We doubt that Mary went to the office. It is probably the case that Greg is a frog. It is unlikely that Winona is a cat. It is unlikely that if Greg is a frog, or Mary went to the office, then Bernhard is gray. It is probably the case that if either Winona is a cat, or Greg is a frog, then Lily is a swan. It is impossible that if either Mary went to the office, or Greg is a frog, then John left the milk.
It is impossible that john left the milk, and Mary went to the office.
It is impossible that john left the milk, and Mary went to the office.
There is a better than even chance that john left the milk, and Mary went to the office.
John left the milk, and Mary went to the office.