Problem: What type of thing is the question "What impenetrable system of French fortifications was built along the German frontier before World War II ?" asking about?
Answer: entity

Problem: What type of thing is the question "Who wrote Brave New World ?" asking about?
Answer: human

Problem: What type of thing is the question "What 's the meaning of the Latin battle cry : Ad arma , ad arma ." asking about?
Answer:
description