It is highly likely that Mary left the apple. There is a very good chance that Brian is a lion. It is almost certain that John dropped the milk. It is probable that if John dropped the milk, or Brian is a lion, then Julius is green. It is certain that if either Mary left the apple, or Brian is a lion, then Greg is yellow. There is a better than even chance that if John dropped the milk, or Brian is a lion, then Bernhard is gray.
It is probably not the case that either Mary left the apple, or Julius is green.
It is probably not the case that either Mary left the apple, or Julius is green.
It is probably the case that either Mary left the apple, or Julius is green.
Either Mary left the apple, or Julius is green.