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.
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Question: Fact: Muscles can only contract.

Answer: contract leg.


Question: Fact: Algae have varied life cycles.

Answer: Algae plant.


Question: Fact: planting trees has a positive impact on an ecosystem.

Answer:
an ecosystem.