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

[EX Q]: Chris Martin is the lead vocalist and rhythm guitarist with which group?
[EX A]: chris martin

[EX Q]: The Bryce Canyon and Zion National Parks are in which US state?
[EX A]: bryce canyon national park

[EX Q]: Which once-successful hosiery company was set up by Asil Nadir?
[EX A]:
asil nadir