Input:
Sentence1: Also pyrite within the altered wall rock is oxidized to limonite, geothite and hematite.
Sentence2: chemical weathering causes pyrite to change to limonite, geothite and hematite.

Output: pyrite


Input:
Sentence1: Examples include influenza, rabies, HIV, and Herpes viruses.
Sentence2: rabies cannot reproduce by themselves.

Output: rabies


Input:
Sentence1: Cancer genes can be inherited.
Sentence2: Genetic diseases are diseases that are inherited.

Output: inherited


Input:
Sentence1: Reproduction is the process by which living things give rise to offspring.
Sentence2: Through reproduction, the parents transmit genes to the offspring.

Output: offspring


Input:
Sentence1: Contact with infected blood, contaminated needles.
Sentence2: scraping oneself on an infected needle may cause infection.

Output: infected


Input:
Sentence1: Contact with infected blood, contaminated needles.
Sentence2: scraping oneself on an infected needle may cause infection.

Output: needles


Input:
Sentence1: Bioterrorism is another potential threat in the environment.
Sentence2: Another potential threat to the environment is the potential release of anthrax.

Output: another


Input:
Sentence1: Bioterrorism is another potential threat in the environment.
Sentence2: Another potential threat to the environment is the potential release of anthrax.

Output: environment


Input:
Sentence1: Bioterrorism is another potential threat in the environment.
Sentence2: Another potential threat to the environment is the potential release of anthrax.

Output: potential


Input:
Sentence1: Bioterrorism is another potential threat in the environment.
Sentence2: Another potential threat to the environment is the potential release of anthrax.

Output: threat


Input:
Sentence1: Chordates have a complete digestive system and a closed circulatory system.
Sentence2: reptiles have a complete digestive system and a closed circulatory system.

Output: circulatory


Input:
Sentence1: Chordates have a complete digestive system and a closed circulatory system.
Sentence2: reptiles have a complete digestive system and a closed circulatory system.

Output: closed


Input:
Sentence1: Chordates have a complete digestive system and a closed circulatory system.
Sentence2: reptiles have a complete digestive system and a closed circulatory system.

Output: complete


Input:
Sentence1: Chordates have a complete digestive system and a closed circulatory system.
Sentence2: reptiles have a complete digestive system and a closed circulatory system.

Output: digestive


Input:
Sentence1: Chordates have a complete digestive system and a closed circulatory system.
Sentence2: reptiles have a complete digestive system and a closed circulatory system.

Output: have


Input:
Sentence1: Chordates have a complete digestive system and a closed circulatory system.
Sentence2: reptiles have a complete digestive system and a closed circulatory system.

Output: system


Input:
Sentence1: Blood is brought into the heart by veins and carried away by arteries.
Sentence2: Blood pressure is highest in vessels leading away from the heart.

Output: away


Input:
Sentence1: Blood is brought into the heart by veins and carried away by arteries.
Sentence2: Blood pressure is highest in vessels leading away from the heart.

Output: heart


Input:
Sentence1: When an object moves or vibrates, the air molecules around the object also vibrate.
Sentence2: Blowing air into a whistle causes air to move inside the whistle.

Output: moves


Input:
Sentence1: a rubber band snapping causes the particles in the rubber band to vibrate.
Sentence2: Sound waves are vibrations in matter.

Output: vibrate


Input:
Sentence1: a rubber band snapping causes the particles in the rubber band to vibrate.
Sentence2: By it's nature, a vibration is a frequency wave .

Output: vibrate


Input:
Sentence1: Organic matter is the byproduct of the decomposition.
Sentence2: organic matter is increased by decomposing.

Output: decomposition


Input:
Sentence1: a flashlight requires a source of electricity to produce light.
Sentence2: Emergency lighting source requires a source of electricity to produce light.

Output: electricity


Input:
Sentence1: a flashlight requires a source of electricity to produce light.
Sentence2: Emergency lighting source requires a source of electricity to produce light.

Output: light


Input:
Sentence1: a flashlight requires a source of electricity to produce light.
Sentence2: Emergency lighting source requires a source of electricity to produce light.

Output: produce


Input:
Sentence1: Hermit crabs use the shells of dead snails for homes.
Sentence2: Hermit crabs are scavengers for dead snails.

Output: Hermit


Input:
Sentence1: Hermit crabs use the shells of dead snails for homes.
Sentence2: Hermit crabs are scavengers for dead snails.

Output: crabs


Input:
Sentence1: Hermit crabs use the shells of dead snails for homes.
Sentence2: Hermit crabs are scavengers for dead snails.

Output: dead


Input:
Sentence1: Hermit crabs use the shells of dead snails for homes.
Sentence2: Hermit crabs are scavengers for dead snails.

Output: snails


Input:
Sentence1: a seismometer is used to measure the strength or magnitude of an earthquake.
Sentence2: The strength of an earthquake refers to the maximum amplitude of the shaking.

Output: earthquake


Input:
Sentence1: a seismometer is used to measure the strength or magnitude of an earthquake.
Sentence2: The strength of an earthquake refers to the maximum amplitude of the shaking.

Output: strength


Input:
Sentence1: Birds are endothermic tetrapod vertebrates.
Sentence2: Hooded vultures are silent birds.

Output: Birds


Input:
Sentence1: Humans depend upon the life-support systems provided by the oceans.
Sentence2: coral reefs provide support for humans.

Output: Humans


Input:
Sentence1: Humans depend upon the life-support systems provided by the oceans.
Sentence2: coral reefs provide support for humans.

Output: life-support


Input:
Sentence1: Competition may lead to aggressive behaviors or displays of aggression.
Sentence2: Frequently their behavior is aggressively hostile.

Output: aggressive


Input:
Sentence1: Competition may lead to aggressive behaviors or displays of aggression.
Sentence2: Frequently their behavior is aggressively hostile.

Output: behaviors


Input:
Sentence1: propulsion is used for flying by a spacecraft.
Sentence2: Propulsion was used for flying Apollo 13.

Output: flying


Input:
Sentence1: propulsion is used for flying by a spacecraft.
Sentence2: Propulsion was used for flying Apollo 13.

Output: propulsion


Input:
Sentence1: propulsion is used for flying by a spacecraft.
Sentence2: Propulsion was used for flying Apollo 13.

Output: used


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

Output: are


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

Output: curing


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

Output: medicine


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

Output: sick


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

Output: they


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

Output: used


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

Output: when


Input:
Sentence1: Molecules of DNA are encoded with instructions that tell cells what to do.
Sentence2: DNA DNA DNA is a person's genetic fingerprint.

Output: DNA


Input:
Sentence1: stalactites are formed by deposition.
Sentence2: cave roofs are formed by deposition.

Output: deposition


Input:
Sentence1: stalactites are formed by deposition.
Sentence2: cave roofs are formed by deposition.

Output: formed


Input:
Sentence1: Lions hunt in prides, the killing is usually done by the swifter young lions.
Sentence2: lions are social groups that hunt.

Output: Lions


Input:
Sentence1: if a living thing becomes too cold then that living thing will die.
Sentence2: If a living thing gets hypothermia then that living thing will die.

Output: die


Input:
Sentence1: if a living thing becomes too cold then that living thing will die.
Sentence2: If a living thing gets hypothermia then that living thing will die.

Output: living


Input:
Sentence1: if a living thing becomes too cold then that living thing will die.
Sentence2: If a living thing gets hypothermia then that living thing will die.

Output: thing


Input:
Sentence1: Skin pressure receptors announce that the feet are on the ground or the buttocks are on a chair.
Sentence2: receptors on the epidermis detect pressure and announce to the feet or buttocks that you touching something.

Output: announce


Input:
Sentence1: intense heat has a negative impact on an organism.
Sentence2: skin burning quickly has a negative impact on an organism.

Output: impact


Input:
Sentence1: intense heat has a negative impact on an organism.
Sentence2: skin burning quickly has a negative impact on an organism.

Output: negative


Input:
Sentence1: intense heat has a negative impact on an organism.
Sentence2: skin burning quickly has a negative impact on an organism.

Output: organism


Input:
Sentence1: Sight is the ability to sense light, and the eye is the organ that senses light.
Sentence2: Once the brain interprets the messages, the sight process is completed.

Output: Sight


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: Deep burrowing earthworms improve looseness of soil for root growth.

Output: growth


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: Deep burrowing earthworms improve looseness of soil for root growth.

Output: looseness


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: Deep burrowing earthworms improve looseness of soil for root growth.

Output: roots'


Input:
Sentence1: the looseness of soil has a positive impact on a plant 's roots' growth in that soil.
Sentence2: Deep burrowing earthworms improve looseness of soil for root growth.

Output: soil


Input:
Sentence1: Climate influences plant growth, biodiversity, and adaptations of land organisms.
Sentence2: Global warming influences plant growth, biodiversity, and adaptations of land organisms.

Output: adaptations


Input:
Sentence1: Climate influences plant growth, biodiversity, and adaptations of land organisms.
Sentence2: Global warming influences plant growth, biodiversity, and adaptations of land organisms.

Output: biodiversity


Input:
Sentence1: Climate influences plant growth, biodiversity, and adaptations of land organisms.
Sentence2: Global warming influences plant growth, biodiversity, and adaptations of land organisms.

Output: influences


Input:
Sentence1: Condensation is water from the air.
Sentence2: water from the air is when it changes from gas into a liquid by reducing heat energy.

Output: air


Input:
Sentence1: Condensation is water from the air.
Sentence2: water from the air is when it changes from gas into a liquid by reducing heat energy.

Output: water


Input:
Sentence1: measuring the hardness of minerals requires scratching those materials.
Sentence2: To figure out the hardness of a mineral, the Moh's scale of hardness is used.

Output: minerals


Input:
Sentence1: X-rays are a form of electromagnetic energy, or radiation.
Sentence2: Electromagnetic energy is used in medical technology.

Output: electromagnetic


Input:
Sentence1: X-rays are a form of electromagnetic energy, or radiation.
Sentence2: Electromagnetic energy is used in medical technology.

Output: energy


Input:
Sentence1: if a neutral atom loses an electron then an atom with a negative charge will be formed.
Sentence2: An ion is formed after a neutral atom loses an electron.

Output: atom


Input:
Sentence1: if a neutral atom loses an electron then an atom with a negative charge will be formed.
Sentence2: An ion is formed after a neutral atom loses an electron.

Output: electron


Input:
Sentence1: if a neutral atom loses an electron then an atom with a negative charge will be formed.
Sentence2: An ion is formed after a neutral atom loses an electron.

Output: loses


Input:
Sentence1: if a neutral atom loses an electron then an atom with a negative charge will be formed.
Sentence2: An ion is formed after a neutral atom loses an electron.

Output: neutral


Input:
Sentence1: electricity sometimes is used for heating buildings.
Sentence2: Sometimes, in a cold climate it is necessary to use heat, but use only slow heat.

Output: heating


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

Output: Carbon


Input:
Sentence1: Rock debris is also know as sediment.
Sentence2: Breaking apart rocks can cause sediment.

Output: sediment


Input:
Sentence1: Oxygen is essential for cellular respiration for all aerobic organisms.
Sentence2: Fungi are aerobic organisms.

Output: aerobic


Input:
Sentence1: Oxygen is essential for cellular respiration for all aerobic organisms.
Sentence2: Fungi are aerobic organisms.

Output: organisms


Input:
Sentence1: Fungi are significant pathogens.
Sentence2: Fungi can cause disease.

Output: Fungi


Input:
Sentence1: Fish have a centralized nervous system with a brain.
Sentence2: Fish include bass, crappie, and catfish.

Output: Fish


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

Output: water


Input:
Sentence1: adding salt to a liquid decreases the melting point of that liquid.
Sentence2: adding salt to water decreases the melting point of water.

Output: adding


Input:
Sentence1: adding salt to a liquid decreases the melting point of that liquid.
Sentence2: adding salt to water decreases the melting point of water.

Output: decreases


Input:
Sentence1: adding salt to a liquid decreases the melting point of that liquid.
Sentence2: adding salt to water decreases the melting point of water.

Output: melting


Input:
Sentence1: adding salt to a liquid decreases the melting point of that liquid.
Sentence2: adding salt to water decreases the melting point of water.

Output: point


Input:
Sentence1: adding salt to a liquid decreases the melting point of that liquid.
Sentence2: adding salt to water decreases the melting point of water.

Output: salt


Input:
Sentence1: Birds fly using wings.
Sentence2: birds use muscles for flight.

Output: Birds


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: many corals secrete an external framework that builds up to become a coral reef.

Output: Many


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: many corals secrete an external framework that builds up to become a coral reef.

Output: become


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: many corals secrete an external framework that builds up to become a coral reef.

Output: builds


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: many corals secrete an external framework that builds up to become a coral reef.

Output: coral


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: many corals secrete an external framework that builds up to become a coral reef.

Output: corals


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: many corals secrete an external framework that builds up to become a coral reef.

Output: reef


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: many corals secrete an external framework that builds up to become a coral reef.

Output: secrete


Input:
Sentence1: Many corals secrete an exoskeleton that builds up to become a coral reef.
Sentence2: many corals secrete an external framework that builds up to become a coral reef.

Output: up


Input:
Sentence1: absorbing sunlight causes objects to heat.
Sentence2: Sunlight is the ultimate form of energy.

Output: sunlight


Input:
Sentence1: Sperm are deposited in the vagina during sexual intercourse.
Sentence2: Male gametes are called sperm.

Output: Sperm


Input:
Sentence1: a graduated cylinder is used to measure volume of a liquid.
Sentence2: Students learn to use a graduated cylinder and measure in mL. 2.

Output: measure


Input:
Sentence1: Sweating reduces body heat.
Sentence2: perspiration reduces body heat.

Output: body


Input:
Sentence1: Sweating reduces body heat.
Sentence2: perspiration reduces body heat.

Output: heat


Input:
Sentence1: Sweating reduces body heat.
Sentence2: perspiration reduces body heat.

Output: reduces


Input:
Sentence1: Favorite food is chicken.
Sentence2: a refrigerator is used for keeping chicken fresh.

Output: chicken


Input:
Sentence1: Supersaturation is inferred to be a common state for atmospheric haze particles.
Sentence2: haze decreases the temperature by blocking the sun.

Output: haze


Input:
Sentence1: Hookworm larvae enter the host through the skin.
Sentence2: Blood feeders can enter the host through the skin.

Output: enter


Input:
Sentence1: Hookworm larvae enter the host through the skin.
Sentence2: Blood feeders can enter the host through the skin.

Output: host


Input:
Sentence1: Hookworm larvae enter the host through the skin.
Sentence2: Blood feeders can enter the host through the skin.

Output: skin


Input:
Sentence1: Hookworm larvae enter the host through the skin.
Sentence2: Blood feeders can enter the host through the skin.

Output: through


Input:
Sentence1: If the pH level is higher or lower, aquatic life is endangered.
Sentence2: Aquatic life is endangered if acidity is higher or lower than a narrow range.

Output: aquatic


Input:
Sentence1: If the pH level is higher or lower, aquatic life is endangered.
Sentence2: Aquatic life is endangered if acidity is higher or lower than a narrow range.

Output: endangered


Input:
Sentence1: If the pH level is higher or lower, aquatic life is endangered.
Sentence2: Aquatic life is endangered if acidity is higher or lower than a narrow range.

Output: higher


Input:
Sentence1: If the pH level is higher or lower, aquatic life is endangered.
Sentence2: Aquatic life is endangered if acidity is higher or lower than a narrow range.

Output: is


Input:
Sentence1: If the pH level is higher or lower, aquatic life is endangered.
Sentence2: Aquatic life is endangered if acidity is higher or lower than a narrow range.

Output: life


Input:
Sentence1: If the pH level is higher or lower, aquatic life is endangered.
Sentence2: Aquatic life is endangered if acidity is higher or lower than a narrow range.

Output: lower


Input:
Sentence1: If the pH level is higher or lower, aquatic life is endangered.
Sentence2: Aquatic life is endangered if acidity is higher or lower than a narrow range.

Output: or


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: Sulfur Dioxide and Asthmatics A highly reactive colorless gas smelling like rotten eggs, sulfur dioxide derives primarily from fossil fuel combustion.

Output: dioxide


Input:
Sentence1: the emission of sulfur dioxide causes acid rain.
Sentence2: Sulfur Dioxide and Asthmatics A highly reactive colorless gas smelling like rotten eggs, sulfur dioxide derives primarily from fossil fuel combustion.

Output: sulfur


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

Output: extinct


Input:
Sentence1: Lipids may consist of fatty acids alone, or they may contain other molecules as well.
Sentence2: Bacteria are capable of growth on fatty acids and lipids.

Output: Lipids


Input:
Sentence1: Roundworms may be free-living or parasitic.
Sentence2: Nematodes are microscopic roundworms.

Output: Roundworms


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

Output: Male


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

Output: dogs


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

Output: mark


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

Output: territory


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

Output: their


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

Output: urine


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

Output: use


Input:
Sentence1: After a sperm and egg unite, they form an embryo.
Sentence2: fertilization occurs with the formation of the embryo.

Output: embryo


Input:
Sentence1: After a sperm and egg unite, they form an embryo.
Sentence2: fertilization occurs with the formation of the embryo.

Output: form


Input:
Sentence1: Nematodes are microscopic, true roundworms.
Sentence2: Nematodes reproduce sexually.

Output: Nematodes


Input:
Sentence1: Sponges are a source of food for many species of fish.
Sentence2: Sessile organisms can be a source of food for many species of fish.

Output: fish


Input:
Sentence1: Sponges are a source of food for many species of fish.
Sentence2: Sessile organisms can be a source of food for many species of fish.

Output: food


Input:
Sentence1: Sponges are a source of food for many species of fish.
Sentence2: Sessile organisms can be a source of food for many species of fish.

Output: many


Input:
Sentence1: Sponges are a source of food for many species of fish.
Sentence2: Sessile organisms can be a source of food for many species of fish.

Output: source


Input:
Sentence1: Sponges are a source of food for many species of fish.
Sentence2: Sessile organisms can be a source of food for many species of fish.

Output: species


Input:
Sentence1: Ships rely on active defense for protection.
Sentence2: poisonous darts are used for protection by sea anemones.

Output: protection


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

Output: Fractures


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

Output: heal


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

Output: osteoclasts


Input:
Sentence1: Weather refers to the conditions of the atmosphere from day to day.
Sentence2: meteorologists study weather.

Output: Weather


Input:
Sentence1: Fire puts off heat.
Sentence2: a pan is used for cooking food by putting it over fire.

Output: Fire


Input:
Sentence1: Fire puts off heat.
Sentence2: a pan is used for cooking food by putting it over fire.

Output: puts


Input:
Sentence1: And fish eat algae.
Sentence2: fish eat foods with varied life cycles.

Output: eat


Input:
Sentence1: And fish eat algae.
Sentence2: fish eat foods with varied life cycles.

Output: fish


Input:
Sentence1: On bare, dry soil, wind erosion can remove significant quantities of topsoil.
Sentence2: The effects of erosion are greater on dry soil.

Output: dry


Input:
Sentence1: Output of the fan is varied by means of a series of adjustable vanes upstream of the impeller.
Sentence2: fan speed is adjustable.

Output: adjustable


Input:
Sentence1: exercise increases a body 's strength.
Sentence2: Exercise is more than running and lifting.

Output: exercise


Input:
Sentence1: a measuring cup is used for measuring the volume of substances.
Sentence2: Measuring cups accurately measure liquids.

Output: cup


Input:
Sentence1: a measuring cup is used for measuring the volume of substances.
Sentence2: Measuring cups accurately measure liquids.

Output: measuring


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

Output: erosion


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: A bill is used for catching prey by some birds.

Output: a


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: A bill is used for catching prey by some birds.

Output: birds


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: A bill is used for catching prey by some birds.

Output: by


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: A bill is used for catching prey by some birds.

Output: catching


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: A bill is used for catching prey by some birds.

Output: for


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: A bill is used for catching prey by some birds.

Output: is


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: A bill is used for catching prey by some birds.

Output: prey


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: A bill is used for catching prey by some birds.

Output: some


Input:
Sentence1: a beak is used for catching prey by some birds.
Sentence2: A bill is used for catching prey by some birds.

Output: used


Input:
Sentence1: Lymph is a fluid that leaks out of capillaries into spaces between cells.
Sentence2: Lymph is a fluid that may leak out of capillaries into synapses.

Output: Lymph


Input:
Sentence1: Lymph is a fluid that leaks out of capillaries into spaces between cells.
Sentence2: Lymph is a fluid that may leak out of capillaries into synapses.

Output: capillaries


Input:
Sentence1: Lymph is a fluid that leaks out of capillaries into spaces between cells.
Sentence2: Lymph is a fluid that may leak out of capillaries into synapses.

Output: fluid


Input:
Sentence1: Lymph is a fluid that leaks out of capillaries into spaces between cells.
Sentence2: Lymph is a fluid that may leak out of capillaries into synapses.

Output: into


Input:
Sentence1: Lymph is a fluid that leaks out of capillaries into spaces between cells.
Sentence2: Lymph is a fluid that may leak out of capillaries into synapses.

Output: leaks


Input:
Sentence1: Lymph is a fluid that leaks out of capillaries into spaces between cells.
Sentence2: Lymph is a fluid that may leak out of capillaries into synapses.

Output: out


Input:
Sentence1: All distances are in meters , by the way.
Sentence2: a meter stick measures meters.

Output: meters


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

Output: converts


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

Output: doorbell


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

Output: electrical


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

Output: energy


Input:
Sentence1: Mutations Mutations are caused by random changes in genes.
Sentence2: random changes in genes create new genetic variation in the gene pool.

Output: changes


Input:
Sentence1: Mutations Mutations are caused by random changes in genes.
Sentence2: random changes in genes create new genetic variation in the gene pool.

Output: genes


Input:
Sentence1: Mutations Mutations are caused by random changes in genes.
Sentence2: random changes in genes create new genetic variation in the gene pool.

Output: random


Input:
Sentence1: if an object is in the sunlight then that object will absorb solar energy.
Sentence2: Plants absorb sunlight to make sugar.

Output: absorb


Input:
Sentence1: For example, in the sentence The rain destroyed the crops , The rain is the subject.
Sentence2: If weather is stormy then there is a chance of destroyed crops.

Output: crops


Input:
Sentence1: For example, in the sentence The rain destroyed the crops , The rain is the subject.
Sentence2: If weather is stormy then there is a chance of destroyed crops.

Output: destroyed


Input:
Sentence1: Populations Populations are subsets of a species.
Sentence2: Gene flow occurs when individuals move into or out of a subset of a species.

Output: species


Input:
Sentence1: Populations Populations are subsets of a species.
Sentence2: Gene flow occurs when individuals move into or out of a subset of a species.

Output: subsets


Input:
Sentence1: Animals may compete for territory, water, food, or mates.
Sentence2: Animals such as lions and tigers fight.

Output: Animals


Input:
Sentence1: Calcium carbonate is a natural form of calcium.
Sentence2: Bird egg shells are natural.

Output: natural


Input:
Sentence1: exercise increases a body 's strength.
Sentence2: weight lifting increases strength.

Output: strength


Input:
Sentence1: Rocket propellants are the fuels and the oxidizers carried by the rocket for propulsion.
Sentence2: oxidizers are used for flying a spacecraft.

Output: oxidizers


Input:
Sentence1: Nerves give orders to muscles.
Sentence2: Electrical impulses command the muscles.

Output: muscles


Input:
Sentence1: Dilation makes the eye very sensitive to sunlight.
Sentence2: Dilation makes the pupils sensitive.

Output: Dilation


Input:
Sentence1: Dilation makes the eye very sensitive to sunlight.
Sentence2: Dilation makes the pupils sensitive.

Output: sunlight


Input:
Sentence1: All humans are mammals.
Sentence2: humans conserve body heat with their hair.

Output: humans


Input:
Sentence1: Fertilization takes place inside the female organism.
Sentence2: Fertilization takes place inside a woman.

Output: Fertilization


Input:
Sentence1: Fertilization takes place inside the female organism.
Sentence2: Fertilization takes place inside a woman.

Output: inside


Input:
Sentence1: Fertilization takes place inside the female organism.
Sentence2: Fertilization takes place inside a woman.

Output: place


Input:
Sentence1: Fertilization takes place inside the female organism.
Sentence2: Fertilization takes place inside a woman.

Output: takes


Input:
Sentence1: threatening behavior by predators causes a porcupine to extend its quills.
Sentence2: threatening behavior by predators causes a rodent to extend its quills.

Output: behavior


Input:
Sentence1: threatening behavior by predators causes a porcupine to extend its quills.
Sentence2: threatening behavior by predators causes a rodent to extend its quills.

Output: causes


Input:
Sentence1: threatening behavior by predators causes a porcupine to extend its quills.
Sentence2: threatening behavior by predators causes a rodent to extend its quills.

Output: extend


Input:
Sentence1: threatening behavior by predators causes a porcupine to extend its quills.
Sentence2: threatening behavior by predators causes a rodent to extend its quills.

Output: predators


Input:
Sentence1: threatening behavior by predators causes a porcupine to extend its quills.
Sentence2: threatening behavior by predators causes a rodent to extend its quills.

Output: quills


Input:
Sentence1: threatening behavior by predators causes a porcupine to extend its quills.
Sentence2: threatening behavior by predators causes a rodent to extend its quills.

Output: threatening


Input:
Sentence1: moss causes chemical weathering.
Sentence2: moss causes chemical changes in the minerals of a rock.

Output: causes


Input:
Sentence1: moss causes chemical weathering.
Sentence2: moss causes chemical changes in the minerals of a rock.

Output: moss


Input:
Sentence1: Annelids include earthworms and leeches.
Sentence2: Earthworms can regrow segments that break off.

Output: earthworms


Input:
Sentence1: Stagnant water is often a breeding ground for mosquitoes.
Sentence2: Some precipitation that falls on land may soak in, becoming a breeding place for mosquitoes.

Output: breeding


Input:
Sentence1: Stagnant water is often a breeding ground for mosquitoes.
Sentence2: Some precipitation that falls on land may soak in, becoming a breeding place for mosquitoes.

Output: mosquitoes


Input:
Sentence1: Humans are also placental mammals.
Sentence2: humans give birth to relatively large and mature infants.

Output: Humans


Input:
Sentence1: Basically, fiber is cellulose .
Sentence2: Plants are multicelled eukaryotes with cell walls made of fiber.

Output: fiber


Input:
Sentence1: Endospore-forming bacteria produce a unique resting cell called an endospore .
Sentence2: Bacterial resting cells are often found in soil and water.

Output: bacteria


Input:
Sentence1: Endospore-forming bacteria produce a unique resting cell called an endospore .
Sentence2: Bacterial resting cells are often found in soil and water.

Output: cell


Input:
Sentence1: Endospore-forming bacteria produce a unique resting cell called an endospore .
Sentence2: Bacterial resting cells are often found in soil and water.

Output: resting


Input:
Sentence1: Plants have a very clever way of using the energy from sunlight to make their food.
Sentence2: Phytoplankton have a clever way of making food from sunlight energy.

Output: clever


Input:
Sentence1: Plants have a very clever way of using the energy from sunlight to make their food.
Sentence2: Phytoplankton have a clever way of making food from sunlight energy.

Output: energy


Input:
Sentence1: Plants have a very clever way of using the energy from sunlight to make their food.
Sentence2: Phytoplankton have a clever way of making food from sunlight energy.

Output: food


Input:
Sentence1: Plants have a very clever way of using the energy from sunlight to make their food.
Sentence2: Phytoplankton have a clever way of making food from sunlight energy.

Output: make


Input:
Sentence1: Plants have a very clever way of using the energy from sunlight to make their food.
Sentence2: Phytoplankton have a clever way of making food from sunlight energy.

Output: sunlight


Input:
Sentence1: Plants have a very clever way of using the energy from sunlight to make their food.
Sentence2: Phytoplankton have a clever way of making food from sunlight energy.

Output: way


Input:
Sentence1: a switch is used to start the flow of current in an electrical circuit.
Sentence2: With switch closed, electricity flows through wires, switch and bulb, to light up the bulb.

Output: switch


Input:
Sentence1: a human requires sleep to be healthy.
Sentence2: Cats average 16 hours of sleep a day via short naps.

Output: sleep


Input:
Sentence1: Natural selection is the mechanism of evolution.
Sentence2: Mutations allow for natural selection to occur.

Output: Natural


Input:
Sentence1: Natural selection is the mechanism of evolution.
Sentence2: Mutations allow for natural selection to occur.

Output: selection


Input:
Sentence1: Brain sites implicated include the brainstem and cerebellum.
Sentence2: Many nerve pathways link brain sites with motor neurons throughout the body.

Output: Brain


Input:
Sentence1: Brain sites implicated include the brainstem and cerebellum.
Sentence2: Many nerve pathways link brain sites with motor neurons throughout the body.

Output: sites


Input:
Sentence1: the Earth being tilted on its rotating axis causes seasons.
Sentence2: The Earth being tilted on its rotating axis causes lake level changes.

Output: Earth


Input:
Sentence1: the Earth being tilted on its rotating axis causes seasons.
Sentence2: The Earth being tilted on its rotating axis causes lake level changes.

Output: axis


Input:
Sentence1: the Earth being tilted on its rotating axis causes seasons.
Sentence2: The Earth being tilted on its rotating axis causes lake level changes.

Output: being


Input:
Sentence1: the Earth being tilted on its rotating axis causes seasons.
Sentence2: The Earth being tilted on its rotating axis causes lake level changes.

Output: causes


Input:
Sentence1: the Earth being tilted on its rotating axis causes seasons.
Sentence2: The Earth being tilted on its rotating axis causes lake level changes.

Output: rotating


Input:
Sentence1: the Earth being tilted on its rotating axis causes seasons.
Sentence2: The Earth being tilted on its rotating axis causes lake level changes.

Output: tilted


Input:
Sentence1: Each human body is unique.
Sentence2: disease-causing microbes have a negative impact on humans.

Output: human


Input:
Sentence1: Behaviors can be learned through play.
Sentence2: Behaviors can be learned through games.

Output: Behaviors


Input:
Sentence1: igneous rocks are formed from magma cooling.
Sentence2: Igneous rocks are formed through volcanoes erupting and lava.

Output: formed


Input:
Sentence1: igneous rocks are formed from magma cooling.
Sentence2: Igneous rocks are formed through volcanoes erupting and lava.

Output: igneous


Input:
Sentence1: igneous rocks are formed from magma cooling.
Sentence2: Igneous rocks are formed through volcanoes erupting and lava.

Output: rocks


Input:
Sentence1: A number of buildings in Istanbul also were damaged in the earthquake.
Sentence2: when an earthquake causes the ground to shake, this shaking can damage buildings.

Output: buildings


Input:
Sentence1: if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past.
Sentence2: Fossils of a water animal or plant are located in water-laid sediments.

Output: animal


Input:
Sentence1: if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past.
Sentence2: Fossils of a water animal or plant are located in water-laid sediments.

Output: fossils


Input:
Sentence1: if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past.
Sentence2: Fossils of a water animal or plant are located in water-laid sediments.

Output: plant


Input:
Sentence1: if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past.
Sentence2: Fossils of a water animal or plant are located in water-laid sediments.

Output: water


Input:
Sentence1: Some arthropods have special excretory structures.
Sentence2: Arthropods contain jointed appendages.

Output: arthropods


Input:
Sentence1: fog is formed by water vapor condensing in the air.
Sentence2: An example of water vapor is steam.

Output: vapor


Input:
Sentence1: fog is formed by water vapor condensing in the air.
Sentence2: An example of water vapor is steam.

Output: water


Input:
Sentence1: Iron is involved in the formation of chlorophyll.
Sentence2: Iron is required for plants to absorb light energy.

Output: Iron


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

Output: cut


Input:
Sentence1: a pan is used for cooking food by heating food in it on a stove.
Sentence2: a pan is used for cooking meals by heating them on the stove.

Output: cooking


Input:
Sentence1: a pan is used for cooking food by heating food in it on a stove.
Sentence2: a pan is used for cooking meals by heating them on the stove.

Output: heating


Input:
Sentence1: a pan is used for cooking food by heating food in it on a stove.
Sentence2: a pan is used for cooking meals by heating them on the stove.

Output: on


Input:
Sentence1: a pan is used for cooking food by heating food in it on a stove.
Sentence2: a pan is used for cooking meals by heating them on the stove.

Output: pan


Input:
Sentence1: a pan is used for cooking food by heating food in it on a stove.
Sentence2: a pan is used for cooking meals by heating them on the stove.

Output: used


Input:
Sentence1: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.
Sentence2: When the axis is pointed toward the sun, more light falls on that hemisphere.

Output: sun


Input:
Sentence1: Pre-osteoclasts float freely in bones' marrow canals and mature into osteoclasts.
Sentence2: The cells that eventually develop the ability to heal fractures are found free floating in bone marrow.

Output: float


Input:
Sentence1: Pre-osteoclasts float freely in bones' marrow canals and mature into osteoclasts.
Sentence2: The cells that eventually develop the ability to heal fractures are found free floating in bone marrow.

Output: freely


Input:
Sentence1: Pre-osteoclasts float freely in bones' marrow canals and mature into osteoclasts.
Sentence2: The cells that eventually develop the ability to heal fractures are found free floating in bone marrow.

Output: marrow


Input:
Sentence1: Acidity is measured with a pH meter or with pH paper strips.
Sentence2: All life relies on a relatively narrow range of something you can measure with paper strips.

Output: paper


Input:
Sentence1: Acidity is measured with a pH meter or with pH paper strips.
Sentence2: All life relies on a relatively narrow range of something you can measure with paper strips.

Output: strips


Input:
Sentence1: Without proper brain functioning the body dies.
Sentence2: without oxygen the body dies.

Output: dies


Input:
Sentence1: Digestion is the process of breaking down food into components the body can absorb.
Sentence2: food is digested in the small intestine.

Output: food