instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: hiding can be used by animals like young birds, question: What type of animals can hide?
answer:
young birds


question:
statement: muscles contracting cause a person's arm to straighten, question: What causes a person's arm to straighten?
answer:
muscles contracting


question:
statement: Clover plants are autotrophs, question: Clover plants are what?
answer:

autotrophs