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

[EX Q]: Trujillo and Chiclayo are cities in which country in the Americas?
[EX A]: chiclayo

[EX Q]: Which pop group consisted of Huw Bunford, Clan Caren, Dafydd Leuan, Guto Price and Gryff Rhuys?
[EX A]: huw bunford

[EX Q]: Which Belgian city hosted the 1920 summer Olympics?
[EX A]:
1920 summer olympics