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: The flu is not affected by drugs, only a vaccine, question: What is the only drug that affects the flu?

Answer: vaccine

Question: statement: teeth make some carnivores excellent predators., question: What kind of predators do teeth make?

Answer: carnivores

Question: statement: detailed observation of stars requires a scope, question: What is required for detailed observation of stars?

Answer:
scope