context: We believe that John moved to the office. There is a better than even chance that Bernhard is gray. Chances are slight that Lily is a rhino.
hypothesis: It is impossible that john moved to the office, and Bernhard is gray.
valid_hypothesis: Chances are about even that john moved to the office, and Bernhard is gray.
invalid_hypothesis: It is impossible that john moved to the office, and Bernhard is gray.
hypothesis_assertion: John moved to the office, and Bernhard is gray.