It is probably not the case that Greg is a swan. It is highly unlikely that Mary moved to the office. It is probably not the case that Brian is a rhino. It is highly unlikely that if either Brian is a rhino, or Mary moved to the office, then Fred dropped the apple. It is probable that if Mary moved to the office, or Brian is a rhino, then John went to the garden. It is almost certain that if Greg is a swan, or Brian is a rhino, then Antoine is hungry.
We believe that john went to the garden, or Mary moved to the office.
It is unlikely that john went to the garden, or Mary moved to the office.
We believe that john went to the garden, or Mary moved to the office.
John went to the garden, or Mary moved to the office.