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

Ex Input:
In music, which band consists of Billy Gibbons, Dusty Hill and Frank Beard?

Ex Output:
frank beard


Ex Input:
Richard Addinsell's most famous piece of music was used in the 1941 film 'Dangerous Moonlight', what is its title?

Ex Output:
dangerous moonlight


Ex Input:
With which re-released song did The Bluebells have a number one hit in 1993?

Ex Output:

the bluebells