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

Output: ground


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

Output: groundwater


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

Output: land


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

Output: soak


Input:
Sentence1: Balance is the ability to sense and maintain body position.
Sentence2: Another part of the inner ear is used for balance.

Output: Balance


Input:
Sentence1: Mutations may change the structure of a chromosome or just change a single nucleotide.
Sentence2: Changes in the structure of the Y chromosome are implicated in male infertility.

Output: change


Input:
Sentence1: Mutations may change the structure of a chromosome or just change a single nucleotide.
Sentence2: Changes in the structure of the Y chromosome are implicated in male infertility.

Output: structure


Input:
Sentence1: Respiration begins with ventilation.
Sentence2: respiration begins with breathing.

Output: Respiration


Input:
Sentence1: Respiration begins with ventilation.
Sentence2: respiration begins with breathing.

Output: begins


Input:
Sentence1: Respiration begins with ventilation.
Sentence2: respiration begins with breathing.

Output: with


Input:
Sentence1: Eukaryotes move much faster than prokaryotes.
Sentence2: Cell division is more complex in organisms with faster movement.

Output: faster


Input:
Sentence1: Eukaryotes move much faster than prokaryotes.
Sentence2: Cell division is more complex in organisms with faster movement.

Output: move


Input:
Sentence1: Garbage goes into Landfills.
Sentence2: garbage has a negative impact on the environment.

Output: Garbage


Input:
Sentence1: When an atom or molecule is no longer neutral it is called an ion .
Sentence2: if an atom loses an electron then it forms an ion.

Output: ion


Input:
Sentence1: Lengths A length is a measure of distance.
Sentence2: a tape measure is used to measure distance.

Output: distance


Input:
Sentence1: Producers make food from inorganic molecules.
Sentence2: Among the small inorganic molecules which are economically attractive are CO and H 2 .

Output: inorganic


Input:
Sentence1: Producers make food from inorganic molecules.
Sentence2: Among the small inorganic molecules which are economically attractive are CO and H 2 .

Output: molecules


Input:
Sentence1: Marine biomes are found in the salt water of the ocean.
Sentence2: Marine biomes are found in large bodies of salt water.

Output: Marine


Input:
Sentence1: Marine biomes are found in the salt water of the ocean.
Sentence2: Marine biomes are found in large bodies of salt water.

Output: biomes


Input:
Sentence1: Marine biomes are found in the salt water of the ocean.
Sentence2: Marine biomes are found in large bodies of salt water.

Output: found


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

Output: cells


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

Output: death


Input:
Sentence1: Antibodies are large, Y-shaped proteins that recognize and bind to antigens.
Sentence2: Some of the antibodies, antophospholipid antibodies, cause blood clots.

Output: Antibodies


Input:
Sentence1: Intermediate length rays are visible as light.
Sentence2: when intermediate length rays enter the eye through the pupil it falls on the retina.

Output: Intermediate


Input:
Sentence1: Intermediate length rays are visible as light.
Sentence2: when intermediate length rays enter the eye through the pupil it falls on the retina.

Output: length


Input:
Sentence1: Intermediate length rays are visible as light.
Sentence2: when intermediate length rays enter the eye through the pupil it falls on the retina.

Output: rays


Input:
Sentence1: Organisms cluster around hydrothermal vents in the ocean floor.
Sentence2: Hydrothermal vents are fissures in the ocean floor that leak hot, acidic water.

Output: hydrothermal


Input:
Sentence1: Organisms cluster around hydrothermal vents in the ocean floor.
Sentence2: Hydrothermal vents are fissures in the ocean floor that leak hot, acidic water.

Output: vents


Input:
Sentence1: tectonic plates being pushed together causes earthquakes.
Sentence2: plates press together to cause shaking.

Output: plates


Input:
Sentence1: Contact with a source of electrical energy can cause external as well as internal burns.
Sentence2: A generator converts kinetic energy into a source of energy that can cause external as well as internal burns.

Output: burns


Input:
Sentence1: Contact with a source of electrical energy can cause external as well as internal burns.
Sentence2: A generator converts kinetic energy into a source of energy that can cause external as well as internal burns.

Output: can


Input:
Sentence1: Contact with a source of electrical energy can cause external as well as internal burns.
Sentence2: A generator converts kinetic energy into a source of energy that can cause external as well as internal burns.

Output: cause


Input:
Sentence1: Contact with a source of electrical energy can cause external as well as internal burns.
Sentence2: A generator converts kinetic energy into a source of energy that can cause external as well as internal burns.

Output: energy


Input:
Sentence1: Contact with a source of electrical energy can cause external as well as internal burns.
Sentence2: A generator converts kinetic energy into a source of energy that can cause external as well as internal burns.

Output: external


Input:
Sentence1: Contact with a source of electrical energy can cause external as well as internal burns.
Sentence2: A generator converts kinetic energy into a source of energy that can cause external as well as internal burns.

Output: internal


Input:
Sentence1: Contact with a source of electrical energy can cause external as well as internal burns.
Sentence2: A generator converts kinetic energy into a source of energy that can cause external as well as internal burns.

Output: source


Input:
Sentence1: Contact with a source of electrical energy can cause external as well as internal burns.
Sentence2: A generator converts kinetic energy into a source of energy that can cause external as well as internal burns.

Output: well


Input:
Sentence1: adding salt to a solid decreases the freezing point of that solid.
Sentence2: Freezing point depression is a colligative property.

Output: freezing


Input:
Sentence1: adding salt to a solid decreases the freezing point of that solid.
Sentence2: Freezing point depression is a colligative property.

Output: point


Input:
Sentence1: Head hair is especially important in preventing heat loss from the body.
Sentence2: Alopecia Hair loss is referred to as alopecia.

Output: hair


Input:
Sentence1: Many nerve pathways link the cerebellum with motor neurons throughout the body.
Sentence2: Reflexology link the cerebellum with motor neutrons throughout the body.

Output: cerebellum


Input:
Sentence1: Many nerve pathways link the cerebellum with motor neurons throughout the body.
Sentence2: Reflexology link the cerebellum with motor neutrons throughout the body.

Output: link


Input:
Sentence1: Many nerve pathways link the cerebellum with motor neurons throughout the body.
Sentence2: Reflexology link the cerebellum with motor neutrons throughout the body.

Output: motor


Input:
Sentence1: Many nerve pathways link the cerebellum with motor neurons throughout the body.
Sentence2: Reflexology link the cerebellum with motor neutrons throughout the body.

Output: neurons


Input:
Sentence1: Jaws also make cartilaginous fish excellent predators.
Sentence2: Jaws make sharks excellent predators.

Output: Jaws


Input:
Sentence1: Jaws also make cartilaginous fish excellent predators.
Sentence2: Jaws make sharks excellent predators.

Output: excellent


Input:
Sentence1: Jaws also make cartilaginous fish excellent predators.
Sentence2: Jaws make sharks excellent predators.

Output: make


Input:
Sentence1: Jaws also make cartilaginous fish excellent predators.
Sentence2: Jaws make sharks excellent predators.

Output: predators


Input:
Sentence1: To find direction, students magnetize needles and locate North.
Sentence2: Finding directions can be done by using a compass that points North.

Output: direction


Input:
Sentence1: To find direction, students magnetize needles and locate North.
Sentence2: Finding directions can be done by using a compass that points North.

Output: find


Input:
Sentence1: Earthquakes and volcanoes are violent proof of Earth's shifting crust.
Sentence2: Faulting of rock in the Earth causes a shifting crust.

Output: crust


Input:
Sentence1: Earthquakes and volcanoes are violent proof of Earth's shifting crust.
Sentence2: Faulting of rock in the Earth causes a shifting crust.

Output: shifting


Input:
Sentence1: Typically, the liquid is water.
Sentence2: a cactus stem is used for storing liquid.

Output: liquid


Input:
Sentence1: Cirrus clouds can indicate the arrival of a warm front.
Sentence2: Cirrus clouds can indicate the arrival of rainy weather.

Output: Cirrus


Input:
Sentence1: Cirrus clouds can indicate the arrival of a warm front.
Sentence2: Cirrus clouds can indicate the arrival of rainy weather.

Output: arrival


Input:
Sentence1: Cirrus clouds can indicate the arrival of a warm front.
Sentence2: Cirrus clouds can indicate the arrival of rainy weather.

Output: clouds


Input:
Sentence1: Cirrus clouds can indicate the arrival of a warm front.
Sentence2: Cirrus clouds can indicate the arrival of rainy weather.

Output: indicate


Input:
Sentence1: plasma is formed by electrons separating from atoms in stars.
Sentence2: Active stars are filled with hot, separating electrons.

Output: electrons


Input:
Sentence1: plasma is formed by electrons separating from atoms in stars.
Sentence2: Active stars are filled with hot, separating electrons.

Output: separating


Input:
Sentence1: Viruses are not cells.
Sentence2: Plant cells are surrounded by a cell membrane and a cell wall.

Output: cells


Input:
Sentence1: erosion of soil has a negative impact on the environment.
Sentence2: Forests provide a clean and comfortable environment.

Output: environment


Input:
Sentence1: when a body of water receives more water than it can hold , a flood occurs.
Sentence2: Lakes are large bodies of inland water.

Output: body


Input:
Sentence1: when a body of water receives more water than it can hold , a flood occurs.
Sentence2: Lakes are large bodies of inland water.

Output: water


Input:
Sentence1: skin is used for protecting the body from harmful substances.
Sentence2: Eyes and skin are the critical organs.

Output: skin


Input:
Sentence1: energy is used for heating a building by a heating system.
Sentence2: Faculty offices are also in the building.

Output: building


Input:
Sentence1: Yeast reproduce asexually by budding.
Sentence2: Bread baking fungus reproduce asexually by budding.

Output: asexually


Input:
Sentence1: Yeast reproduce asexually by budding.
Sentence2: Bread baking fungus reproduce asexually by budding.

Output: budding


Input:
Sentence1: Yeast reproduce asexually by budding.
Sentence2: Bread baking fungus reproduce asexually by budding.

Output: by


Input:
Sentence1: Yeast reproduce asexually by budding.
Sentence2: Bread baking fungus reproduce asexually by budding.

Output: reproduce


Input:
Sentence1: Hail, rain, sleet, and snow are referred to as precipitation .
Sentence2: Hail that falls on land may soak into the ground, becoming groundwater.

Output: Hail


Input:
Sentence1: Electrical energy refers to energy associated with the flow of electrons.
Sentence2: a light bulb requires the flow of electrons to produce light.

Output: electrons


Input:
Sentence1: Electrical energy refers to energy associated with the flow of electrons.
Sentence2: a light bulb requires the flow of electrons to produce light.

Output: flow


Input:
Sentence1: absorbing sunlight causes objects to heat.
Sentence2: Collector panels absorb sunlight to heat air.

Output: sunlight


Input:
Sentence1: Antigens are proteins foreign to the body.
Sentence2: antigens are proteins.

Output: proteins


Input:
Sentence1: when a hurricane moves over land , that hurricane will decrease in strength.
Sentence2: Once a hurricane reaches land the source of warm moist air is extinguished and the hurricane dies.

Output: land


Input:
Sentence1: Ribosomes are sites where proteins are made.
Sentence2: Biomolecules covered include amino acids, proteins, enzymes, vitamins and hormones.

Output: proteins


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Unequal heating of Earth's surface by the Sun can cause some geographical areas to evolve into deserts.

Output: Earth


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Unequal heating of Earth's surface by the Sun can cause some geographical areas to evolve into deserts.

Output: Sun


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Unequal heating of Earth's surface by the Sun can cause some geographical areas to evolve into deserts.

Output: heating


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Unequal heating of Earth's surface by the Sun can cause some geographical areas to evolve into deserts.

Output: surface


Input:
Sentence1: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Sentence2: Unequal heating of Earth's surface by the Sun can cause some geographical areas to evolve into deserts.

Output: unequal


Input:
Sentence1: a warm front causes cloudy and rainy weather.
Sentence2: A warm front causes algae scums to die.

Output: causes


Input:
Sentence1: a warm front causes cloudy and rainy weather.
Sentence2: A warm front causes algae scums to die.

Output: front


Input:
Sentence1: a warm front causes cloudy and rainy weather.
Sentence2: A warm front causes algae scums to die.

Output: warm


Input:
Sentence1: When ferns are dormant it is as if they are hibernating.
Sentence2: Some viruses live in a hibernating state inside the body.

Output: hibernating


Input:
Sentence1: Arterial Blood Pressure Arteries conduct blood away from the heart.
Sentence2: blood going away from the heart is generally oxygen-rich.

Output: away


Input:
Sentence1: Arterial Blood Pressure Arteries conduct blood away from the heart.
Sentence2: blood going away from the heart is generally oxygen-rich.

Output: blood


Input:
Sentence1: Arterial Blood Pressure Arteries conduct blood away from the heart.
Sentence2: blood going away from the heart is generally oxygen-rich.

Output: from


Input:
Sentence1: Arterial Blood Pressure Arteries conduct blood away from the heart.
Sentence2: blood going away from the heart is generally oxygen-rich.

Output: heart


Input:
Sentence1: Heat loss is inhibited by the intense vasoconstriction.
Sentence2: intense vasoconstriction has a negative impact on an organism.

Output: vasoconstriction


Input:
Sentence1: natural magnetism is used for pointing north by a compass.
Sentence2: Magnets are surrounded by a magnetic field.

Output: magnetism


Input:
Sentence1: pollination requires pollinators.
Sentence2: Several plant species require flooding for seeding establishment.

Output: requires


Input:
Sentence1: Roots have primary and secondary meristems for growth in length and width.
Sentence2: The growth in roots that comes from primary and secondary meristems can be measured with a ruler.

Output: Roots


Input:
Sentence1: Roots have primary and secondary meristems for growth in length and width.
Sentence2: The growth in roots that comes from primary and secondary meristems can be measured with a ruler.

Output: growth


Input:
Sentence1: Roots have primary and secondary meristems for growth in length and width.
Sentence2: The growth in roots that comes from primary and secondary meristems can be measured with a ruler.

Output: meristems


Input:
Sentence1: Roots have primary and secondary meristems for growth in length and width.
Sentence2: The growth in roots that comes from primary and secondary meristems can be measured with a ruler.

Output: primary


Input:
Sentence1: Roots have primary and secondary meristems for growth in length and width.
Sentence2: The growth in roots that comes from primary and secondary meristems can be measured with a ruler.

Output: secondary


Input:
Sentence1: Chromosomes are the form of the genetic material of a cell during cell division.
Sentence2: Microtubules move the genetic material of a cell during cell division.

Output: cell


Input:
Sentence1: Chromosomes are the form of the genetic material of a cell during cell division.
Sentence2: Microtubules move the genetic material of a cell during cell division.

Output: division


Input:
Sentence1: Chromosomes are the form of the genetic material of a cell during cell division.
Sentence2: Microtubules move the genetic material of a cell during cell division.

Output: during


Input:
Sentence1: Chromosomes are the form of the genetic material of a cell during cell division.
Sentence2: Microtubules move the genetic material of a cell during cell division.

Output: genetic


Input:
Sentence1: Chromosomes are the form of the genetic material of a cell during cell division.
Sentence2: Microtubules move the genetic material of a cell during cell division.

Output: material


Input:
Sentence1: when sound reaches the ear , that sound can be heard.
Sentence2: Nevertheless, the sharpest sounds are perceived in the brain.

Output: sound


Input:
Sentence1: keeping food cold is used for keeping food fresh.
Sentence2: Refrigerators are suppose to add coldness to the food inside of it.

Output: cold


Input:
Sentence1: keeping food cold is used for keeping food fresh.
Sentence2: Refrigerators are suppose to add coldness to the food inside of it.

Output: food


Input:
Sentence1: keeping food cold is used for keeping food fresh.
Sentence2: Refrigerators are suppose to add coldness to the food inside of it.

Output: keeping


Input:
Sentence1: Bees feed on nectar and pollen.
Sentence2: Plant reproduction often requires bees and nectar.

Output: Bees


Input:
Sentence1: Bees feed on nectar and pollen.
Sentence2: Plant reproduction often requires bees and nectar.

Output: nectar


Input:
Sentence1: Stimuli are detected by sensory nerve cells.
Sentence2: changes in the environment are detected by sensory nerve cells.

Output: cells


Input:
Sentence1: Stimuli are detected by sensory nerve cells.
Sentence2: changes in the environment are detected by sensory nerve cells.

Output: detected


Input:
Sentence1: Stimuli are detected by sensory nerve cells.
Sentence2: changes in the environment are detected by sensory nerve cells.

Output: nerve


Input:
Sentence1: Stimuli are detected by sensory nerve cells.
Sentence2: changes in the environment are detected by sensory nerve cells.

Output: sensory


Input:
Sentence1: Proteins are assembled on floating ribosomes.
Sentence2: Proteins are assembled on small floating organelles.

Output: Proteins


Input:
Sentence1: Proteins are assembled on floating ribosomes.
Sentence2: Proteins are assembled on small floating organelles.

Output: assembled


Input:
Sentence1: Proteins are assembled on floating ribosomes.
Sentence2: Proteins are assembled on small floating organelles.

Output: floating


Input:
Sentence1: Ocean thermal is energy derived from waves and also from tidal waves.
Sentence2: Ocean thermal can be used to produce electricity.

Output: Ocean


Input:
Sentence1: Ocean thermal is energy derived from waves and also from tidal waves.
Sentence2: Ocean thermal can be used to produce electricity.

Output: thermal


Input:
Sentence1: if a living thing becomes too cold then that living thing will die.
Sentence2: If a thing becomes too cold then it will die and decompose only to be recylced again.

Output: becomes


Input:
Sentence1: if a living thing becomes too cold then that living thing will die.
Sentence2: If a thing becomes too cold then it will die and decompose only to be recylced again.

Output: cold


Input:
Sentence1: if a living thing becomes too cold then that living thing will die.
Sentence2: If a thing becomes too cold then it will die and decompose only to be recylced again.

Output: die


Input:
Sentence1: if a living thing becomes too cold then that living thing will die.
Sentence2: If a thing becomes too cold then it will die and decompose only to be recylced again.

Output: then


Input:
Sentence1: if a living thing becomes too cold then that living thing will die.
Sentence2: If a thing becomes too cold then it will die and decompose only to be recylced again.

Output: thing


Input:
Sentence1: if a living thing becomes too cold then that living thing will die.
Sentence2: If a thing becomes too cold then it will die and decompose only to be recylced again.

Output: too


Input:
Sentence1: Scales protect fish from predators and parasites and reduce friction with the water.
Sentence2: Scales protect fish from predators and parasites and allow them to move faster.

Output: Scales


Input:
Sentence1: Scales protect fish from predators and parasites and reduce friction with the water.
Sentence2: Scales protect fish from predators and parasites and allow them to move faster.

Output: fish


Input:
Sentence1: Scales protect fish from predators and parasites and reduce friction with the water.
Sentence2: Scales protect fish from predators and parasites and allow them to move faster.

Output: parasites


Input:
Sentence1: Scales protect fish from predators and parasites and reduce friction with the water.
Sentence2: Scales protect fish from predators and parasites and allow them to move faster.

Output: predators


Input:
Sentence1: Scales protect fish from predators and parasites and reduce friction with the water.
Sentence2: Scales protect fish from predators and parasites and allow them to move faster.

Output: protect


Input:
Sentence1: Aggression is behavior that is intended to cause harm or pain.
Sentence2: Pain in the present is experienced as hurt.

Output: pain


Input:
Sentence1: Oil provides heating for warmth and gasoline for transportation.
Sentence2: An egg requires heat to survive.

Output: heating


Input:
Sentence1: Emphasis is on playing the sport.
Sentence2: behaviors can be learned through sports.

Output: sport


Input:
Sentence1: biofuel is used to produce electricity by burning.
Sentence2: Ethanol can produce electricity by burning.

Output: burning


Input:
Sentence1: biofuel is used to produce electricity by burning.
Sentence2: Ethanol can produce electricity by burning.

Output: electricity


Input:
Sentence1: biofuel is used to produce electricity by burning.
Sentence2: Ethanol can produce electricity by burning.

Output: produce


Input:
Sentence1: Smog contains particulates.
Sentence2: Smog can penetrate deep into lungs.

Output: Smog


Input:
Sentence1: Bryophytes occupy niches in moist habitats.
Sentence2: Bryophytes lack vessels.

Output: Bryophytes


Input:
Sentence1: seconds are used to measure time.
Sentence2: Distances are not measured in seconds.

Output: measure


Input:
Sentence1: seconds are used to measure time.
Sentence2: Distances are not measured in seconds.

Output: seconds


Input:
Sentence1: Pesticides are chemical poisons.
Sentence2: Chemical poisons cause pollution.

Output: chemical


Input:
Sentence1: Pesticides are chemical poisons.
Sentence2: Chemical poisons cause pollution.

Output: poisons


Input:
Sentence1: tectonic plates being pushed together causes earthquakes.
Sentence2: Tectonic plates being pushed together can damage plumbing.

Output: being


Input:
Sentence1: tectonic plates being pushed together causes earthquakes.
Sentence2: Tectonic plates being pushed together can damage plumbing.

Output: plates


Input:
Sentence1: tectonic plates being pushed together causes earthquakes.
Sentence2: Tectonic plates being pushed together can damage plumbing.

Output: pushed


Input:
Sentence1: tectonic plates being pushed together causes earthquakes.
Sentence2: Tectonic plates being pushed together can damage plumbing.

Output: tectonic


Input:
Sentence1: tectonic plates being pushed together causes earthquakes.
Sentence2: Tectonic plates being pushed together can damage plumbing.

Output: together


Input:
Sentence1: Flatworms belong to the phylum Platyhelminthes.
Sentence2: Somethign belonging to the phylum Platyhelminthes has a brain.

Output: Platyhelminthes


Input:
Sentence1: Flatworms belong to the phylum Platyhelminthes.
Sentence2: Somethign belonging to the phylum Platyhelminthes has a brain.

Output: belong


Input:
Sentence1: Flatworms belong to the phylum Platyhelminthes.
Sentence2: Somethign belonging to the phylum Platyhelminthes has a brain.

Output: phylum


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

Output: mushrooms


Input:
Sentence1: Tides are the rising and falling of ocean's water.
Sentence2: the gravitational pull of the Moon on Earth 's oceans causes water to rise and fall.

Output: falling


Input:
Sentence1: Tides are the rising and falling of ocean's water.
Sentence2: the gravitational pull of the Moon on Earth 's oceans causes water to rise and fall.

Output: rising


Input:
Sentence1: Tides are the rising and falling of ocean's water.
Sentence2: the gravitational pull of the Moon on Earth 's oceans causes water to rise and fall.

Output: water


Input:
Sentence1: Balanced eating is a way of eating that promotes good health.
Sentence2: Health means physical health, mental health, social health and spiritual health.

Output: health


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: Worms are prey for birds.

Output: prey


Input:
Sentence1: With the rain comes floods, and with the floods come erosion and landslides.
Sentence2: landslides are caused by rain.

Output: landslides


Input:
Sentence1: threatening behavior causes a fight-or-flight response in animals.
Sentence2: threatening behavior causes stress in animals.

Output: animals


Input:
Sentence1: threatening behavior causes a fight-or-flight response in animals.
Sentence2: threatening behavior causes stress in animals.

Output: behavior


Input:
Sentence1: threatening behavior causes a fight-or-flight response in animals.
Sentence2: threatening behavior causes stress in animals.

Output: causes


Input:
Sentence1: threatening behavior causes a fight-or-flight response in animals.
Sentence2: threatening behavior causes stress in animals.

Output: threatening


Input:
Sentence1: burning fossil fuels increases the carbon in the atmosphere.
Sentence2: Oil is one type of fossil fuel.

Output: fossil


Input:
Sentence1: burning fossil fuels increases the carbon in the atmosphere.
Sentence2: Oil is one type of fossil fuel.

Output: fuels


Input:
Sentence1: Since heat moves from where it's warmer to where it's colder, the thermal energy in the air transfers into the cooler liquid.
Sentence2: heat moves from a warmer object to a cooler object when the two objects touch.

Output: heat


Input:
Sentence1: Adult echinoderms have radial symmetry.
Sentence2: deuterostomes have radial symmetry.

Output: have


Input:
Sentence1: Adult echinoderms have radial symmetry.
Sentence2: deuterostomes have radial symmetry.

Output: radial


Input:
Sentence1: Adult echinoderms have radial symmetry.
Sentence2: deuterostomes have radial symmetry.

Output: symmetry


Input:
Sentence1: Plants release oxygen during the day but not during the night.
Sentence2: Trees release oxygen during the day but not at night.

Output: night


Input:
Sentence1: Plants release oxygen during the day but not during the night.
Sentence2: Trees release oxygen during the day but not at night.

Output: oxygen


Input:
Sentence1: Tectonic plates can contain both continental and oceanic crust F 25.
Sentence2: Crust being pushed together causes earthquakes.

Output: crust


Input:
Sentence1: Any antigen that causes an allergy is called an allergen.
Sentence2: Antigens are proteins foreign to the body.

Output: antigen


Input:
Sentence1: the moon revolving around the Earth causes the phases of the moon.
Sentence2: Phases refer to the different shapes the moon appears from the earth.

Output: moon


Input:
Sentence1: Aging occurs as cells lose their ability to divide.
Sentence2: cells can be damaged when they lose their ability to divide.

Output: ability


Input:
Sentence1: Aging occurs as cells lose their ability to divide.
Sentence2: cells can be damaged when they lose their ability to divide.

Output: divide


Input:
Sentence1: Aging occurs as cells lose their ability to divide.
Sentence2: cells can be damaged when they lose their ability to divide.

Output: lose


Input:
Sentence1: a thermometer is used to measure temperature.
Sentence2: Each fermenter is equipped with a thermometer.

Output: thermometer


Input:
Sentence1: Bees are naturalized on every continent except Antarctica.
Sentence2: With the onset of cold weather, the bees seek overwintering shelter.

Output: Bees


Input:
Sentence1: Fruits develop from the ovary of the flower.
Sentence2: Female gametophytes produce eggs inside the fruit of flowers.

Output: Fruits


Input:
Sentence1: Protozoa can be classified on the basis of how they move.
Sentence2: Cryptosporidium parvum is the hardest protozoa to kill.

Output: Protozoa


Input:
Sentence1: Playing is just one of many ways that mammals and other animals learn how to behave.
Sentence2: Learning and memory are essential to an animal's ability to survive and thrive.

Output: learn


Input:
Sentence1: Jawed fishes have thin skin.
Sentence2: cartilaginous fish have thin skin.

Output: skin


Input:
Sentence1: Jawed fishes have thin skin.
Sentence2: cartilaginous fish have thin skin.

Output: thin


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: Cows, horses, dogs, cats and people are all placental mammals.

Output: Placental


Input:
Sentence1: Placental mammals give birth to relatively large and mature infants.
Sentence2: Cows, horses, dogs, cats and people are all placental mammals.

Output: mammals


Input:
Sentence1: when water freezes , that water expands.
Sentence2: When water freezes it expands and will usually cause damage.

Output: expands


Input:
Sentence1: when water freezes , that water expands.
Sentence2: When water freezes it expands and will usually cause damage.

Output: water


Input:
Sentence1: Plants that are adapted to very dry environments are called xerophytes.
Sentence2: Cacti are adapted to very dry environments.

Output: adapted


Input:
Sentence1: Plants that are adapted to very dry environments are called xerophytes.
Sentence2: Cacti are adapted to very dry environments.

Output: are


Input:
Sentence1: Plants that are adapted to very dry environments are called xerophytes.
Sentence2: Cacti are adapted to very dry environments.

Output: dry


Input:
Sentence1: Plants that are adapted to very dry environments are called xerophytes.
Sentence2: Cacti are adapted to very dry environments.

Output: environments


Input:
Sentence1: Plants that are adapted to very dry environments are called xerophytes.
Sentence2: Cacti are adapted to very dry environments.

Output: very


Input:
Sentence1: if an object is made of a material then that object has the properties of that material.
Sentence2: An object is an item in the real world.

Output: object


Input:
Sentence1: electricity is used as an energy source by electrical devices.
Sentence2: electricity is used as an energy source to electrical outlets.

Output: energy


Input:
Sentence1: electricity is used as an energy source by electrical devices.
Sentence2: electricity is used as an energy source to electrical outlets.

Output: source


Input:
Sentence1: a flashlight requires a source of electricity to produce light.
Sentence2: a battery is a source of electricity able to produce light.

Output: electricity


Input:
Sentence1: a flashlight requires a source of electricity to produce light.
Sentence2: a battery is a source of electricity able to produce light.

Output: light


Input:
Sentence1: a flashlight requires a source of electricity to produce light.
Sentence2: a battery is a source of electricity able to produce light.

Output: produce


Input:
Sentence1: a flashlight requires a source of electricity to produce light.
Sentence2: a battery is a source of electricity able to produce light.

Output: source


Input:
Sentence1: an aquatic animal requires great amounts of water to survive.
Sentence2: Fish can survive in water by using their gills to extract the dissolved oxygen.

Output: survive


Input:
Sentence1: By the time blood leaves capillaries and flows into veins, pressure has decreased greatly.
Sentence2: blood pressure decreases after it leaves the arteries.

Output: pressure


Input:
Sentence1: Cells are organized into tissues, and tissues form organs.
Sentence2: muscles contain cells.

Output: Cells


Input:
Sentence1: Flirting, the first step in the courtship ritual, is essential to modern relationships.
Sentence2: Mating is generally preceded by flirting in a modern relationship.

Output: Flirting


Input:
Sentence1: Flirting, the first step in the courtship ritual, is essential to modern relationships.
Sentence2: Mating is generally preceded by flirting in a modern relationship.

Output: modern


Input:
Sentence1: Flirting, the first step in the courtship ritual, is essential to modern relationships.
Sentence2: Mating is generally preceded by flirting in a modern relationship.

Output: relationships


Input:
Sentence1: Mutations that lead to cancer usually occur in genes that control the cell cycle.
Sentence2: cancer can be inherited.

Output: cancer


Input:
Sentence1: a flashlight requires a source of electricity to produce light.
Sentence2: Electric power sources are ordinary batteries.

Output: electricity


Input:
Sentence1: a flashlight requires a source of electricity to produce light.
Sentence2: Electric power sources are ordinary batteries.

Output: source


Input:
Sentence1: darkness has a negative impact on photosynthesis.
Sentence2: darkness has an impact on the energy the sun releases.

Output: darkness


Input:
Sentence1: darkness has a negative impact on photosynthesis.
Sentence2: darkness has an impact on the energy the sun releases.

Output: impact


Input:
Sentence1: The winter solstice, the seasonal change begins to mark a turning inward time.
Sentence2: On the winter solstice, the amount of daylight will change.

Output: solstice


Input:
Sentence1: The winter solstice, the seasonal change begins to mark a turning inward time.
Sentence2: On the winter solstice, the amount of daylight will change.

Output: winter


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: Similarly, stars are referred to as suns, but our star is the Sun.

Output: sun


Input:
Sentence1: Diaphoresis is a fancy medical term for perspiration or sweating.
Sentence2: Evaporation of perspiration uses energy and the energy comes from body heat.

Output: perspiration


Input:
Sentence1: Winds of 74 mph are the standard for a hurricane.
Sentence2: hurricanes form due to unequal heating of Earth's surface by the Sun.

Output: hurricane


Input:
Sentence1: Each species lasts for a time, sometimes surviving to the present and sometimes going extinct.
Sentence2: Population size influences the chances of going extinct.

Output: extinct


Input:
Sentence1: Each species lasts for a time, sometimes surviving to the present and sometimes going extinct.
Sentence2: Population size influences the chances of going extinct.

Output: going


Input:
Sentence1: Soil can be depleted of nutrients.
Sentence2: An important nutrient commonly added to soil is nitrogen.

Output: nutrients


Input:
Sentence1: And where there's ozone, there's smog.
Sentence2: ozone contains particulates.

Output: ozone


Input:
Sentence1: if a plant requires less water then that plant will survive in a drought.
Sentence2: if a plant requires less water then the plant will survive and is heat tolerent.

Output: less


Input:
Sentence1: if a plant requires less water then that plant will survive in a drought.
Sentence2: if a plant requires less water then the plant will survive and is heat tolerent.

Output: plant


Input:
Sentence1: if a plant requires less water then that plant will survive in a drought.
Sentence2: if a plant requires less water then the plant will survive and is heat tolerent.

Output: requires


Input:
Sentence1: if a plant requires less water then that plant will survive in a drought.
Sentence2: if a plant requires less water then the plant will survive and is heat tolerent.

Output: survive


Input:
Sentence1: if a plant requires less water then that plant will survive in a drought.
Sentence2: if a plant requires less water then the plant will survive and is heat tolerent.

Output: water


Input:
Sentence1: Natural gas also is used to create electricity.
Sentence2: heat and pressure create electricity.

Output: electricity


Input:
Sentence1: Feathers help birds fly and provide insulation.
Sentence2: Feathers help animals in the class Aves fly and give them insulation.

Output: Feathers


Input:
Sentence1: Feathers help birds fly and provide insulation.
Sentence2: Feathers help animals in the class Aves fly and give them insulation.

Output: fly


Input:
Sentence1: Feathers help birds fly and provide insulation.
Sentence2: Feathers help animals in the class Aves fly and give them insulation.

Output: insulation


Input:
Sentence1: An atoll is the third type of reef.
Sentence2: Atolls are built by corals secreting an exoskeleton.

Output: atoll


Input:
Sentence1: Insects hatch from eggs.
Sentence2: heat causes insects to hatch.

Output: Insects


Input:
Sentence1: Insects hatch from eggs.
Sentence2: heat causes insects to hatch.

Output: hatch


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

Output: growth


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

Output: impact


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

Output: looseness


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

Output: plant


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

Output: positive


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

Output: roots'


Input:
Sentence1: touch can be used for detecting texture.
Sentence2: Nerve endings in the dermis are the source of the body's sense of touch.

Output: touch


Input:
Sentence1: Rather, such complex characteristics are polygenic, i.e., they are influenced by multiple genes.
Sentence2: Skin color is influenced by multiple genes.

Output: genes


Input:
Sentence1: Rather, such complex characteristics are polygenic, i.e., they are influenced by multiple genes.
Sentence2: Skin color is influenced by multiple genes.

Output: influenced


Input:
Sentence1: Rather, such complex characteristics are polygenic, i.e., they are influenced by multiple genes.
Sentence2: Skin color is influenced by multiple genes.

Output: multiple


Input:
Sentence1: the movement of tectonic plates causes volcanic eruptions.
Sentence2: Earthquakes and volcanic eruptions can cause tsunamis.

Output: eruptions


Input:
Sentence1: the movement of tectonic plates causes volcanic eruptions.
Sentence2: Earthquakes and volcanic eruptions can cause tsunamis.

Output: volcanic


Input:
Sentence1: Like proteins, DNA and RNA are polymers of various small chemically related molecules.
Sentence2: polymers of various small chemically related molecules can squeeze through pores in the nuclear membrane.

Output: chemically


Input:
Sentence1: Like proteins, DNA and RNA are polymers of various small chemically related molecules.
Sentence2: polymers of various small chemically related molecules can squeeze through pores in the nuclear membrane.

Output: molecules


Input:
Sentence1: Like proteins, DNA and RNA are polymers of various small chemically related molecules.
Sentence2: polymers of various small chemically related molecules can squeeze through pores in the nuclear membrane.

Output: polymers


Input:
Sentence1: Like proteins, DNA and RNA are polymers of various small chemically related molecules.
Sentence2: polymers of various small chemically related molecules can squeeze through pores in the nuclear membrane.

Output: related


Input:
Sentence1: Like proteins, DNA and RNA are polymers of various small chemically related molecules.
Sentence2: polymers of various small chemically related molecules can squeeze through pores in the nuclear membrane.

Output: small


Input:
Sentence1: Like proteins, DNA and RNA are polymers of various small chemically related molecules.
Sentence2: polymers of various small chemically related molecules can squeeze through pores in the nuclear membrane.

Output: various


Input:
Sentence1: the uterus is used in reproduction.
Sentence2: Once embryos are formed, they are placed back into the uterus of the female.

Output: uterus


Input:
Sentence1: Genetic variation is the raw material for evolution.
Sentence2: Mutation leads to evolution.

Output: evolution


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

Output: becoming


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

Output: falls


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

Output: ground


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

Output: groundwater


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

Output: land


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

Output: soak


Input:
Sentence1: plant reproduction often requires pollen.
Sentence2: reproduction requires pollen.

Output: reproduction


Input:
Sentence1: Blood pH may become unbalanced if the rate of breathing is too fast or too slow.
Sentence2: For instance, the normal pH of human blood is maintained at 7.4.

Output: pH


Input:
Sentence1: Carbon may be stored in sedimentary rock for millions of years.
Sentence2: Carbon may be stored in marble for years.

Output: Carbon


Input:
Sentence1: Carbon may be stored in sedimentary rock for millions of years.
Sentence2: Carbon may be stored in marble for years.

Output: may


Input:
Sentence1: Carbon may be stored in sedimentary rock for millions of years.
Sentence2: Carbon may be stored in marble for years.

Output: stored


Input:
Sentence1: Carbon may be stored in sedimentary rock for millions of years.
Sentence2: Carbon may be stored in marble for years.

Output: years


Input:
Sentence1: Biodiversity generally increases from the poles to the equator.
Sentence2: Ecosystem complexity generally increases from the poles to the equator.

Output: equator


Input:
Sentence1: Biodiversity generally increases from the poles to the equator.
Sentence2: Ecosystem complexity generally increases from the poles to the equator.

Output: from


Input:
Sentence1: Biodiversity generally increases from the poles to the equator.
Sentence2: Ecosystem complexity generally increases from the poles to the equator.

Output: generally


Input:
Sentence1: Biodiversity generally increases from the poles to the equator.
Sentence2: Ecosystem complexity generally increases from the poles to the equator.

Output: increases


Input:
Sentence1: Biodiversity generally increases from the poles to the equator.
Sentence2: Ecosystem complexity generally increases from the poles to the equator.

Output: poles


Input:
Sentence1: Air contains oxygen.
Sentence2: air helps cells survive.

Output: Air


Input:
Sentence1: Mutation creates new genetic variation in a gene pool.
Sentence2: Adult genotypes reflect the genes they contribute to the gene pool.

Output: gene


Input:
Sentence1: Mutation creates new genetic variation in a gene pool.
Sentence2: Adult genotypes reflect the genes they contribute to the gene pool.

Output: pool


Input:
Sentence1: an animal usually requires a warm body temperature for survival.
Sentence2: Dormancy is an adaptation that improves the chances of surviving until warm temperatures return.

Output: temperature


Input:
Sentence1: an animal usually requires a warm body temperature for survival.
Sentence2: Dormancy is an adaptation that improves the chances of surviving until warm temperatures return.

Output: warm


Input:
Sentence1: Condoms can break; Condoms can be used incorrectly.
Sentence2: Oil based lubricants should not be used with condoms.

Output: Condoms


Input:
Sentence1: a fire requires oxygen to burn.
Sentence2: If the oxygen is removed, the fire is smothered.

Output: oxygen


Input:
Sentence1: Chemical splash goggles are advised.
Sentence2: Goggles can prevent harm to humans.

Output: goggles


Input:
Sentence1: a telescope is used for observing stars by astronomers.
Sentence2: And, of course, the Sun is a star.

Output: stars


Input:
Sentence1: Echinoderms lack respiratory and excretory systems.
Sentence2: Echinoderms in the diorama include the crinoids and blastoids.

Output: Echinoderms


Input:
Sentence1: temperature changing can cause phase changes.
Sentence2: Temperature change is caused by changing weather patterns.

Output: changing


Input:
Sentence1: temperature changing can cause phase changes.
Sentence2: Temperature change is caused by changing weather patterns.

Output: temperature


Input:
Sentence1: Bacteria may spread directly from one person to another.
Sentence2: microbial control agents may spread directly from one person to another.

Output: another


Input:
Sentence1: Bacteria may spread directly from one person to another.
Sentence2: microbial control agents may spread directly from one person to another.

Output: directly


Input:
Sentence1: Bacteria may spread directly from one person to another.
Sentence2: microbial control agents may spread directly from one person to another.

Output: one


Input:
Sentence1: Bacteria may spread directly from one person to another.
Sentence2: microbial control agents may spread directly from one person to another.

Output: person


Input:
Sentence1: Bacteria may spread directly from one person to another.
Sentence2: microbial control agents may spread directly from one person to another.

Output: spread


Input:
Sentence1: Bryophytes are fungi and they are the most common moss that people think of.
Sentence2: most fungi are small.

Output: fungi


Input:
Sentence1: Adult tunicates are barrel-shaped.
Sentence2: Bluebells are barrel-shaped.

Output: barrel-shaped


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: An automobile changes chemical energy into motion.

Output: automobile


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: An automobile changes chemical energy into motion.

Output: chemical


Input:
Sentence1: an automobile engine transforms chemical energy into mechanical energy.
Sentence2: An automobile changes chemical energy into motion.

Output: energy


Input:
Sentence1: Hormones control many cell activities, so they are very important for homeostasis.
Sentence2: Temperature regulation is an example of homeostasis.

Output: homeostasis


Input:
Sentence1: Bottleneck effect occurs when a population suddenly gets much smaller.
Sentence2: Severe droughts have caused much of the rural population to urbanize.

Output: population


Input:
Sentence1: if an object is made of a material then that object has the properties of that material.
Sentence2: Every object in the game has mass, density, and material properties.

Output: properties


Input:
Sentence1: if an animal sweats then that animal 's bodily water decreases.
Sentence2: Humans are only animals.

Output: animal


Input:
Sentence1: a tape measure is used to measure length.
Sentence2: Length The Base unit for length in the metric system is the meter .

Output: length


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

Output: Male


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

Output: dogs


Input:
Sentence1: Flowing water can slowly dissolve carbon in sedimentary rock.
Sentence2: Flowing water can slowly dissolve carbon in sandstone.

Output: Flowing


Input:
Sentence1: Flowing water can slowly dissolve carbon in sedimentary rock.
Sentence2: Flowing water can slowly dissolve carbon in sandstone.

Output: carbon


Input:
Sentence1: Flowing water can slowly dissolve carbon in sedimentary rock.
Sentence2: Flowing water can slowly dissolve carbon in sandstone.

Output: dissolve


Input:
Sentence1: Flowing water can slowly dissolve carbon in sedimentary rock.
Sentence2: Flowing water can slowly dissolve carbon in sandstone.

Output: water


Input:
Sentence1: Light is electromagnetic radiation.
Sentence2: A bulb requires electrical energy to produce electromagnetic radiation.

Output: electromagnetic


Input:
Sentence1: Light is electromagnetic radiation.
Sentence2: A bulb requires electrical energy to produce electromagnetic radiation.

Output: radiation


Input:
Sentence1: absorbing energy causes objects to heat.
Sentence2: Black objects are the best heat absorbers.

Output: absorbing


Input:
Sentence1: a drought can change the color of an environment from green to brown.
Sentence2: a lack of water can change the color of an environment from green to brown.

Output: brown


Input:
Sentence1: a drought can change the color of an environment from green to brown.
Sentence2: a lack of water can change the color of an environment from green to brown.

Output: change


Input:
Sentence1: a drought can change the color of an environment from green to brown.
Sentence2: a lack of water can change the color of an environment from green to brown.

Output: color


Input:
Sentence1: a drought can change the color of an environment from green to brown.
Sentence2: a lack of water can change the color of an environment from green to brown.

Output: environment


Input:
Sentence1: a drought can change the color of an environment from green to brown.
Sentence2: a lack of water can change the color of an environment from green to brown.

Output: from


Input:
Sentence1: a drought can change the color of an environment from green to brown.
Sentence2: a lack of water can change the color of an environment from green to brown.

Output: green


Input:
Sentence1: Hair is a fiber that is found only in mammals.
Sentence2: Sebaceous glands associated with hair follicles protect the skin of mammals.

Output: Hair


Input:
Sentence1: a mold spore has a negative impact on the respiratory system.
Sentence2: Major components of the respiratory system are the lungs, trachea, nose, and the cell.

Output: respiratory


Input:
Sentence1: a mold spore has a negative impact on the respiratory system.
Sentence2: Major components of the respiratory system are the lungs, trachea, nose, and the cell.

Output: system


Input:
Sentence1: Sweating reduces body heat.
Sentence2: sweating can cause cramps.

Output: Sweating


Input:
Sentence1: Exospores and endospores are produced by some members of the cyanobacteria.
Sentence2: cyanobacteria are commonly found in soil and water.

Output: cyanobacteria


Input:
Sentence1: Movies are images and moving pictures.
Sentence2: A camera is used for recording still and moving pictures.

Output: moving


Input:
Sentence1: Movies are images and moving pictures.
Sentence2: A camera is used for recording still and moving pictures.

Output: pictures


Input:
Sentence1: On the other hand, wooden bats are made from trees.
Sentence2: sandpaper is used to smooth trees.

Output: trees


Input:
Sentence1: Caecilians can be found in moist soil near rivers and streams in tropical regions.
Sentence2: Caecilians are amphibians that move just like earthworms.

Output: Caecilians


Input:
Sentence1: force causes the speed of an object to increase.
Sentence2: force can be dangerous.

Output: force


Input:
Sentence1: Like the retina of the eye, the intense light of the Sun can burn the imager damaging the camcorder.
Sentence2: Looking at bright objects have a negative impact on the retina.

Output: retina


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

Output: causes


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

Output: food


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

Output: sweet


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

Output: taste


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

Output: to


Input:
Sentence1: a light bulb requires electrical energy to produce light.
Sentence2: Electrical energy is also energy.

Output: electrical


Input:
Sentence1: Erosion is loss of soil caused by rain and wind.
Sentence2: Wind and rain cause a river to become deeper and wider.

Output: rain


Input:
Sentence1: Erosion is loss of soil caused by rain and wind.
Sentence2: Wind and rain cause a river to become deeper and wider.

Output: wind


Input:
Sentence1: Skin color is another polygenic trait.
Sentence2: Skin color occurs over a wide range.

Output: Skin


Input:
Sentence1: Skin color is another polygenic trait.
Sentence2: Skin color occurs over a wide range.

Output: color


Input:
Sentence1: Female monotremes lack a uterus and vagina.
Sentence2: Platypus and echidna lack a uterus and vagina.

Output: lack


Input:
Sentence1: Female monotremes lack a uterus and vagina.
Sentence2: Platypus and echidna lack a uterus and vagina.

Output: uterus


Input:
Sentence1: Female monotremes lack a uterus and vagina.
Sentence2: Platypus and echidna lack a uterus and vagina.

Output: vagina


Input:
Sentence1: Echinoderms have a hydraulic system of locomotion called the water vascular system.
Sentence2: Echinoderms have a hydraulic system of locomotion with tube feet.

Output: hydraulic


Input:
Sentence1: Echinoderms have a hydraulic system of locomotion called the water vascular system.
Sentence2: Echinoderms have a hydraulic system of locomotion with tube feet.

Output: locomotion


Input:
Sentence1: Echinoderms have a hydraulic system of locomotion called the water vascular system.
Sentence2: Echinoderms have a hydraulic system of locomotion with tube feet.

Output: system


Input:
Sentence1: Sweat is released from sweat glands beneath the skin, and as it evaporates, the skin is cooled.
Sentence2: when the body is hot, evaporation is used to cool the body.

Output: evaporates


Input:
Sentence1: condensation is when change from a gas into a liquid by reducing heat energy.
Sentence2: Condensation is the reverse of vaporization , or change from liquid to gas.

Output: condensation


Input:
Sentence1: condensation is when change from a gas into a liquid by reducing heat energy.
Sentence2: Condensation is the reverse of vaporization , or change from liquid to gas.

Output: gas


Input:
Sentence1: condensation is when change from a gas into a liquid by reducing heat energy.
Sentence2: Condensation is the reverse of vaporization , or change from liquid to gas.

Output: liquid


Input:
Sentence1: fire converts chemical energy into light and heat energy.
Sentence2: Lightning is also a cause of fires.

Output: fire


Input:
Sentence1: a circle graph can be used to display percents.
Sentence2: percentages can be used to show data.

Output: percents


Input:
Sentence1: Cancer cells divide more often than normal cells, and grow out of control.
Sentence2: Mutation can cause growth out of control.

Output: control


Input:
Sentence1: Cancer cells divide more often than normal cells, and grow out of control.
Sentence2: Mutation can cause growth out of control.

Output: grow


Input:
Sentence1: Cancer cells divide more often than normal cells, and grow out of control.
Sentence2: Mutation can cause growth out of control.

Output: out


Input:
Sentence1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins.
Sentence2: RNA hybrids are then detected by a luminometer.

Output: RNA


Input:
Sentence1: the Himalayas were formed by rock folding.
Sentence2: The Himalayas were formed by earthquakes.

Output: Himalayas


Input:
Sentence1: the Himalayas were formed by rock folding.
Sentence2: The Himalayas were formed by earthquakes.

Output: formed


Input:
Sentence1: irradiating food can be used to kill existing microorganisms in the food.
Sentence2: Bacterial microorganisms are representative of these biological factors, and e-coli food poisoning is a good example.

Output: microorganisms


Input:
Sentence1: if an animal lives under ground then that animal will be protected from a wild fire.
Sentence2: An animal living underground will be protected from an elemental part of the ecosystem.

Output: animal


Input:
Sentence1: if an animal lives under ground then that animal will be protected from a wild fire.
Sentence2: An animal living underground will be protected from an elemental part of the ecosystem.

Output: ground


Input:
Sentence1: if an animal lives under ground then that animal will be protected from a wild fire.
Sentence2: An animal living underground will be protected from an elemental part of the ecosystem.

Output: lives


Input:
Sentence1: if an animal lives under ground then that animal will be protected from a wild fire.
Sentence2: An animal living underground will be protected from an elemental part of the ecosystem.

Output: protected


Input:
Sentence1: if an animal lives under ground then that animal will be protected from a wild fire.
Sentence2: An animal living underground will be protected from an elemental part of the ecosystem.

Output: under


Input:
Sentence1: Weather changes from season to season.
Sentence2: Weather causes change to the environment.

Output: Weather


Input:
Sentence1: Mammals that are viviparous are called therian mammals.
Sentence2: Whale sharks are called therian mammals.

Output: are


Input:
Sentence1: Mammals that are viviparous are called therian mammals.
Sentence2: Whale sharks are called therian mammals.

Output: called


Input:
Sentence1: Mammals that are viviparous are called therian mammals.
Sentence2: Whale sharks are called therian mammals.

Output: mammals


Input:
Sentence1: Mammals that are viviparous are called therian mammals.
Sentence2: Whale sharks are called therian mammals.

Output: therian


Input:
Sentence1: Ants communicate with chemicals called pheromones.
Sentence2: Pheromones are a sub-category of semiochemicals.

Output: pheromones


Input:
Sentence1: Oxygen is essential for cellular respiration for all aerobic organisms.
Sentence2: oxygen is essential for cellular respiration for fungi.

Output: Oxygen


Input:
Sentence1: Oxygen is essential for cellular respiration for all aerobic organisms.
Sentence2: oxygen is essential for cellular respiration for fungi.

Output: cellular


Input:
Sentence1: Oxygen is essential for cellular respiration for all aerobic organisms.
Sentence2: oxygen is essential for cellular respiration for fungi.

Output: essential


Input:
Sentence1: Oxygen is essential for cellular respiration for all aerobic organisms.
Sentence2: oxygen is essential for cellular respiration for fungi.

Output: respiration


Input:
Sentence1: An airplane is a vehicle that is capable of leaving the ground and flying through the air.
Sentence2: An airplane can be used to travel high above the ground.

Output: airplane


Input:
Sentence1: Endocrine hormones travel throughout the body in the blood.
Sentence2: Breathing affects the flow of hormones through the endocrine system.

Output: Endocrine


Input:
Sentence1: rest has a positive impact on a health.
Sentence2: Enhances sleep patterns and supports restful sleep.

Output: rest


Input:
Sentence1: When the magma cools and hardens, it turns into igneous rock.
Sentence2: magma turns into igneous rocks.

Output: igneous


Input:
Sentence1: Sight is the ability to sense light, and the eye is the organ that senses light.
Sentence2: Without light there is no sense of vision.

Output: light


Input:
Sentence1: recycling has a positive impact on the environment.
Sentence2: Recycling means reusing things.

Output: recycling


Input:
Sentence1: Bound and free ribosomes are structurally identical and interchangeable.
Sentence2: Bound and free structures are in the cytoplasm where proteins are made.

Output: Bound


Input:
Sentence1: Bound and free ribosomes are structurally identical and interchangeable.
Sentence2: Bound and free structures are in the cytoplasm where proteins are made.

Output: free


Input:
Sentence1: Bound and free ribosomes are structurally identical and interchangeable.
Sentence2: Bound and free structures are in the cytoplasm where proteins are made.

Output: structurally


Input:
Sentence1: Girls have played with dolls for generations.
Sentence2: Girls have used dolls to learn behaviors for generations.

Output: Girls


Input:
Sentence1: Girls have played with dolls for generations.
Sentence2: Girls have used dolls to learn behaviors for generations.

Output: dolls


Input:
Sentence1: Girls have played with dolls for generations.
Sentence2: Girls have used dolls to learn behaviors for generations.

Output: generations


Input:
Sentence1: thick fur can be used for keeping warm.
Sentence2: foxes warm up with fur.

Output: fur


Input:
Sentence1: Protozoa make humans sick when they become human parasites.
Sentence2: Species of Sarcocystis can parasitize humans and make them sick.

Output: human


Input:
Sentence1: Protozoa make humans sick when they become human parasites.
Sentence2: Species of Sarcocystis can parasitize humans and make them sick.

Output: make


Input:
Sentence1: Protozoa make humans sick when they become human parasites.
Sentence2: Species of Sarcocystis can parasitize humans and make them sick.

Output: parasites


Input:
Sentence1: Protozoa make humans sick when they become human parasites.
Sentence2: Species of Sarcocystis can parasitize humans and make them sick.

Output: sick


Input:
Sentence1: Viruses are usually considered to be nonliving.
Sentence2: Variola major, the virus that causes smallpox, is considered a potential bioterrorism agent.

Output: Viruses


Input:
Sentence1: Viruses are usually considered to be nonliving.
Sentence2: Variola major, the virus that causes smallpox, is considered a potential bioterrorism agent.

Output: considered


Input:
Sentence1: Plants use sunlight for photosynthesis.
Sentence2: if a tree falls then photosythesis becomes more accessible to surrounding plants.

Output: photosynthesis


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: When the immune system recognizes a foreign substance, antibodies are produced.

Output: foreign


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: When the immune system recognizes a foreign substance, antibodies are produced.

Output: immune


Input:
Sentence1: Antigens are molecules that the immune system recognizes as foreign to the body.
Sentence2: When the immune system recognizes a foreign substance, antibodies are produced.

Output: system


Input:
Sentence1: burning fossil fuels increases the carbon in the atmosphere.
Sentence2: More carbon in the atmosphere means atmospheric warming.

Output: carbon


Input:
Sentence1: Blood is composed of plasma and formed elements.
Sentence2: plasma and formed elements is a fluid connective tissue.

Output: elements


Input:
Sentence1: Blood is composed of plasma and formed elements.
Sentence2: plasma and formed elements is a fluid connective tissue.

Output: formed


Input:
Sentence1: Blood is composed of plasma and formed elements.
Sentence2: plasma and formed elements is a fluid connective tissue.

Output: plasma


Input:
Sentence1: coal is used to produce electricity by burning in coal-fire power stations.
Sentence2: Coal produces electricity by being heated up in coal-fire power stations.

Output: coal


Input:
Sentence1: coal is used to produce electricity by burning in coal-fire power stations.
Sentence2: Coal produces electricity by being heated up in coal-fire power stations.

Output: coal-fire


Input:
Sentence1: coal is used to produce electricity by burning in coal-fire power stations.
Sentence2: Coal produces electricity by being heated up in coal-fire power stations.

Output: electricity


Input:
Sentence1: coal is used to produce electricity by burning in coal-fire power stations.
Sentence2: Coal produces electricity by being heated up in coal-fire power stations.

Output: power


Input:
Sentence1: coal is used to produce electricity by burning in coal-fire power stations.
Sentence2: Coal produces electricity by being heated up in coal-fire power stations.

Output: produce


Input:
Sentence1: coal is used to produce electricity by burning in coal-fire power stations.
Sentence2: Coal produces electricity by being heated up in coal-fire power stations.

Output: stations


Input:
Sentence1: Aerosol is a collection of particulates.
Sentence2: aerosol contributes to smog.

Output: Aerosol


Input:
Sentence1: Antibiotics have no effect on viruses.
Sentence2: Infection with Cyclospora is treatable with antibiotics.

Output: Antibiotics


Input:
Sentence1: conserving water can be used for survival in a dry environment.
Sentence2: Also, camels conserve their water.

Output: conserving


Input:
Sentence1: conserving water can be used for survival in a dry environment.
Sentence2: Also, camels conserve their water.

Output: water


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring then that species will likely be gone forever.

Output: all


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring then that species will likely be gone forever.

Output: cannot


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring then that species will likely be gone forever.

Output: likely


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring then that species will likely be gone forever.

Output: members


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring then that species will likely be gone forever.

Output: offspring


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring then that species will likely be gone forever.

Output: produce


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring then that species will likely be gone forever.

Output: species


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring then that species will likely be gone forever.

Output: that


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring then that species will likely be gone forever.

Output: then


Input:
Sentence1: if all members of a species cannot produce offspring then that species will likely become extinct.
Sentence2: if all members of a species cannot produce offspring then that species will likely be gone forever.

Output: will


Input:
Sentence1: All plants are of bush type.
Sentence2: bushes have a life cycle that includes alternation of generations.

Output: bush


Input:
Sentence1: Amphibians are the first true tetrapods, or vertebrates with four limbs.
Sentence2: Frogs are classified as amphibians.

Output: Amphibians


Input:
Sentence1: planting trees has a positive impact on an ecosystem.
Sentence2: Human beings live within the world's ecosystems.

Output: ecosystem


Input:
Sentence1: heat can change the state of matter.
Sentence2: Plasma, the fourth state of matter, can be created on earth by supplying sufficient heat.

Output: matter


Input:
Sentence1: Mutualism is a symbiotic relationship in which both species benefit.
Sentence2: Mutualism is an association between two different species which benefits each species.

Output: Mutualism


Input:
Sentence1: Female gametes are eggs or ova.
Sentence2: Meiosis produces eggs or ova?.

Output: eggs


Input:
Sentence1: Female gametes are eggs or ova.
Sentence2: Meiosis produces eggs or ova?.

Output: ova


Input:
Sentence1: a flashlight converts chemical energy into light energy.
Sentence2: Only as long as there are batteries in the flashlight, the flashlight will function.

Output: flashlight


Input:
Sentence1: Sex hormones are chemical messengers that control sexual development and reproduction.
Sentence2: androgens are chemical messengers.

Output: chemical


Input:
Sentence1: Sex hormones are chemical messengers that control sexual development and reproduction.
Sentence2: androgens are chemical messengers.

Output: messengers


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

Output: grow


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

Output: nutrients


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

Output: requires


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

Output: to


Input:
Sentence1: Biomes are global ecosystems.
Sentence2: Energy enters biomes in the form of sunlight or chemical compounds.

Output: Biomes


Input:
Sentence1: sandpaper is used to smooth wooden objects.
Sentence2: Sandpaper is used to smooth log cabins.

Output: sandpaper


Input:
Sentence1: sandpaper is used to smooth wooden objects.
Sentence2: Sandpaper is used to smooth log cabins.

Output: smooth


Input:
Sentence1: Wind erosion severely damages soils and crops.
Sentence2: Wind can severely damage soils and crops.

Output: crops


Input:
Sentence1: Wind erosion severely damages soils and crops.
Sentence2: Wind can severely damage soils and crops.

Output: damages


Input:
Sentence1: Wind erosion severely damages soils and crops.
Sentence2: Wind can severely damage soils and crops.

Output: soils


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

Output: energy


Input:
Sentence1: Because reptiles are vertebrates, they are chordates.
Sentence2: vertebrates have a complete digestive system and a closed circulatory system.

Output: vertebrates


Input:
Sentence1: Light bulbs are rated in Watts.
Sentence2: converts electrical energy into light energy which are rated in watts.

Output: Watts


Input:
Sentence1: Light bulbs are rated in Watts.
Sentence2: converts electrical energy into light energy which are rated in watts.

Output: in


Input:
Sentence1: Light bulbs are rated in Watts.
Sentence2: converts electrical energy into light energy which are rated in watts.

Output: rated


Input:
Sentence1: Animals sense their surroundings differently than humans.
Sentence2: Animals can see differently than humans.

Output: differently


Input:
Sentence1: Animals sense their surroundings differently than humans.
Sentence2: Animals can see differently than humans.

Output: humans


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

Output: body


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

Output: harmful


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

Output: protecting


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

Output: substances


Input:
Sentence1: What semen is, is a carrier for the sperm contained in it.
Sentence2: semen goes from male to female reproductive organs for fertilization.

Output: semen


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

Output: pairs


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

Output: two


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

Output: wings


Input:
Sentence1: Cells are organized into tissues, and tissues form organs.
Sentence2: Stem cells are cells that can become many tissues and organs.

Output: tissues


Input:
Sentence1: Fish have a centralized nervous system with a brain.
Sentence2: Amphetamines stimulate the central nervous system.

Output: centralized


Input:
Sentence1: Fish have a centralized nervous system with a brain.
Sentence2: Amphetamines stimulate the central nervous system.

Output: nervous


Input:
Sentence1: Fish have a centralized nervous system with a brain.
Sentence2: Amphetamines stimulate the central nervous system.

Output: system


Input:
Sentence1: Chlorophyll gives plants a green color.
Sentence2: nitrogen is found in what gives plants a green color.

Output: color


Input:
Sentence1: Chlorophyll gives plants a green color.
Sentence2: nitrogen is found in what gives plants a green color.

Output: gives


Input:
Sentence1: Chlorophyll gives plants a green color.
Sentence2: nitrogen is found in what gives plants a green color.

Output: green


Input:
Sentence1: Chlorophyll gives plants a green color.
Sentence2: nitrogen is found in what gives plants a green color.

Output: plants


Input:
Sentence1: chlorophyll is used for absorbing light energy by plants.
Sentence2: Chlorophyll is a complex molecule.

Output: chlorophyll


Input:
Sentence1: conserving water can be used for survival in a dry environment.
Sentence2: conserving water can be used for survival in deserts.

Output: conserving


Input:
Sentence1: conserving water can be used for survival in a dry environment.
Sentence2: conserving water can be used for survival in deserts.

Output: survival


Input:
Sentence1: conserving water can be used for survival in a dry environment.
Sentence2: conserving water can be used for survival in deserts.

Output: used


Input:
Sentence1: conserving water can be used for survival in a dry environment.
Sentence2: conserving water can be used for survival in deserts.

Output: water


Input:
Sentence1: when a river floods , that river deposits soil in flood plains.
Sentence2: when a river floods, it deposits soil in generally marshy areas.

Output: deposits


Input:
Sentence1: when a river floods , that river deposits soil in flood plains.
Sentence2: when a river floods, it deposits soil in generally marshy areas.

Output: floods


Input:
Sentence1: when a river floods , that river deposits soil in flood plains.
Sentence2: when a river floods, it deposits soil in generally marshy areas.

Output: river


Input:
Sentence1: when a river floods , that river deposits soil in flood plains.
Sentence2: when a river floods, it deposits soil in generally marshy areas.

Output: soil


Input:
Sentence1: Birds have very large chest muscles called pectorals which are used to flap the wings.
Sentence2: Birds use pectorals to move their wings.

Output: pectorals


Input:
Sentence1: Secondary meristem is located within and around the vascular tissues.
Sentence2: Vascular tissue is a conducting tissue type.

Output: vascular


Input:
Sentence1: Most major Atlantic hurricanes start as small disturbances moving westward off Africa.
Sentence2: When something that starts as a small disturbance moving westward off Africa then moves over land, it will decrease in strength.

Output: Africa


Input:
Sentence1: Most major Atlantic hurricanes start as small disturbances moving westward off Africa.
Sentence2: When something that starts as a small disturbance moving westward off Africa then moves over land, it will decrease in strength.

Output: disturbances


Input:
Sentence1: Most major Atlantic hurricanes start as small disturbances moving westward off Africa.
Sentence2: When something that starts as a small disturbance moving westward off Africa then moves over land, it will decrease in strength.

Output: moving


Input:
Sentence1: Most major Atlantic hurricanes start as small disturbances moving westward off Africa.
Sentence2: When something that starts as a small disturbance moving westward off Africa then moves over land, it will decrease in strength.

Output: small


Input:
Sentence1: Most major Atlantic hurricanes start as small disturbances moving westward off Africa.
Sentence2: When something that starts as a small disturbance moving westward off Africa then moves over land, it will decrease in strength.

Output: westward


Input:
Sentence1: Scientists who find and study fossils are called paleontologists.
Sentence2: Scientists who find and study old bones are called palentologists.

Output: Scientists


Input:
Sentence1: Scientists who find and study fossils are called paleontologists.
Sentence2: Scientists who find and study old bones are called palentologists.

Output: and


Input:
Sentence1: Scientists who find and study fossils are called paleontologists.
Sentence2: Scientists who find and study old bones are called palentologists.

Output: are


Input:
Sentence1: Scientists who find and study fossils are called paleontologists.
Sentence2: Scientists who find and study old bones are called palentologists.

Output: called


Input:
Sentence1: Scientists who find and study fossils are called paleontologists.
Sentence2: Scientists who find and study old bones are called palentologists.

Output: find


Input:
Sentence1: Scientists who find and study fossils are called paleontologists.
Sentence2: Scientists who find and study old bones are called palentologists.

Output: paleontologists


Input:
Sentence1: Scientists who find and study fossils are called paleontologists.
Sentence2: Scientists who find and study old bones are called palentologists.

Output: study


Input:
Sentence1: Scientists who find and study fossils are called paleontologists.
Sentence2: Scientists who find and study old bones are called palentologists.

Output: who


Input:
Sentence1: most canyons are formed by flowing rivers through erosion over long periods of time.
Sentence2: Any erosion can be devastating.

Output: erosion


Input:
Sentence1: zinc has a positive impact on the healing of wounds.
Sentence2: An incised wound is a clean cut.

Output: wounds


Input:
Sentence1: Ants communicate with chemicals called pheromones.
Sentence2: Ants communicate with semiochemicals.

Output: Ants


Input:
Sentence1: Ants communicate with chemicals called pheromones.
Sentence2: Ants communicate with semiochemicals.

Output: communicate


Input:
Sentence1: Ants communicate with chemicals called pheromones.
Sentence2: Ants communicate with semiochemicals.

Output: with


Input:
Sentence1: hearing is used for sensing sound by animals.
Sentence2: functioning ears are used for sensing sound by animals.

Output: animals


Input:
Sentence1: hearing is used for sensing sound by animals.
Sentence2: functioning ears are used for sensing sound by animals.

Output: for


Input:
Sentence1: hearing is used for sensing sound by animals.
Sentence2: functioning ears are used for sensing sound by animals.

Output: sensing


Input:
Sentence1: hearing is used for sensing sound by animals.
Sentence2: functioning ears are used for sensing sound by animals.

Output: sound


Input:
Sentence1: hearing is used for sensing sound by animals.
Sentence2: functioning ears are used for sensing sound by animals.

Output: used


Input:
Sentence1: Energy is consumed in the contraction of the muscles.
Sentence2: straightening an elbow consumes energy.

Output: Energy


Input:
Sentence1: Energy is consumed in the contraction of the muscles.
Sentence2: straightening an elbow consumes energy.

Output: consumed


Input:
Sentence1: living underground can be used for hiding from predators.
Sentence2: Some animals have underground habitats.

Output: underground


Input:
Sentence1: gills are used for breathing water by aquatic animals.
Sentence2: gills are used for breathing water by sharks.

Output: are


Input:
Sentence1: gills are used for breathing water by aquatic animals.
Sentence2: gills are used for breathing water by sharks.

Output: breathing


Input:
Sentence1: gills are used for breathing water by aquatic animals.
Sentence2: gills are used for breathing water by sharks.

Output: by


Input:
Sentence1: gills are used for breathing water by aquatic animals.
Sentence2: gills are used for breathing water by sharks.

Output: for


Input:
Sentence1: gills are used for breathing water by aquatic animals.
Sentence2: gills are used for breathing water by sharks.

Output: gills


Input:
Sentence1: gills are used for breathing water by aquatic animals.
Sentence2: gills are used for breathing water by sharks.

Output: used


Input:
Sentence1: gills are used for breathing water by aquatic animals.
Sentence2: gills are used for breathing water by sharks.

Output: water


Input:
Sentence1: harming an animal species causes that animal 's population to decrease.
Sentence2: If mortality is greater, then the population decreases.

Output: decrease


Input:
Sentence1: Petals attract pollinators to the flower.
Sentence2: Hummingbirds are the most common bird pollinators.

Output: pollinators


Input:
Sentence1: Deep burrowing earthworms improve soil porosity, water movement and plant root growth.
Sentence2: Deep burrowing earthworms improve looseness of soil for root growth.

Output: Deep


Input:
Sentence1: Deep burrowing earthworms improve soil porosity, water movement and plant root growth.
Sentence2: Deep burrowing earthworms improve looseness of soil for root growth.

Output: burrowing


Input:
Sentence1: Deep burrowing earthworms improve soil porosity, water movement and plant root growth.
Sentence2: Deep burrowing earthworms improve looseness of soil for root growth.

Output: earthworms


Input:
Sentence1: Deep burrowing earthworms improve soil porosity, water movement and plant root growth.
Sentence2: Deep burrowing earthworms improve looseness of soil for root growth.

Output: improve


Input:
Sentence1: Climate, on the other hand, looks at long-term averages of weather conditions.
Sentence2: Climate looks at long-term averages in an area over a long period of time.

Output: averages


Input:
Sentence1: Climate, on the other hand, looks at long-term averages of weather conditions.
Sentence2: Climate looks at long-term averages in an area over a long period of time.

Output: long-term


Input:
Sentence1: Climate, on the other hand, looks at long-term averages of weather conditions.
Sentence2: Climate looks at long-term averages in an area over a long period of time.

Output: looks


Input:
Sentence1: Gastropods are snails and slugs.
Sentence2: Hermit crabs use shells of gastropods for homes.

Output: Gastropods


Input:
Sentence1: Fingernails are also made of keratin.
Sentence2: Keratin forming over the ends of fingers prevents injury.

Output: keratin


Input:
Sentence1: Earth's Atmosphere Earth's atmosphere is the layer of gasses that surrounds the earth.
Sentence2: transpiration is when water vapor moves from plants into the layer of gasses that surrounds the earth.

Output: earth


Input:
Sentence1: Earth's Atmosphere Earth's atmosphere is the layer of gasses that surrounds the earth.
Sentence2: transpiration is when water vapor moves from plants into the layer of gasses that surrounds the earth.

Output: gasses


Input:
Sentence1: Earth's Atmosphere Earth's atmosphere is the layer of gasses that surrounds the earth.
Sentence2: transpiration is when water vapor moves from plants into the layer of gasses that surrounds the earth.

Output: layer


Input:
Sentence1: Earth's Atmosphere Earth's atmosphere is the layer of gasses that surrounds the earth.
Sentence2: transpiration is when water vapor moves from plants into the layer of gasses that surrounds the earth.

Output: surrounds


Input:
Sentence1: hiding can be used for avoiding predators.
Sentence2: Camouflage is used for avoiding predators.

Output: avoiding


Input:
Sentence1: hiding can be used for avoiding predators.
Sentence2: Camouflage is used for avoiding predators.

Output: predators


Input:
Sentence1: Hemoglobin transports oxygen in blood.
Sentence2: breathing is when a gill converts from oxygen in water into Hemoglobin.

Output: Hemoglobin


Input:
Sentence1: Centrioles come in pairs.
Sentence2: Something that comes in pairs are organelles involved in cell division.

Output: come


Input:
Sentence1: Centrioles come in pairs.
Sentence2: Something that comes in pairs are organelles involved in cell division.

Output: pairs


Input:
Sentence1: Birds are endothermic tetrapod vertebrates.
Sentence2: hooded vultures are endothermic tetrapod vertebrates.

Output: endothermic


Input:
Sentence1: Birds are endothermic tetrapod vertebrates.
Sentence2: hooded vultures are endothermic tetrapod vertebrates.

Output: tetrapod


Input:
Sentence1: Birds are endothermic tetrapod vertebrates.
Sentence2: hooded vultures are endothermic tetrapod vertebrates.

Output: vertebrates


Input:
Sentence1: treating water is used to remove harmful substances before drinking.
Sentence2: treating water can prevent death.

Output: treating


Input:
Sentence1: treating water is used to remove harmful substances before drinking.
Sentence2: treating water can prevent death.

Output: water


Input:
Sentence1: using a car causes pollution.
Sentence2: Air pollution Air pollution is a major threat to health.

Output: pollution


Input:
Sentence1: a glacier causes mechanical weathering.
Sentence2: Mechanical weathering creates sediment that is transported via wind, water, and ice.

Output: mechanical


Input:
Sentence1: a glacier causes mechanical weathering.
Sentence2: Mechanical weathering creates sediment that is transported via wind, water, and ice.

Output: weathering


Input:
Sentence1: Helpful Generalizations Vapors and gases are molecules.
Sentence2: vapors from burning coal and oil dissolving in water in the atmosphere causes acid rain.

Output: Vapors


Input:
Sentence1: a switch is used to start the flow of current in an electrical circuit.
Sentence2: A light turns on when the switch is open so the current can flow.

Output: current


Input:
Sentence1: a switch is used to start the flow of current in an electrical circuit.
Sentence2: A light turns on when the switch is open so the current can flow.

Output: flow


Input:
Sentence1: Cancer genes can be inherited.
Sentence2: Cancer genes can be genetic.

Output: Cancer


Input:
Sentence1: Cancer genes can be inherited.
Sentence2: Cancer genes can be genetic.

Output: be


Input:
Sentence1: Cancer genes can be inherited.
Sentence2: Cancer genes can be genetic.

Output: can


Input:
Sentence1: Cancer genes can be inherited.
Sentence2: Cancer genes can be genetic.

Output: genes


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

Output: Flowers


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

Output: develop


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

Output: produce


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

Output: spores


Input:
Sentence1: Marine species live mainly in shallow coastal waters.
Sentence2: marine species live mainly in warm waters.

Output: Marine


Input:
Sentence1: Marine species live mainly in shallow coastal waters.
Sentence2: marine species live mainly in warm waters.

Output: species


Input:
Sentence1: conserving resources has a positive impact on the environment.
Sentence2: Recycling has a positive impact on the environment.

Output: environment


Input:
Sentence1: conserving resources has a positive impact on the environment.
Sentence2: Recycling has a positive impact on the environment.

Output: impact


Input:
Sentence1: conserving resources has a positive impact on the environment.
Sentence2: Recycling has a positive impact on the environment.

Output: positive


Input:
Sentence1: seconds are used to measure time.
Sentence2: seconds can be used to measure Speed.

Output: measure


Input:
Sentence1: seconds are used to measure time.
Sentence2: seconds can be used to measure Speed.

Output: seconds


Input:
Sentence1: seconds are used to measure time.
Sentence2: seconds can be used to measure Speed.

Output: used


Input:
Sentence1: Mechanical weathering produces detritus.
Sentence2: A glacier can produce detritus.

Output: detritus


Input:
Sentence1: Mechanical weathering produces detritus.
Sentence2: A glacier can produce detritus.

Output: produces


Input:
Sentence1: Cold fronts bring in the rain.
Sentence2: Cold fronts can cause a rainbow.

Output: Cold


Input:
Sentence1: Cold fronts bring in the rain.
Sentence2: Cold fronts can cause a rainbow.

Output: fronts


Input:
Sentence1: Kids are fascinated with airplanes.
Sentence2: Kids are fascinated with moving people.

Output: Kids


Input:
Sentence1: a plants require water for survival.
Sentence2: plants require hydrogen for their survival.

Output: plants


Input:
Sentence1: a plants require water for survival.
Sentence2: plants require hydrogen for their survival.

Output: survival


Input:
Sentence1: Balance is a proprioceptive function.
Sentence2: proprioceptive functions allow one to sense and maintain body position.

Output: function


Input:
Sentence1: Balance is a proprioceptive function.
Sentence2: proprioceptive functions allow one to sense and maintain body position.

Output: proprioceptive


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

Output: a


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

Output: lifting


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

Output: pulley


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

Output: used


Input:
Sentence1: optical tools are used for observing materials up close.
Sentence2: Optical tools are used for observing things that are smaller than they appear.

Output: observing


Input:
Sentence1: optical tools are used for observing materials up close.
Sentence2: Optical tools are used for observing things that are smaller than they appear.

Output: optical


Input:
Sentence1: optical tools are used for observing materials up close.
Sentence2: Optical tools are used for observing things that are smaller than they appear.

Output: tools


Input:
Sentence1: optical tools are used for observing materials up close.
Sentence2: Optical tools are used for observing things that are smaller than they appear.

Output: used


Input:
Sentence1: Sperm are deposited in the vagina during sexual intercourse.
Sentence2: Pregnancy is evidence of sperm being deposited in the vagina.

Output: Sperm


Input:
Sentence1: Sperm are deposited in the vagina during sexual intercourse.
Sentence2: Pregnancy is evidence of sperm being deposited in the vagina.

Output: deposited


Input:
Sentence1: Sperm are deposited in the vagina during sexual intercourse.
Sentence2: Pregnancy is evidence of sperm being deposited in the vagina.

Output: vagina


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

Output: cnidarians


Input:
Sentence1: a calculator is used for adding.
Sentence2: arithmetic includes uses for subtraction.

Output: used


Input:
Sentence1: Passive immunity lasts only as long as the antibodies survive in body fluids.
Sentence2: Booster shots are needed after antibodies won't survive in body fluids.

Output: antibodies


Input:
Sentence1: Passive immunity lasts only as long as the antibodies survive in body fluids.
Sentence2: Booster shots are needed after antibodies won't survive in body fluids.

Output: body


Input:
Sentence1: Passive immunity lasts only as long as the antibodies survive in body fluids.
Sentence2: Booster shots are needed after antibodies won't survive in body fluids.

Output: fluids


Input:
Sentence1: Passive immunity lasts only as long as the antibodies survive in body fluids.
Sentence2: Booster shots are needed after antibodies won't survive in body fluids.

Output: survive


Input:
Sentence1: Every photograph is produced by a camera.
Sentence2: Photographers record images.

Output: photograph


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

Output: cell


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

Output: walls


Input:
Sentence1: Mutations that lead to cancer usually occur in genes that control the cell cycle.
Sentence2: Free radicals that eventually lead to cell death usually occur in genes that control the cell cycle.

Output: cell


Input:
Sentence1: Mutations that lead to cancer usually occur in genes that control the cell cycle.
Sentence2: Free radicals that eventually lead to cell death usually occur in genes that control the cell cycle.

Output: control


Input:
Sentence1: Mutations that lead to cancer usually occur in genes that control the cell cycle.
Sentence2: Free radicals that eventually lead to cell death usually occur in genes that control the cell cycle.

Output: cycle


Input:
Sentence1: Mutations that lead to cancer usually occur in genes that control the cell cycle.
Sentence2: Free radicals that eventually lead to cell death usually occur in genes that control the cell cycle.

Output: genes


Input:
Sentence1: Mutations that lead to cancer usually occur in genes that control the cell cycle.
Sentence2: Free radicals that eventually lead to cell death usually occur in genes that control the cell cycle.

Output: occur


Input:
Sentence1: Mutations that lead to cancer usually occur in genes that control the cell cycle.
Sentence2: Free radicals that eventually lead to cell death usually occur in genes that control the cell cycle.

Output: usually


Input:
Sentence1: condensing means changing from a gas into a liquid by reducing heat energy.
Sentence2: Condensation is the reverse of vaporization , or change from liquid to gas.

Output: condensing


Input:
Sentence1: Bicycle A bicycle is a two wheeled vehicle.
Sentence2: A bicycle is a vehicle that requires smooth surfaces.

Output: bicycle


Input:
Sentence1: Angiosperm sporophyte is dominant.
Sentence2: Flowers form on angiosperms.

Output: Angiosperm


Input:
Sentence1: natural magnetism is used for pointing north by a compass.
Sentence2: poles are used to point with a compass.

Output: compass


Input:
Sentence1: the movement of tectonic plates causes volcanic eruptions.
Sentence2: the movement of tectonic plates can destroy cities.

Output: movement


Input:
Sentence1: the movement of tectonic plates causes volcanic eruptions.
Sentence2: the movement of tectonic plates can destroy cities.

Output: plates


Input:
Sentence1: the movement of tectonic plates causes volcanic eruptions.
Sentence2: the movement of tectonic plates can destroy cities.

Output: tectonic


Input:
Sentence1: matter vibrating can cause sound.
Sentence2: When the waves pass our ears, a sound is detected.

Output: sound


Input:
Sentence1: Urine is the liquid waste product of the body that is excreted by the urinary system.
Sentence2: Mammals excrete urea in the watery form of urine .

Output: Urine


Input:
Sentence1: protein is used to repair cells by the human body.
Sentence2: Enzymes provide cellular energy, repair tissue organs and cells.

Output: cells