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

Ex Input:
Which of the American Idol judges has been there for all 10 seasons?

Ex Output:
american idol


Ex Input:
In which book of the Bible are the Ten Commandments first mentioned?

Ex Output:
bible


Ex Input:
What member of the music and comedy duo The Flight of the Conchords was recently seen, under heavy disguise, as the Boris the Animal in the film Men in Black 3?

Ex Output:

flight of the conchords