There is little chance that Greg is a frog. We believe that Brian is gray. It is almost certain that Julius is yellow. It is probably the case that if Julius is yellow, or Greg is a frog, then John discarded the apple. It is certain that if either Greg is a frog, or Julius is yellow, then Daniel grabbed the milk. Chances are slight that if either Brian is gray, or Julius is yellow, then Lily is a frog.
It is highly likely that either Brian is gray, or Daniel grabbed the milk.
It is probably not the case that either Brian is gray, or Daniel grabbed the milk.
It is highly likely that either Brian is gray, or Daniel grabbed the milk.
Either Brian is gray, or Daniel grabbed the milk.