instruction:
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.
question:
Fact: freezing causes a solid to form.
answer:
freeze molecules.


question:
Fact: when the body is hot , sweat is produced to cool the body.
answer:
body heating causes.


question:
Fact: Roundworms reproduce sexually.
answer:

reproduce their young.