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: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells.
[EX A]: abnormal mass cells.

[EX Q]: Fact: sexual reproduction increases genetic diversity.
[EX A]: genetic diversity creates evolution.

[EX Q]: Fact: Monotremes are mammals that reproduce by laying eggs.
[EX A]:
hatch reproduction egg.