What is the question "Which one of the original seven Mercury program astronauts did not fly on any of the Mercury flights ?" asking about?
A: human

What is the question "What is the difference between a preface and a foreword ?" asking about?
A: description

What is the question "What 's the abbreviation for trinitrotoluene ?" asking about?
A: abbreviation

What is the question "What is the origin of the word '' pallbearer ? ''" asking about?
A:
description