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

Ex Input:
Who directed the film Bonnie and Clyde?

Ex Output:
bonnie and clyde


Ex Input:
Which group had a top ten hit with 'Driving in My Car' in 1982?

Ex Output:
driving in my car


Ex Input:
The 'Autobots' and the 'Decepticons' are the main factions of which toy line?

Ex Output:

decepticon