It is probably the case that Brian is green. It is improbable that Greg is a lion. It is almost certain that Fred went to the hallway. Chances are about even that if either Fred went to the hallway, or Brian is green, then Bernhard is a lion. It is impossible that if Brian is green, or Greg is a lion, then Winona is a cat. It is probably the case that if Brian is green, or Greg is a lion, then Mary put down the milk.
It is probably not the case that mary put down the milk, or Brian is green.
It is likely that mary put down the milk, or Brian is green.
It is probably not the case that mary put down the milk, or Brian is green.
Mary put down the milk, or Brian is green.