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

Input: Consider Input: Darwin believed in gradualism.

Output: Did darwin believe in punctuated equilibrium or gradualism?

Input: Consider Input: Mercury is not a solid even at room temperature.

Output: Which metal is not a solid even at room temperature?

Input: Consider Input: A wedge is the name for a simple machine that consists of two inclined planes.
Output: What is the name for a simple machine that consists of two inclined planes?