Problem: What type of thing is the question "Who did Napolean defeat at Jena and Auerstadt ?" asking about?
Answer: human

Problem: What type of thing is the question "What country buys 25 percent of the world 's tea exports ?" asking about?
Answer: location

Problem: What type of thing is the question "What state is Niagara Falls located in ?" asking about?
Answer:
location