What is the question "What feathered cartoon characters do Yugoslavians know as Vlaja , Gaja , and Raja ?" asking about?

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

What is the question "What kind of crystals exist ?" asking about?

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

What is the question "How much electricity does the brain need to work ?" asking about?

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

What is the question "Who is the richest person in the world , without owning a business ?" asking about?

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