context: There is a better than even chance that Greg is white. It is probable that Brian is a swan. We doubt that Lily is green. There is almost no chance that if Lily is green, or Greg is white, then Bernhard is a frog. It is highly unlikely that if Greg is white, and Brian is a swan, then John discarded the apple. It is impossible that if Greg is white, and Lily is green, then Mary is in the garden.
hypothesis: It is probably not the case that john discarded the apple, or Brian is a swan.
valid_hypothesis: It is probably the case that john discarded the apple, or Brian is a swan.
invalid_hypothesis: It is probably not the case that john discarded the apple, or Brian is a swan.
hypothesis_assertion: John discarded the apple, or Brian is a swan.