It is almost certain that Greg is a frog. There is a better than even chance that Lily is yellow. It is probably not the case that Brian is a swan. It is improbable that if Greg is a frog, and Brian is a swan, then Bernhard is green. It is unlikely that if Brian is a swan, or Greg is a frog, then Mary is in the school. It is probable that if either Lily is yellow, or Brian is a swan, then John discarded the milk.
It is certain that john discarded the milk, or Mary is in the school.
Chances are about even that john discarded the milk, or Mary is in the school.
It is certain that john discarded the milk, or Mary is in the school.
John discarded the milk, or Mary is in the school.