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

[EX Q]: Who directed the film `Back To The Future`?
[EX A]: back to the future

[EX Q]: The strongly featured character Alyson/Alys in Chaucer's Canterbury Tales is better known as?
[EX A]: the canterbury tales

[EX Q]: The ship 'Cutty Sark' was built in which Scottish dockyard town?
[EX A]:
cutty sark