TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Who directed the film `Back To The Future`?

SOLUTION: back to the future

PROBLEM: Brothers Richard and Simon Mantell played which sport for England in the 2010 Commonwealth Games?

SOLUTION: 2010 commonwealth games

PROBLEM: Cleeve Hill, at 330m, is the highest point in which range of hills in south-western and west central England ?

SOLUTION:
cleeve hill