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: Caffeine is an example of a psychoactive drug.

Answer: caffeine psychoactive.


Question: Fact: an animal requires nutrients to grow and heal.

Answer: animal nutrients.


Question: Fact: plucking a string can cause that string to vibrate.

Answer:
guitars strings sound.