context: It is probably the case that Mary dropped the apple. We believe that Fred is in the bedroom. We doubt that Julius is gray. It is improbable that if Julius is gray, or Mary dropped the apple, then Sandra left the milk. It is probably not the case that if Mary dropped the apple, and Julius is gray, then Bernhard is green. Chances are slight that if Fred is in the bedroom, and Mary dropped the apple, then Greg is yellow.
hypothesis: There is little chance that bernhard is green, or Greg is yellow.
valid_hypothesis: There is little chance that bernhard is green, or Greg is yellow.
invalid_hypothesis: It is highly likely that bernhard is green, or Greg is yellow.
hypothesis_assertion: Bernhard is green, or Greg is yellow.