TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Cinder Cone, composite, and shield are all types of what?

SOLUTION: cinder cone

PROBLEM: Thereze Bazar and David van Day were better known as which duo?

SOLUTION: david van day

PROBLEM: As at 2012 what 115-island Indian Ocean nation has the smallest population (about 86,000) of any African country?

SOLUTION:
africa