to germinate until conditions are favorable for growth.

Output: for


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: acorns can wait to germinate until conditions are favorable for growth.

Output: germinate


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: acorns can wait to germinate until conditions are favorable for growth.

Output: growth


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: acorns can wait to germinate until conditions are favorable for growth.

Output: until


Input:
Sentence1: Many seeds can wait to germinate until conditions are favorable for growth.
Sentence2: acorns can wait to germinate until conditions are favorable for growth.

Output: wait


Input:
Sentence1: harming an animal species causes that animal 's population to decrease.
Sentence2: Oil spill sare harmful to animals and the enviroment.

Output: harming


Input:
Sentence1: Breathing gets oxygen into the body, but aerobic respiration occurs at the cellular level.
Sentence2: That the cellular level, the final stage of breathing oxygen is electron transport.

Output: Breathing


Input:
Sentence1: Breathing gets oxygen into the body, but aerobic respiration occurs at the cellular level.
Sentence2: That the cellular level, the final stage of breathing oxygen is electron transport.

Output: cellular


Input:
Sentence1: Breathing gets oxygen into the body, but aerobic respiration occurs at the cellular level.
Sentence2: That the cellular level, the final stage of breathing oxygen is electron transport.

Output: level


Input:
Sentence1: Breathing gets oxygen into the body, but aerobic respiration occurs at the cellular level.
Sentence2: That the cellular level, the final stage of breathing oxygen is electron transport.

Output: oxygen


Input:
Sentence1: Rivers are usually larger than streams.
Sentence2: streams are smaller bodies of water.

Output: streams


Input:
Sentence1: the Himalayas were formed by rock folding.
Sentence2: If the rocks are not as brittle, they will either tilt or fold.

Output: rock


Input:
Sentence1: disease has a negative impact on an organism.
Sentence2: Because it is a disease, it can be treated.

Output: disease


Input:
Sentence1: Earthquakes Earthquakes Japan is an earthquake-prone country.
Sentence2: Japan has a lot of mountains.

Output: Japan


Input:
Sentence1: Tides create current.
Sentence2: The gravitational pull of the Moon on Earth's ocean contributes to ocean currents.

Output: current


Input:
Sentence1: Growth is faster during infancy than it is during puberty.
Sentence2: puberty has slower development than infancy.

Output: puberty


Input:
Sentence1: Frogs breathe with their lungs and skin.
Sentence2: frogs use lungs to breathe air.

Output: lungs


Input:
Sentence1: Plants exhibit phototropism, or growing toward a light source.
Sentence2: Phototropism means growing toward the energy of light.

Output: phototropism


Input:
Sentence1: Pollination is the fertilization step in the sexual reproduction of plants.
Sentence2: Bees are absolutely essential for pollination.

Output: Pollination


Input:
Sentence1: microorganisms can cause infections.
Sentence2: Chlorination uses liquid chlorine bleach to kill microorganisms.

Output: microorganisms


Input:
Sentence1: Cover Crops Cover Crops usually are grown to prevent soil loss from wind and water erosion.
Sentence2: Growing crops is done to prevent soil erosion.

Output: Crops


Input:
Sentence1: Cover Crops Cover Crops usually are grown to prevent soil loss from wind and water erosion.
Sentence2: Growing crops is done to prevent soil erosion.

Output: grown


Input:
Sentence1: Cover Crops Cover Crops usually are grown to prevent soil loss from wind and water erosion.
Sentence2: Growing crops is done to prevent soil erosion.

Output: prevent


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: Benzene, like ozone and particulate matter, is a nonthreshold pollutant.
Sentence2: particulate matter has a negative impact on the environment.

Output: matter


Input:
Sentence1: Benzene, like ozone and particulate matter, is a nonthreshold pollutant.
Sentence2: particulate matter has a negative impact on the environment.

Output: particulate


Input:
Sentence1: Excretion is the process of removing wastes and excess water from the body.
Sentence2: parasites remove waste from their bodies.

Output: wastes


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: Most pituitary hormones control integrating centers.

Output: Most


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: Most pituitary hormones control integrating centers.

Output: control


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: Most pituitary hormones control integrating centers.

Output: hormones


Input:
Sentence1: Most pituitary hormones control other endocrine glands.
Sentence2: Most pituitary hormones control integrating centers.

Output: pituitary


Input:
Sentence1: Producers make food from inorganic molecules.
Sentence2: Plants are known as producers .

Output: Producers


Input:
Sentence1: Cnidarians are invertebrates such as jellyfish and corals.
Sentence2: Invertebrates are animals without backbones.

Output: invertebrates


Input:
Sentence1: competition may cause animals to fight towards members of their own species.
Sentence2: Competition is fierce and resources are scarce.

Output: competition


Input:
Sentence1: staying warm has a positive impact on an animal 's survival.
Sentence2: hydration is needed for survival.

Output: survival


Input:
Sentence1: Chromosomes are coiled structures made of DNA and proteins.
Sentence2: Genes are a part of coiled structures made of DNA and proteins.

Output: DNA


Input:
Sentence1: Chromosomes are coiled structures made of DNA and proteins.
Sentence2: Genes are a part of coiled structures made of DNA and proteins.

Output: coiled


Input:
Sentence1: Chromosomes are coiled structures made of DNA and proteins.
Sentence2: Genes are a part of coiled structures made of DNA and proteins.

Output: made


Input:
Sentence1: Chromosomes are coiled structures made of DNA and proteins.
Sentence2: Genes are a part of coiled structures made of DNA and proteins.

Output: proteins


Input:
Sentence1: Chromosomes are coiled structures made of DNA and proteins.
Sentence2: Genes are a part of coiled structures made of DNA and proteins.

Output: structures


Input:
Sentence1: intense heat has a negative impact on an organism.
Sentence2: To have the form of heat is to be-hot.

Output: heat


Input:
Sentence1: When people look around everyday, they see color.
Sentence2: When people look around everyday, they require light.

Output: When


Input:
Sentence1: When people look around everyday, they see color.
Sentence2: When people look around everyday, they require light.

Output: around


Input:
Sentence1: When people look around everyday, they see color.
Sentence2: When people look around everyday, they require light.

Output: everyday


Input:
Sentence1: When people look around everyday, they see color.
Sentence2: When people look around everyday, they require light.

Output: look


Input:
Sentence1: When people look around everyday, they see color.
Sentence2: When people look around everyday, they require light.

Output: people


Input:
Sentence1: When people look around everyday, they see color.
Sentence2: When people look around everyday, they require light.

Output: they


Input:
Sentence1: Any antigen that causes an allergy is called an allergen.
Sentence2: Any foreign protein that causes an allergic reaction is called an allergen.

Output: allergen


Input:
Sentence1: Any antigen that causes an allergy is called an allergen.
Sentence2: Any foreign protein that causes an allergic reaction is called an allergen.

Output: allergy


Input:
Sentence1: Any antigen that causes an allergy is called an allergen.
Sentence2: Any foreign protein that causes an allergic reaction is called an allergen.

Output: causes


Input:
Sentence1: fire converts chemical energy into light and heat energy.
Sentence2: Flames convert chemical energy into light and heat energy.

Output: chemical


Input:
Sentence1: fire converts chemical energy into light and heat energy.
Sentence2: Flames convert chemical energy into light and heat energy.

Output: converts


Input:
Sentence1: fire converts chemical energy into light and heat energy.
Sentence2: Flames convert chemical energy into light and heat energy.

Output: energy


Input:
Sentence1: fire converts chemical energy into light and heat energy.
Sentence2: Flames convert chemical energy into light and heat energy.

Output: heat


Input:
Sentence1: fire converts chemical energy into light and heat energy.
Sentence2: Flames convert chemical energy into light and heat energy.

Output: light


Input:
Sentence1: Fertilization of gametes produces a diploid zygote.
Sentence2: Female gametes are called eggs.

Output: gametes


Input:
Sentence1: the ovaries are used in reproduction.
Sentence2: Egg released by the ovary.

Output: ovaries


Input:
Sentence1: Earth 's tilt on its rotating axis causes seasons to change.
Sentence2: Autumn brings the changing of the seasons.

Output: change


Input:
Sentence1: Earth 's tilt on its rotating axis causes seasons to change.
Sentence2: Autumn brings the changing of the seasons.

Output: seasons