There is a better than even chance that Julius is yellow. It is highly unlikely that Brian is green. There is little chance that Bernhard is a lion. It is certain that if Brian is green, and Bernhard is a lion, then John went to the bedroom. It is unlikely that if Bernhard is a lion, or Julius is yellow, then Lily is a swan. It is improbable that if Julius is yellow, and Brian is green, then Mary grabbed the milk.
It is likely that john went to the bedroom, or Mary grabbed the milk.
It is impossible that john went to the bedroom, or Mary grabbed the milk.
It is likely that john went to the bedroom, or Mary grabbed the milk.
John went to the bedroom, or Mary grabbed the milk.