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

Input: Consider Input: The ability of matter to combine chemically with other substances is known as reactivity.

Output: The ability of matter to combine chemically with other substances is known as?


Input: Consider Input: Wilting occurs when water lost by transpiration is not replaced by absorbtion from room.

Output: What occurs when water lost by transpiration is not replaced by absorbtion from room?


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?