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.

[EX Q]: Fact: Plants live just about everywhere on Earth.
[EX A]: Plants producers.

[EX Q]: Fact: Any antigen that causes an allergy is called an allergen.
[EX A]: allergen.

[EX Q]: Fact: a windmill converts wind energy into electricity primarily by using mechanical energy.
[EX A]:
computers use electricity.