Chances are about even that Jeff moved to the office. It is almost certain that Julius is a frog. It is probably not the case that Greg is a swan. It is likely that if Julius is a frog, or Greg is a swan, then Bill went to the bedroom. It is probably not the case that if either Greg is a swan, or Julius is a frog, then John is in the hallway. There is a very good chance that if Julius is a frog, and Jeff moved to the office, then Gertrude is a mouse.
Chances are about even that either Jeff moved to the office, or John is in the hallway.
Chances are about even that either Jeff moved to the office, or John is in the hallway.
It is almost certain that either Jeff moved to the office, or John is in the hallway.
Either Jeff moved to the office, or John is in the hallway.