Chances are slight that Mary moved to the office. It is likely that Bill is in the school. It is highly likely that Julius is a rhino. It is almost certain that if either Mary moved to the office, or Julius is a rhino, then Greg is a swan. We doubt that if Mary moved to the office, and Julius is a rhino, then John picked up the milk. It is impossible that if Julius is a rhino, and Bill is in the school, then Lily is white.
It is improbable that either John picked up the milk, or Mary moved to the office.
It is improbable that either John picked up the milk, or Mary moved to the office.
There is a very good chance that either John picked up the milk, or Mary moved to the office.
Either John picked up the milk, or Mary moved to the office.