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

Input: Consider Input: statement: A person's arm straightens when muscles antagonistic to biceps contract, question: What straightens when muscles antagonistic to biceps contract?

Output: arm


Input: Consider Input: statement: Caves can be used to avoid leopards., question: Caves can be used to avoid what?

Output: leopards


Input: Consider Input: statement: Humans deliver relatively large and mature infants., question: Who delivers relatively large and mature infants?


Output: Humans