Which one of the following diagrams best depicts the relationship among. Black eyed people, Brown haired people, Indian

As per the given above question , we know that
Some black eyed people may be brown haired and vice-versa.
Some black eyed people may be Indians and vice-versa.
Some brown haired people may be Indians and vice-versa.
Some black eyed and brown haired people may be Indians and vice–versa.
Therefore , option ( A ) will be correct .