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: Birds evolved from a group of bipedal dinosaurs called theropods.

A: Birds evolved.
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Q: Fact: Plants that are adapted to very dry environments are called xerophytes.

A: Plants that are adapted to very dry environments are called xerophytes.
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Q: Fact: Fungi have special structures for penetrating a host.

A:
animals can be hosts for fungi.
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