There is a very good chance that Greg is a lion. It is impossible that Mary put down the milk. It is improbable that Brian is a rhino.
It is probably not the case that mary put down the milk, or Greg is a lion.
There is a very good chance that mary put down the milk, or Greg is a lion.
It is probably not the case that mary put down the milk, or Greg is a lion.
Mary put down the milk, or Greg is a lion.