It is improbable that Sandra took the football. Chances are slight that Greg is a swan. It is impossible that Bernhard is gray. There is a very good chance that if either Greg is a swan, or Sandra took the football, then Winona is a mouse. It is probably not the case that if Greg is a swan, and Sandra took the football, then Brian is yellow. Chances are slight that if either Greg is a swan, or Sandra took the football, then Lily is a lion.
It is impossible that bernhard is gray, and Sandra took the football.
It is impossible that bernhard is gray, and Sandra took the football.
It is certain that bernhard is gray, and Sandra took the football.
Bernhard is gray, and Sandra took the football.