You are presented with the quiz "Shallow tropical water is what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "corals form large colonies in shallow tropical water" and "coral communities are found only in warm waters". So, what's the best answer to the question?

OPTIONS:
- porous
- low in biodiversity
- cold
- uninhabited
- pretty
- rain
- warm
- calm

Answer: warm
Problem: OPTIONS:
- insects
- Airplanes
- Rocks
- elephants
- humans
- animals
- h2o
- Cephalopods
Q: You are presented with the quiz "What has a complex nervous system?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most invertebrates have a more complex nervous system" and "cephalopods have the most advanced nervous systems of all invertebrates". So, what's the best answer to the question?
Answer: Cephalopods
Problem:OPTIONS:
- energy
- carbon
- heat
- earthquakes
- air
- oil
- O2
- water

You are presented with the quiz "Combustion is used to produce what" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "burning wood is used to produce heat" and "combustion-related, motor vehicles, wood burning, open burning, industrial processes". So, what's the best answer to the question?
****
A: heat
You are presented with the quiz "what can be used for separation a solute from a solvent in a solution?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "evaporation can be used for separating a solute from a solvent in a solution" and "boiling is very rapid evaporization". So, what's the best answer to the question?
OPTIONS:
- sweating
- liquid
- energy
- water
- heat
- salt
- freezing
- boiling
boiling
You are presented with the quiz "What vibrates the saddle?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plucking a string can cause that string to vibrate" and "when the strings on a guitar vibrate, they transmit their vibrations to the saddle". So, what's the best answer to the question?
OPTIONS:
- voltage
- friction
- nerves
- heat energy
- mechanical
- plucking
- energy
- waves

Answer: plucking
input with options: You are presented with the quiz "what is the surface of a beach formed by?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "the surface of a beach is formed by mechanical weathering" and "water is a mechanical weathering force". So, what's the best answer to the question?
OPTIONS:
- a wave
- gravity
- water
- plates
- density
- the sun
- calcite
- Rocks
output:
water