context: It is highly likely that Brian is a swan. We believe that Lily is green. It is likely that Julius is gray. Chances are slight that if Lily is green, or Julius is gray, then Sandra grabbed the milk. It is probably the case that if either Brian is a swan, or Julius is gray, then Mary moved to the office. We doubt that if Lily is green, or Julius is gray, then Bernhard is a rhino.
hypothesis: It is probably not the case that either Bernhard is a rhino, or Sandra grabbed the milk.
valid_hypothesis: It is probably not the case that either Bernhard is a rhino, or Sandra grabbed the milk.
invalid_hypothesis: It is likely that either Bernhard is a rhino, or Sandra grabbed the milk.
hypothesis_assertion: Either Bernhard is a rhino, or Sandra grabbed the milk.