context: It is unlikely that Bill left the milk. We believe that Bernhard is a rhino. It is certain that John grabbed the apple.
hypothesis: It is likely that either Bernhard is a rhino, or Bill left the milk.
valid_hypothesis: It is likely that either Bernhard is a rhino, or Bill left the milk.
invalid_hypothesis: It is highly unlikely that either Bernhard is a rhino, or Bill left the milk.
hypothesis_assertion: Either Bernhard is a rhino, or Bill left the milk.