Input: Madonna hocks which soft drink ?

What kind of thing would answer this question?
***
Output: entity

Input: What animal received royal assent as an emblem of Canada on March 24 , 1975 ?

What kind of thing would answer this question?
***
Output: entity

Input: What is the most important nation in the world , historically ?

What kind of thing would answer this question?
***
Output:
location