context: We believe that Greg is a frog. It is almost certain that Brian is yellow. Chances are about even that John dropped the milk.
hypothesis: Chances are slight that john dropped the milk, or Brian is yellow.
valid_hypothesis: It is almost certain that john dropped the milk, or Brian is yellow.
invalid_hypothesis: Chances are slight that john dropped the milk, or Brian is yellow.
hypothesis_assertion: John dropped the milk, or Brian is yellow.