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

Ex Input:
What nickname is given to the Australian Association Football International team?

Ex Output:
australia

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

Ex Output:
driving in my car

Ex Input:
Who had a 2007 hit with Big Girls Don't Cry?

Ex Output:
big girls don't cry