context: It is likely that Bill is in the park. We doubt that Julius is a swan. It is impossible that Bernhard is green.
hypothesis: There is a better than even chance that bernhard is green, and Bill is in the park.
valid_hypothesis: It is impossible that bernhard is green, and Bill is in the park.
invalid_hypothesis: There is a better than even chance that bernhard is green, and Bill is in the park.
hypothesis_assertion: Bernhard is green, and Bill is in the park.