TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Which Afro American super model, TV personality and singer hosts the TV show, America's Next Top Model and also has her own daytime TV chat show?

SOLUTION: america's next top model

PROBLEM: What are Proxima Centauri, Sirius A, Pollux, Arcturus and Betelgeuse?

SOLUTION: arcturus

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

SOLUTION:
tracy