Given a statement, generate a question such that the answer is contained in that statement.

Q: Some amphibians eat other wildlife.

A: What species eat other wildlife?
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Q: Bladder infections can be treated with drugsprescribed by some humans that make mistakes.

A: What can some humans use to treat bladder infections?
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Q: respiration requires a certain amount of carbon dioxide

A:
What does respiration require?
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