context: There is almost no chance that Mary went to the bedroom. It is certain that Brian is yellow. We doubt that Julius is gray. It is impossible that if Mary went to the bedroom, and Brian is yellow, then John left the football. There is a better than even chance that if Mary went to the bedroom, and Brian is yellow, then Bernhard is a lion. It is impossible that if Brian is yellow, and Mary went to the bedroom, then Greg is green.
hypothesis: It is certain that mary went to the bedroom, and Brian is yellow.
valid_hypothesis: There is almost no chance that mary went to the bedroom, and Brian is yellow.
invalid_hypothesis: It is certain that mary went to the bedroom, and Brian is yellow.
hypothesis_assertion: Mary went to the bedroom, and Brian is yellow.