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

Example Input: statement: genitaliaare used in reproduction, question: What are genitalia used in?
Example Output: reproduction

Example Input: statement: an optical system is used for observing stars by researchers, question: What is used for observing stars by researchers?
Example Output: an optical system

Example Input: statement: changing the direction of force applied can make lifting metal easier, question: What can change the direction of force applied make?
Example Output:
lifting metal