Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Example Input: In circles way do particles of water move in deep water.
Example Output: In which way do particles of water move in deep water?

Example Input: Gardasil is the vaccine to prevent infection of hpv.
Example Output: What is the vaccine to prevent infection of hpv?

Example Input: Craters and rifts become lakes when they fill with water.
Example Output:
What do craters and rifts become when the fill with water?