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

Input: Consider Input: Bacteria may divide several times an hour.

Output: Bacteria may divide several what an hour?


Input: Consider Input: Pressure and vibration are examples of physical type of stimuli.

Output: Pressure and vibration are examples of what type of stimuli?


Input: Consider Input: Embryos usually don't survive if they have extra or too few of these genetic units?


Output: Embryos usually don't survive if they have extra or too few of these genetic units?