It is probably not the case that Bill moved to the garden. It is impossible that Julius is a swan. It is probable that Bernhard is a swan. There is little chance that if either Julius is a swan, or Bernhard is a swan, then Brian is a lion. It is impossible that if either Julius is a swan, or Bill moved to the garden, then Greg is a rhino. We doubt that if Bernhard is a swan, and Julius is a swan, then John went to the bedroom.
It is probably not the case that either John went to the bedroom, or Bill moved to the garden.
It is probably not the case that either John went to the bedroom, or Bill moved to the garden.
It is almost certain that either John went to the bedroom, or Bill moved to the garden.
Either John went to the bedroom, or Bill moved to the garden.