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

Ex Input:
What nationality was the composer Bela Bartok?

Ex Output:
bela bartok


Ex Input:
Who played 'Emma Peel' in the 1998 film 'The Avengers'?

Ex Output:
the avengers


Ex Input:
Who sang the theme song to the film Born Free?

Ex Output:

born free