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.

[Q]: Fact: when a body of water receives more water than it can hold , a flood occurs.
[A]: body of water river.


[Q]: Fact: when the body is hot , sweat is produced to cool the body.
[A]: body heating causes.


[Q]: Fact: the surface of a beach is formed by mechanical weathering.
[A]:
beach erosion.