context: It is probably not the case that Bernhard is a rhino. There is a better than even chance that Bill went to the garden. We doubt that Lily is yellow.
hypothesis: It is highly unlikely that lily is yellow, and Bernhard is a rhino.
valid_hypothesis: It is highly unlikely that lily is yellow, and Bernhard is a rhino.
invalid_hypothesis: We believe that lily is yellow, and Bernhard is a rhino.
hypothesis_assertion: Lily is yellow, and Bernhard is a rhino.