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

Q: statement: cystitis negatively affects the bladder, question: What negatively affects the bladder?

A: cystitis
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Q: statement: The release of an egg during ovulation is used in mating., question: The release of an egg during ovulation is used in what?

A: mating
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Q: statement: autotrophs play significant roles as producers in water-based ecosystems., question: What play a significant role as producers in water-based ecosystems?

A:
autotrophs
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