context: Chances are slight that Sandra left the milk. It is probably not the case that Greg is gray. Chances are about even that Bernhard is a rhino.
hypothesis: Chances are about even that either Bernhard is a rhino, or Greg is gray.
valid_hypothesis: Chances are about even that either Bernhard is a rhino, or Greg is gray.
invalid_hypothesis: There is almost no chance that either Bernhard is a rhino, or Greg is gray.
hypothesis_assertion: Either Bernhard is a rhino, or Greg is gray.