context: It is probably not the case that Bernhard is a swan. Chances are about even that Julius is a rhino. There is little chance that Bill discarded the milk.
hypothesis: There is a better than even chance that julius is a rhino, and Bill discarded the milk.
valid_hypothesis: It is highly unlikely that julius is a rhino, and Bill discarded the milk.
invalid_hypothesis: There is a better than even chance that julius is a rhino, and Bill discarded the milk.
hypothesis_assertion: Julius is a rhino, and Bill discarded the milk.