There is a better than even chance that Mary dropped the apple. It is certain that Greg is a rhino. Chances are slight that John went to the bedroom. There is a very good chance that if either Greg is a rhino, or Mary dropped the apple, then Bernhard is a swan. It is highly likely that if Mary dropped the apple, and John went to the bedroom, then Brian is a lion. It is highly unlikely that if Mary dropped the apple, or John went to the bedroom, then Lily is green.
Chances are slight that lily is green, or John went to the bedroom.
Chances are slight that lily is green, or John went to the bedroom.
There is a very good chance that lily is green, or John went to the bedroom.
Lily is green, or John went to the bedroom.