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: Depressions in building materials that fill with frozen water will? Answer: expand.

A: when water freezes , that water expands
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Q: Question: Birds give birth to their babies while still in an egg. Mammals, however, give birth to their babies? Answer: already alive.

A: mammals give birth to live young
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Q: Question: studying a soil sample means studying the microorganisms in the? Answer: dirt.

A:
studying a soil sample means studying the microorganisms in that soil
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