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

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

Ex Output:
2002 winter olympics


Ex Input:
Which 1976 Derek Jarman film was dialogued entirely in Latin?

Ex Output:
derek jarman


Ex Input:
Who created the 'Daleks' in 'Dr. Who' as well as the science fiction series 'Blakes's Seven' He died in 1997.?

Ex Output:

blake's 7