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

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?
america's next top model

Billy the Kid was a native of which US state?
billy

What was the name of Bob Marley's backing group?

bob marley