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

Ex Input:
Who wrote the novel 'Brideshead Revisited'?

Ex Output:
brideshead revisited


Ex Input:
The 2002 Winter Olympics were held in which city?

Ex Output:
2002 winter olympics


Ex Input:
David Seaman and David Beckham are connected with which sport?

Ex Output:

david beckham