What is the question "Who made the rotary engine automobile ?" asking about?

OPTIONS:
- description
- entity
- abbreviation
- human
- numeric
- location
A: human

What is the question "What is nuclear proliferation ?" asking about?

OPTIONS:
- description
- entity
- abbreviation
- human
- numeric
- location
A: description

What is the question "Who created private detective Philip Marlowe ?" asking about?

OPTIONS:
- description
- entity
- abbreviation
- human
- numeric
- location
A: human

What is the question "What is the rarest coin ?" asking about?

OPTIONS:
- description
- entity
- abbreviation
- human
- numeric
- location
A:
entity