instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Lexus is the luxury vehicle division of what car maker?
answer:
lexus


question:
In the British Army, what rank falls between Major General and Colonel?
answer:
british army


question:
Bob Hope is a character in which British TV soap opera?
answer:

soap opera