TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Which boxer won a 1.8m claim against promotor Frank Warren in March 2009?

SOLUTION: boxing

PROBLEM: What is the only nation state of the Commonwealth of Nations on the mainland of South America?

SOLUTION: commonwealth of nations

PROBLEM: The islands Santa Ysabel, Choiseul, Guadalcanal, Malaita and San Cristbal are in which group?

SOLUTION:
malaita