What is the question "What is the most populated city in the world ?" asking about?
A: location

What is the question "What author landed a 468-pound marlin without harness in the early 193 's ?" asking about?
A: human

What is the question "What was the verdict in the trial of Lizzie Borden ?" asking about?
A: description

What is the question "What is a common anti-AIDS drug ?" asking about?
A:
entity