Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Fruit food provides the most energy for the body in the shortest amount of time.

Answer: Which food provides the most energy for the body in the shortest amount of time?


Question: Photoautotrophs and chemoautotrophs are two basic types of autotrophs.

Answer: Photoautotrophs and chemoautotrophs are two basic types of what?


Question: Water contains 3 atoms.

Answer:
How many atoms does water contain?