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

Input: Consider Input: Lichens are not a single organism, but rather an example of a mutualism.

Output: Lichens are not a single organism, but rather an example of a what?


Input: Consider Input: The male reproductive system consists of structures that produce sperm and secrete testosterone.

Output: What does the male reproductive system consist of?


Input: Consider Input: Strength, the ability of a muscle to use force during a contraction, differs from endurance, meaning the ability of a muscle to continue to contract over time without getting tired.


Output: Strength, the ability of a muscle to use force during a contraction, differs from what term meaning the ability of a muscle to continue to contract over time without getting tired?