It is probably the case that Brian is gray. It is likely that John went to the hallway. There is little chance that Greg is a rhino. There is a very good chance that if Greg is a rhino, or John went to the hallway, then Mary moved to the office. It is probably not the case that if either Greg is a rhino, or John went to the hallway, then Lily is white. There is little chance that if Greg is a rhino, or John went to the hallway, then Julius is a frog.
Chances are about even that mary moved to the office, and Brian is gray.
Chances are about even that mary moved to the office, and Brian is gray.
It is highly unlikely that mary moved to the office, and Brian is gray.
Mary moved to the office, and Brian is gray.