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

Ex Input:
Who is the BBC's political editor?

Ex Output:
bbc


Ex Input:
And Another Thing... by Eoin Colfer, published in 2009, eight years after the death of the author of the first five, is described as the sixth in which trilogy of books?

Ex Output:
and another thing...


Ex Input:
In which American sitcom did the character Dan Conner appear?

Ex Output:

dan conner