input: OPTIONS:
- forces
- motion
- mutations
- scent
- symptoms
- light
- texture
- color Now, answer this question: You are presented with the quiz "Physical contact can be used to detect what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "touch can be used for detecting texture" and "if two pieces are making physical contact in any way, they're touching". So, what's the best answer to the question?
A:
output: texture

input: OPTIONS:
- keratin
- vacuum
- four limbs
- energy
- cold
- engines
- magic
- heat Now, answer this question: You are presented with the quiz "What can be used for keeping warm?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "thick fur can be used for keeping warm" and "carpet beetle larvae feed on the keratin and chitin commonly found in wool, fur, or feathers". So, what's the best answer to the question?
A:
output: keratin

input: OPTIONS:
- flashlight
- energy
- mirror
- microscope
- direct energy
- fire
- cactuses
- glowworm Now, answer this question: You are presented with the quiz "What requires a battery to produce light?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "aflashlight requires a source of electricity to produce light" and "electric power sources are ordinary batteries". So, what's the best answer to the question?
A:
output:
flashlight