context: Chances are slight that Sandra grabbed the milk. It is improbable that Bernhard is a rhino. It is highly likely that Julius is green.
hypothesis: We doubt that either Bernhard is a rhino, or Sandra grabbed the milk.
valid_hypothesis: We doubt that either Bernhard is a rhino, or Sandra grabbed the milk.
invalid_hypothesis: We believe that either Bernhard is a rhino, or Sandra grabbed the milk.
hypothesis_assertion: Either Bernhard is a rhino, or Sandra grabbed the milk.