context: It is likely that Lily is a swan. It is likely that Julius is a rhino. It is unlikely that Bernhard is white. It is unlikely that if Lily is a swan, and Julius is a rhino, then Mary is in the bedroom. There is a better than even chance that if either Bernhard is white, or Lily is a swan, then John discarded the milk. We doubt that if either Bernhard is white, or Julius is a rhino, then Brian is a lion.
hypothesis: It is almost certain that lily is a swan, and Mary is in the bedroom.
valid_hypothesis: Chances are slight that lily is a swan, and Mary is in the bedroom.
invalid_hypothesis: It is almost certain that lily is a swan, and Mary is in the bedroom.
hypothesis_assertion: Lily is a swan, and Mary is in the bedroom.