context: It is highly unlikely that Bernhard is a frog. We believe that Bill left the milk. Chances are slight that John is in the office.
hypothesis: Chances are slight that john is in the office, and Bill left the milk.
valid_hypothesis: Chances are slight that john is in the office, and Bill left the milk.
invalid_hypothesis: It is certain that john is in the office, and Bill left the milk.
hypothesis_assertion: John is in the office, and Bill left the milk.