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 boxer was nicknames 'The Brown Bomber'?

SOLUTION: boxing

PROBLEM: Who was British Prime Minister from 1922-23, shortly before he died?

SOLUTION: prime minister of the united kingdom

PROBLEM: Which actor married singer Dorothy Squires in 1953, who was 12 years older than him?

SOLUTION:
dorothy squires