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: Reptile parents provide little if any care to their young.
[EX A]: reptile crocodile.

[EX Q]: Fact: the uterus is used in reproduction.
[EX A]: reproduction is having offspring.

[EX Q]: Fact: hearing is used for sensing sound by animals.
[EX A]:
animal dog.