It is highly unlikely that Mary took the apple. Chances are slight that Jessica is a wolf. It is unlikely that Brian is green. It is highly likely that if Jessica is a wolf, and Brian is green, then Lily is yellow. It is highly unlikely that if Jessica is a wolf, or Brian is green, then Greg is a lion. There is little chance that if Brian is green, or Jessica is a wolf, then Bernhard is white.
It is certain that lily is yellow, or Brian is green.
We doubt that lily is yellow, or Brian is green.
It is certain that lily is yellow, or Brian is green.
Lily is yellow, or Brian is green.