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 released the albums Sentimental Journey, Goodnight Vienna, Bad Boy, Old Wave and Vertical Man between 1970 and 1999?

SOLUTION: vertical man

PROBLEM: Which English county has districts called Blaby, Charnwood and Melton?

SOLUTION:
blaby district