TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Ewart was the middle name of which British Prime Minister?

SOLUTION: prime minister of the united kingdom

PROBLEM: Which British singer released a 1972 album entitled 'Blondes Have More Fun'?

SOLUTION: blondes have more fun

PROBLEM: John Adams and which other American president died on the Fourth of July 1826?

SOLUTION:
president of the united states