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

Ex Input:
Chris Difford and Glenn Tilbrook founded which band in 1974?

Ex Output:
chris difford


Ex Input:
What was the name of country music`s first superstar who died at the age of 29 from drink and drug abuse?

Ex Output:
country music


Ex Input:
Arthur Thistlewood led which failed conspiracy in 1820 ?

Ex Output:

arthur thistlewood