Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

[EX Q]: Which brothers own the Daily Telegraph?
[EX A]: the daily telegraph

[EX Q]: The Greeks called her Athena, what was the Roman name for this Goddess?
[EX A]: athena

[EX Q]: Deimos is a moon of which planet?
[EX A]:
deimos