Chances are about even that Brian is green. There is little chance that John left the milk. It is unlikely that Julius is a frog. It is highly unlikely that if either Brian is green, or Julius is a frog, then Lily is white. There is little chance that if Brian is green, and Julius is a frog, then Mary went to the hallway. It is probable that if Brian is green, and Julius is a frog, then Bernhard is gray.
It is almost certain that either Lily is white, or Brian is green.
Chances are about even that either Lily is white, or Brian is green.
It is almost certain that either Lily is white, or Brian is green.
Either Lily is white, or Brian is green.