We believe that John took the apple. Chances are slight that Daniel got the milk. It is certain that Greg is a swan. We doubt that if either Greg is a swan, or John took the apple, then Julius is white. It is highly unlikely that if John took the apple, and Greg is a swan, then Jeff went to the garden. It is unlikely that if Greg is a swan, and Daniel got the milk, then Mary dropped the milk.
There is almost no chance that mary dropped the milk, and John took the apple.
There is almost no chance that mary dropped the milk, and John took the apple.
There is a very good chance that mary dropped the milk, and John took the apple.
Mary dropped the milk, and John took the apple.