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

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:
Which pop group consisted of Huw Bunford, Clan Caren, Dafydd Leuan, Guto Price and Gryff Rhuys?

Ex Output:
huw bunford


Ex Input:
Producer Alex Korda engaged Anton Karas to score which entire film, after it had been edited together, using only one instrument?

Ex Output:

anton karas