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

Ex Input:
Mr Barkis, Edward Murdstone and Tommy Traddles are all characters in which Charles Dickens novel?

Ex Output:
charles dickens


Ex Input:
What highly influential movement of artwork is considered established by Picasso, Braque, Metzinger and others in Paris, 1911?

Ex Output:
jean metzinger


Ex Input:
What is the name of British Columbia's most popular ski resort, which was home to the alpine skiing events in the 2010 Winter Olympics?

Ex Output:

2010 winter olympics