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 former Blue Peter presenter died in April 2004, aged 41?

SOLUTION: blue peter

PROBLEM: In which US state would you find the cities of Chesapeake, Roanoke and Fredericksburg?

SOLUTION: fredericksburg

PROBLEM: Who was the female star of the Rome-set film, 'La Dolce Vita'?

SOLUTION:
dolce vita