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

Input: Consider Input: A pregnant woman should avoid toxic substances while pregnant.

Output: What should a pregnant woman avoid while pregnant?

Input: Consider Input: Ice masses, acquifers, and the deep ocean are examples of water reservoirs.

Output: Ice masses, acquifers, and the deep ocean are examples of water what?

Input: Consider Input: Force times distance is the equation for work.
Output: Force times distance is the equation for what?