Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
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Question: statement: fungi produce poisons in ecosystems, question: What produce poisons in ecosystems?

Answer: fungi


Question: statement: Bats use muscles in the chest to fly, question: What do bats use to fly?

Answer: muscles in the chest


Question: statement: cruising may require a compass., question: What does cruising require?

Answer:
compass