It is highly likely that Julius is a lion. It is probable that Greg is yellow. It is probable that Sandra grabbed the apple. It is improbable that if Sandra grabbed the apple, or Julius is a lion, then Mary got the football. It is highly unlikely that if Julius is a lion, and Sandra grabbed the apple, then Brian is gray. It is probably not the case that if Julius is a lion, or Greg is yellow, then Bernhard is white.
Chances are about even that either Greg is yellow, or Sandra grabbed the apple.
Chances are about even that either Greg is yellow, or Sandra grabbed the apple.
It is certain that either Greg is yellow, or Sandra grabbed the apple.
Either Greg is yellow, or Sandra grabbed the apple.