In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

Q: Question: In order for crops to grow food safely, pesticides are used on them. When it floods, this causes what to be poisonous? Answer: Runoff.

A: crop rotation renews soil
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Q: Question: You can use plants like star anise for? Answer: sustenance seasoning.

A: plants are the source of spices
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Q: Question: What is a greenhouse? Answer: A place for foreign plants.

A:
a greenhouse is used to protect plants by keeping them warm
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