TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: What name is given to the Fourth (4th) movement in Beethoven's / Ninth (9th) Symphony?

SOLUTION: ludwig van beethoven

PROBLEM: What is the second largest of the Balearic Islands ?

SOLUTION: balearic islands

PROBLEM: Who wrote the book Das Kapital?

SOLUTION:
capital: critique of political economy