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 Input:
Fact: if fossils of an animal or plant are found in a place then that animal or plant used to live in that place.

Ex Output:
fossil dinosaur.


Ex Input:
Fact: Sweating reduces body heat.

Ex Output:
"body heat" reduces sweating.


Ex Input:
Fact: clouds are formed by water vapor rising into colder regions of the atmosphere and condensing.

Ex Output:

clouds drop rain.