It is unlikely that Julius is white. Chances are slight that Mary dropped the milk. It is improbable that Jessica is a mouse. There is a very good chance that if either Mary dropped the milk, or Jessica is a mouse, then Bernhard is a rhino. It is highly likely that if either Mary dropped the milk, or Julius is white, then Brian is a lion. There is little chance that if either Jessica is a mouse, or Mary dropped the milk, then John went to the garden.
It is probably not the case that mary dropped the milk, or Julius is white.
It is probably not the case that mary dropped the milk, or Julius is white.
It is probable that mary dropped the milk, or Julius is white.
Mary dropped the milk, or Julius is white.