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

Ex Input:
Does water get colder or warmer the deeper you go?

Ex Output:
Does water get colder or warmer the deeper you go?


Ex Input:
Microscopes were first developed in the early 1600s by eyeglass makers.

Ex Output:
Microscopes were first developed in the early 1600s by this trade?


Ex Input:
Fermat’s principle states that light will always take the path of the least amount of time.

Ex Output:
Fermat’s principle states that light will always take the path of least amount of?