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

Ex Input:
Which hero of science fiction was created by Alex Raymond?

Ex Output:
alex raymond


Ex Input:
Which composer was married to Clara Wieck from 1840 until his death in 1856?

Ex Output:
clara schumann


Ex Input:
Under what pseudonym did JK Rowling publish the book 'The Cuckoo's Calling'?

Ex Output:

the cuckoo's calling