Four people with black hair pose for a picture with windows in the background .
It is probably the case that four people with black hair and blue eyes pose for a picture with windows in the background .
It is impossible that four people with black hair and blue eyes pose for a picture with windows in the background .
It is probably the case that four people with black hair and blue eyes pose for a picture with windows in the background .
Four people with black hair and blue eyes pose for a picture with windows in the background .