Input: To what does Microsoft 's Windows 3 owe its success ?

What kind of thing would answer this question?

OPTIONS:
- description
- entity
- abbreviation
- human
- numeric
- location
***
Output: entity


Input: What U.S. city 's skyline boasts the Gateway Arch ?

What kind of thing would answer this question?

OPTIONS:
- description
- entity
- abbreviation
- human
- numeric
- location
***
Output: location


Input: What Don McLean song laments the day Buddy Holly died ?

What kind of thing would answer this question?

OPTIONS:
- description
- entity
- abbreviation
- human
- numeric
- location
***
Output:
entity