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: a telescope is used for observing stars by astronomers.

Answer: astronomer study.


Question: Fact: Cnidarians are invertebrates such as jellyfish and corals.

Answer: Cnidarians.


Question: Fact: lack of moisture in the air causes low amounts of rainfall.

Answer:
lack of rain kills crops.