TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: In the British Army, what rank falls between Major General and Colonel?

SOLUTION: british army

PROBLEM: Who had hits with Stepping Out and Different For Girls?

SOLUTION: different for girls

PROBLEM: Who directed the film Citizen Kane (1941)?

SOLUTION:
citizen kane