There is a better than even chance that Bernhard is white. We believe that Greg is a swan. It is highly unlikely that John moved to the office.
It is improbable that either John moved to the office, or Greg is a swan.
We believe that either John moved to the office, or Greg is a swan.
It is improbable that either John moved to the office, or Greg is a swan.
Either John moved to the office, or Greg is a swan.