We believe that Bill dropped the milk. It is improbable that Mary went to the hallway. It is probable that Greg is a frog. Chances are about even that if Greg is a frog, or Bill dropped the milk, then Bernhard is gray. It is highly unlikely that if either Mary went to the hallway, or Bill dropped the milk, then Brian is a rhino. Chances are about even that if Greg is a frog, or Mary went to the hallway, then Jeff moved to the office.
It is highly unlikely that mary went to the hallway, and Jeff moved to the office.
It is highly unlikely that mary went to the hallway, and Jeff moved to the office.
It is probably the case that mary went to the hallway, and Jeff moved to the office.
Mary went to the hallway, and Jeff moved to the office.