We doubt that Lily is a swan. It is certain that Mary got the football. We doubt that Greg is yellow. It is almost certain that if either Lily is a swan, or Mary got the football, then Brian is a lion. It is certain that if Mary got the football, and Lily is a swan, then John put down the apple. There is a very good chance that if Lily is a swan, or Mary got the football, then Julius is green.
It is highly likely that john put down the apple, or Greg is yellow.
It is probably not the case that john put down the apple, or Greg is yellow.
It is highly likely that john put down the apple, or Greg is yellow.
John put down the apple, or Greg is yellow.