It is probably not the case that John went to the hallway. There is a very good chance that Sandra dropped the milk. It is certain that Gertrude is a wolf. It is almost certain that if Sandra dropped the milk, and Gertrude is a wolf, then Mary got the football. It is certain that if Gertrude is a wolf, or Sandra dropped the milk, then Brian is a lion. It is unlikely that if Gertrude is a wolf, or Sandra dropped the milk, then Bernhard is green.
There is a very good chance that mary got the football, or John went to the hallway.
There is a very good chance that mary got the football, or John went to the hallway.
It is probably not the case that mary got the football, or John went to the hallway.
Mary got the football, or John went to the hallway.