Chances are about even that Mary is in the school. It is likely that Brian is a frog. Chances are about even that Julius is a swan. It is probably the case that if Julius is a swan, or Mary is in the school, then Bernhard is yellow. It is certain that if Mary is in the school, and Julius is a swan, then John went to the hallway. It is probably the case that if Brian is a frog, or Mary is in the school, then Sandra took the football.
It is impossible that mary is in the school, or Bernhard is yellow.
It is likely that mary is in the school, or Bernhard is yellow.
It is impossible that mary is in the school, or Bernhard is yellow.
Mary is in the school, or Bernhard is yellow.