context: There is a better than even chance that John left the milk. It is almost certain that Bernhard is a rhino. It is probably not the case that Brian is yellow.
hypothesis: It is certain that bernhard is a rhino, or John left the milk.
valid_hypothesis: It is certain that bernhard is a rhino, or John left the milk.
invalid_hypothesis: Chances are about even that bernhard is a rhino, or John left the milk.
hypothesis_assertion: Bernhard is a rhino, or John left the milk.