Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Ex Input:
Which boxer won a 1.8m claim against promotor Frank Warren in March 2009?

Ex Output:
boxing


Ex Input:
Field Marshal Arthur Wellesley, shares his better known title with which Southern Hemisphere capital city?

Ex Output:
arthur wellesley, 1st duke of wellington


Ex Input:
What passes between the sun and earth to make a solar eclipse?

Ex Output:

earth