In this task, you are given a fact statement and question based on the fact. Your task is to generate the correct answer for the question. The answer needs to be generated using the context fact statement.

Q: Fact: electricity causes less pollution than gasoline. Question: People are switching to electric cars because cars that use gas?

A: dirty the air
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Q: Fact: sometimes weathering rounds rocks. Question: Which of the following most likely led to certain rocks having less friction?

A: a babbling brook
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Q: Fact: an animal requires nutrients to grow and heal. Question: What requires nutrients to grow and heal?

A:
birds
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