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 popular animated characters, first seen in 1996 include many different characters including ones called Ash Ketchum, Tracy Sketchit and Gar Oak?

Ex Output:
tracy


Ex Input:
The Crocodile Hunter was a nickname given to what Australian naturalist, who was killed by a slightly irritated sting ray in 2006?

Ex Output:

the crocodile hunter