What is the question "What were the first frozen foods ?" asking about?

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

What is the question "What were the causes of the Civil War ?" asking about?

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- description
- entity
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A: description

What is the question "What Stephen Sondheim ballad ends : `` Well , maybe next year.. . '' ?" asking about?

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- entity
- abbreviation
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A: entity

What is the question "What does NECROSIS mean ?" asking about?

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- description
- entity
- abbreviation
- human
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A:
abbreviation