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: Binoculars are optical tools., question: What are optical tools?

Answer: Binoculars

Question: statement: cloning allows us to make copies of traits, question: What allows us to make copies of traits?

Answer: cloning

Question: statement: Running quickly uses up the nutrients eaten., question: What does running quickly use?

Answer:
nutrients