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

[EX Q]: Of which Canadian Province is Labrador a part?
[EX A]: canada

[EX Q]: James Dearden wrote which book, made into a famous film directed by Adrian Lyne, in 1987?
[EX A]: adrian lyne

[EX Q]: In which European countryis 'Bourgas International Airport'?
[EX A]:
burgas