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: What do steam and ice have in common? Answer: intensive properties.

A: as the temperature of something increases , the intensive properties of that something will not change
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Q: Question: An example of biofuel could be? Answer: leaves.

A: biofuel is used to produce electricity by burning
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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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