Problem: Determine the topic of the question. Question: "where did hurricane katrina begin?" Topic:

A: Hurricane Katrina

Problem: Determine the topic of the question. Question: "what caused ww?" Topic:

A: Causes of World War I

Problem: Determine the topic of the question. Question: "when did lucy stone died?" Topic:

A: Lucy Stone

Problem: Determine the topic of the question. Question: "what does salesforce.com do??" Topic:

A:
Salesforce.com