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

Input: Consider Input: Wave amplitude and wavelength are two important measures of wave size.

Output: Wave amplitude and wavelength are two important measures of what?


Input: Consider Input: A fewer predators is most likely to cause the number of rabbits living in an area to increase.

Output: Which factor is most likely to cause the number of rabbits living in an area to increase?


Input: Consider Input: Hookworms infest the intestines.


Output: What part of the body do hookworms infest?