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.

Input: Consider Input: Fact: sexual reproduction increases genetic diversity.

Output: genetic diversity creates evolution.


Input: Consider Input: Fact: damming a river can cause a lake to form.

Output: beaver dam.


Input: Consider Input: Fact: claws are used to catch prey by some predators.


Output: claw paw.