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

Input: Consider Input: Control rods play an important role in the modulation of the nuclear chain reaction.

Output: What play an important role in the modulation of the nuclear chain reaction?


Input: Consider Input: Phototaxis is the term for movement toward light.

Output: What is the term for movement toward light?


Input: Consider Input: Carefully controlling the speed of a fission reaction produces nuclear kind of energy.


Output: Carefully controlling the speed of a fission reaction produces what kind of energy?