There is a very good chance that Mary picked up the milk. There is almost no chance that Brian is white. We doubt that Bernhard is a swan. It is probably the case that if either Brian is white, or Bernhard is a swan, then Sumit is bored. There is a very good chance that if Brian is white, or Mary picked up the milk, then Julius is a frog. Chances are about even that if Bernhard is a swan, and Mary picked up the milk, then Sandra left the apple.
It is probably not the case that mary picked up the milk, or Sandra left the apple.
There is a very good chance that mary picked up the milk, or Sandra left the apple.
It is probably not the case that mary picked up the milk, or Sandra left the apple.
Mary picked up the milk, or Sandra left the apple.