context: It is probably the case that Brian is green. We doubt that Sandra left the milk. It is impossible that Bernhard is yellow.
hypothesis: Chances are slight that either Brian is green, or Sandra left the milk.
valid_hypothesis: There is a better than even chance that either Brian is green, or Sandra left the milk.
invalid_hypothesis: Chances are slight that either Brian is green, or Sandra left the milk.
hypothesis_assertion: Either Brian is green, or Sandra left the milk.