Which of following is a valid conclusion from the premise. “Nigeria footballers are good footballers”?

Options

1. Joseph plays football in Nigeria therefore he is a good footballer
2. Joseph is a good footballer therefore he is a Nigerian footballer
3. Joseph is a Nigerian footballer therefore he is a good footballer
4. Joseph plays good football therefore he is a Nigerian footballer

The correct answer is C.

Explanation:

From the Venn diagram, Nigeria footballers from a subset of good footballers.