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: flight in eagles uses chest muscles, question: What does flight in eagles use?

Answer: chest muscles


Question: statement: a telescope is used for observing the sun, question: What is used to observe the sun?

Answer: a telescope


Question: statement: Bacteria and viruses are agents of disease, question: Bacteria and what are agents of disease?

Answer:
viruses