It is highly unlikely that Julius is gray. It is likely that Brian is yellow. We doubt that Jessica is a wolf. It is almost certain that if Jessica is a wolf, and Brian is yellow, then John took the football. It is highly likely that if either Julius is gray, or Jessica is a wolf, then Mary put down the apple. We doubt that if Brian is yellow, and Julius is gray, then Sandra grabbed the milk.
It is probably not the case that john took the football, or Mary put down the apple.
It is probably not the case that john took the football, or Mary put down the apple.
It is highly likely that john took the football, or Mary put down the apple.
John took the football, or Mary put down the apple.