It is probably not the case that Greg is a swan. We doubt that Mary went to the hallway. It is almost certain that Antoine is hungry. It is probably not the case that if Greg is a swan, or Antoine is hungry, then Brian is a rhino. It is highly likely that if Mary went to the hallway, or Greg is a swan, then Daniel left the apple. There is a very good chance that if Greg is a swan, and Antoine is hungry, then John got the apple.
We doubt that mary went to the hallway, and Daniel left the apple.
We doubt that mary went to the hallway, and Daniel left the apple.
It is probable that mary went to the hallway, and Daniel left the apple.
Mary went to the hallway, and Daniel left the apple.