There is a very good chance that Mary went to the kitchen. Chances are about even that Greg is a frog. It is unlikely that Julius is yellow. We doubt that if Julius is yellow, and Mary went to the kitchen, then Emily is a cat. It is probably not the case that if either Mary went to the kitchen, or Greg is a frog, then Brian is green. We believe that if either Mary went to the kitchen, or Julius is yellow, then Sandra took the milk.
There is a very good chance that mary went to the kitchen, or Sandra took the milk.
There is a very good chance that mary went to the kitchen, or Sandra took the milk.
We doubt that mary went to the kitchen, or Sandra took the milk.
Mary went to the kitchen, or Sandra took the milk.