context: It is certain that Julius is a rhino. It is certain that Sandra left the football. We believe that Mary dropped the milk. It is probably not the case that if Julius is a rhino, and Sandra left the football, then John went to the bedroom. There is a better than even chance that if Mary dropped the milk, and Sandra left the football, then Brian is yellow. It is certain that if Mary dropped the milk, or Julius is a rhino, then Greg is a swan.
hypothesis: It is unlikely that mary dropped the milk, and John went to the bedroom.
valid_hypothesis: It is unlikely that mary dropped the milk, and John went to the bedroom.
invalid_hypothesis: It is likely that mary dropped the milk, and John went to the bedroom.
hypothesis_assertion: Mary dropped the milk, and John went to the bedroom.