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

Ex Input:
Bound for Glory is the 1943 autobiography of which singer-songwriter?

Ex Output:
bound for glory


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:
Which of the Great Lakes touches Chicago?

Ex Output:

chicago