Q: Is the question "What does the '' c '' stand for in the equation E=mc2 ?" asking about an entity, an abbreviation, a description, a human, a location, or a numeric entity?
A: abbreviation

Q: Is the question "What country 's national passenger rail system is called Via ?" asking about an entity, an abbreviation, a description, a human, a location, or a numeric entity?
A: location

Q: Is the question "What is the definition of cosmology ?" asking about an entity, an abbreviation, a description, a human, a location, or a numeric entity?
A: description

Q: Is the question "What does a red flag mean in auto racing ?" asking about an entity, an abbreviation, a description, a human, a location, or a numeric entity?
A:
description