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

[EX Q]: The plays 'The Barber of Seville' and 'Marriage of Figaro' were written by whom?
[EX A]: the marriage of figaro

[EX Q]: The Briish Airways subsidiary BA Connect was sold to which other airline?
[EX A]: airline

[EX Q]: Who plays the role of Sharon Watts in the TV soap opera `Eastenders`?
[EX A]:
eastenders