It is certain that Lily is a swan. There is little chance that Brian is a rhino. There is a very good chance that John put down the milk. It is almost certain that if Brian is a rhino, or Lily is a swan, then Sandra left the apple. There is a better than even chance that if either Brian is a rhino, or John put down the milk, then Julius is gray. It is impossible that if Lily is a swan, and John put down the milk, then Mary is in the bedroom.
Chances are about even that either John put down the milk, or Julius is gray.
Chances are about even that either John put down the milk, or Julius is gray.
It is impossible that either John put down the milk, or Julius is gray.
Either John put down the milk, or Julius is gray.