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

[EX Q]: Christopher Eccleston, Kerry Fox and Ewan McGregor played flatmates in which 1994 film?
[EX A]: christopher eccleston

[EX Q]: Which four letter word beginning with 'F' is a white crumbly Greek cheese, made from sheep's or goats milk and cured in brine?
[EX A]: sheep

[EX Q]: Which TV comedy series was set on Craggy Island?
[EX A]:
craggy island