Given a statement, generate a question such that the answer is contained in that statement.

Input: Consider Input: Eggs are inseminated during reproduction.

Output: What is inseminated during reproduction?


Input: Consider Input: Embryo implantation is used in reproduction.

Output: Embryo implantation is used in what?


Input: Consider Input: muscles contracting cause a person's arm to straighten


Output: What causes a person's arm to straighten?