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

Ex Input:
What did Edwin Land invent because of his daughters' wish for instant and 'snappy' results?

Ex Output:
edwin h. land


Ex Input:
At the recent Tony Awards who won the award for Best Actress in a Play for her performance as Queen Elizabeth II in the play The Audience by Peter Morgan?

Ex Output:
tony award for best actress in a play


Ex Input:
What is the name of Charlie Chaplin's 1952 film about ballet?

Ex Output:

charlie chaplin