We doubt that Greg is a swan. There is a very good chance that John went to the bedroom. We doubt that Lily is yellow. It is improbable that if Lily is yellow, and Greg is a swan, then Antoine is hungry. There is little chance that if Greg is a swan, and John went to the bedroom, then Julius is a rhino. It is unlikely that if either Greg is a swan, or John went to the bedroom, then Brian is green.
It is impossible that antoine is hungry, and Brian is green.
It is impossible that antoine is hungry, and Brian is green.
We believe that antoine is hungry, and Brian is green.
Antoine is hungry, and Brian is green.