In this task, you need to write a topic word from the given fact. The topic word must have at least one word overlap with the given fact. The topic word often involves adding a new word from a related concept. In your topic word, use at least one word from the given fact. Topic words with two or more words work best.

Q: Fact: an animal requires warmth for survival.

A: animal cow.
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Q: Fact: Viruses are not cells.

A: Viruses.
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Q: Fact: Producers use energy and inorganic molecules to make food.

A:
Producers plant.
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