TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Mar Chiquita (Cordoba) is the largest natural salt lake in which South American country?

SOLUTION: mar chiquita lake

PROBLEM: Which British singer released a 1972 album entitled 'Blondes Have More Fun'?

SOLUTION: blondes have more fun

PROBLEM: What is a medium-weight balanced plain-woven fabric, the name Indonesian in origin, that is made from dyed cotton or cotton-blend yarn?

SOLUTION:
cotton