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: Most carcinogens cause cancer by producing mutations in DNA.
[A]: cancer can cause death.


[Q]: Fact: Sperm are released into the surrounding water through the osculum.
[A]: Male gamete are sperm.


[Q]: Fact: preventing the transfer of heat from an organims 's body causes that organism to keep warm.
[A]:
Keeping warm.