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

Ex Input:
Which mountain range extends through Morocco, Tunisia and Algeria, with its highest peak at Mount Jebel Toubkal?

Ex Output:
tunisia


Ex Input:
Which British composer wrote the music used as the theme for Desert Island Discs  He also wrote the Dambusters march and the Knightsbridge march.?

Ex Output:
the dam busters


Ex Input:
In Kill Bill, who played the character of Black Mamba?

Ex Output:

black mamba