Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Control rods play an important role in the modulation of the nuclear chain reaction.

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


Question: In science, something that always applies under the same conditions is called a scientific law.

Answer: In science, what do you call something that always applies under the same conditions?


Question: Not surprisingly, controlling flight is the function of the most developed part of a bird's brain.

Answer:
Not surprisingly, what is the function of the most developed part of a bird's brain?