context: There is a better than even chance that John dropped the milk. It is probable that Julius is green. It is unlikely that Bernhard is a swan.
hypothesis: It is impossible that john dropped the milk, and Julius is green.
valid_hypothesis: Chances are about even that john dropped the milk, and Julius is green.
invalid_hypothesis: It is impossible that john dropped the milk, and Julius is green.
hypothesis_assertion: John dropped the milk, and Julius is green.