It is unlikely that Brian is a frog. There is little chance that Bernhard is a swan. It is almost certain that Julius is white. It is highly unlikely that if either Julius is white, or Brian is a frog, then Greg is gray. There is a better than even chance that if Julius is white, and Bernhard is a swan, then Mary is in the school. It is highly unlikely that if either Brian is a frog, or Julius is white, then John left the football.
It is likely that mary is in the school, and John left the football.
It is impossible that mary is in the school, and John left the football.
It is likely that mary is in the school, and John left the football.
Mary is in the school, and John left the football.