Problem: What type of thing is the question "What explosive do you get by mixing charcoal , sulfur and saltpeter ?" asking about?
Answer: entity

Problem: What type of thing is the question "What cigarette company urged us , `` Come to where the flavor is ? ''" asking about?
Answer: human

Problem: What type of thing is the question "What are the different approaches of systems analysis ?" asking about?
Answer:
entity