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

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

statement: Birds have big heads., question: What do birds have?
big heads

statement: bugs such as grasshoppers can spread diseases, question: Bugs like what can spread diseases?

grasshoppers