We doubt that Bill went to the office. It is probably not the case that Julius is gray. Chances are about even that Bernhard is a frog. We believe that if Bernhard is a frog, or Bill went to the office, then Greg is a swan. We doubt that if either Julius is gray, or Bernhard is a frog, then Mary got the milk. Chances are about even that if Bernhard is a frog, and Julius is gray, then Brian is green.
It is highly unlikely that bill went to the office, and Julius is gray.
It is highly unlikely that bill went to the office, and Julius is gray.
It is almost certain that bill went to the office, and Julius is gray.
Bill went to the office, and Julius is gray.