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: Insects may live in large colonies and have complex social behaviors.

A: insect arthropod.
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Q: Fact: Muscles can only contract.

A: contract leg.
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Q: Fact: Plants live just about everywhere on Earth.

A:
Plants producers.
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