You are presented with the quiz "Why does water sink in oil?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity" and "oil is less dense than water". So, what's the best answer to the question?
OPTIONS:
- gravity
- flooding
- salinity
- sun's heat
- explosion
- water vapor
- combustion
- erosion
gravity
You are presented with the quiz "Hydrogen bonds cause a tremendous force when a substance does what" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "hydrogen bonds cause water to expand when it freezes" and "freezing water expands with tremendous force". So, what's the best answer to the question?
OPTIONS:
- strong
- moves
- harm
- expelled
- freezes
- heat
- breakdown
- propagate

Answer: freezes
Question: You are presented with the quiz "What can be a gas or a liquid?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "condensing means changing from a gas into a liquid by reducing heat energy" and "water can easily condense on the cold end of the probe". So, what's the best answer to the question?
OPTIONS:
- Alcohol
- ozone
- water
- vapors
- heat
- blood
- NaCl
- shale
Answer: water
input with options: You are presented with the quiz "Earth doing what causes quick-changing weather patterns?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "earth orbiting the Sun causes seasons to change" and "more than any other season, summer is a time of quick-changing weather patterns". So, what's the best answer to the question?
OPTIONS:
- orbiting the sun
- Greenhouse gases
- cycling the moon
- global warming
- soaking up rays
- energy of moving objects
- drifting in space
- Movement
output: orbiting the sun
Q: You are presented with the quiz "what have specialized reproductive organs" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plants have specialized reproductive organs" and "all plants are of bush type". So, what's the best answer to the question?

OPTIONS:
- flowers
- Conifers
- apples
- bushes
- insects
- ovaries
- Oak
- animals

A: bushes
You are presented with the quiz "what has a centralized nervous system with a brain?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fish have a centralized nervous system with a brain" and "fish include bass and salmon". So, what's the best answer to the question?
OPTIONS:
- Birds
- bacteria
- pan
- nerves
- sharks
- otters
- bass
- viruses
bass