We believe that Bernhard is a lion. It is probably the case that John went to the office. There is a better than even chance that Brian is yellow. It is probably not the case that if Brian is yellow, and John went to the office, then Gertrude is a mouse. It is impossible that if either John went to the office, or Bernhard is a lion, then Greg is a swan. It is highly likely that if Brian is yellow, or Bernhard is a lion, then Mary dropped the milk.
It is highly likely that john went to the office, or Brian is yellow.
It is highly likely that john went to the office, or Brian is yellow.
There is little chance that john went to the office, or Brian is yellow.
John went to the office, or Brian is yellow.