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

[EX Q]: Which jockey won the 1981 UK Grand National on Aldaniti?
[EX A]: aldaniti

[EX Q]: Who played Captain Jean-Luc Picard in the television series 'Star-Trek: The Next Generation'?
[EX A]: jean-luc picard

[EX Q]: What is the capital of Bosnia?
[EX A]:
bosnia and herzegovina