Problem: What type of thing is the question "What 2th-century American poet wrote a four-volume biography of Abraham Lincoln ?" asking about?
Answer: human

Problem: What type of thing is the question "What Frederick Forsyth novel chronicles the toppling of an African government by mercenaries ?" asking about?
Answer: entity

Problem: What type of thing is the question "What is the economic impact of unemployment on the economy ?" asking about?
Answer:
description