What is the question "What is the oldest profession ?" asking about?
A: human

What is the question "Who is the Prophet of Medina ?" asking about?
A: human

What is the question "Where are the U.S. headquarters for Procter & Gamble ?" asking about?
A: location

What is the question "What businesses in Alaska were affected by the Exxon Valdez oil spill ?" asking about?
A:
human