context: It is almost certain that Jessica is a mouse. There is little chance that Bernhard is a rhino. It is almost certain that Julius is gray. Chances are about even that if Bernhard is a rhino, and Jessica is a mouse, then Julie is in the bedroom. It is highly unlikely that if Bernhard is a rhino, or Jessica is a mouse, then Greg is a swan. We doubt that if Julius is gray, and Bernhard is a rhino, then John picked up the milk.
hypothesis: We believe that julie is in the bedroom, and Julius is gray.
valid_hypothesis: It is highly unlikely that julie is in the bedroom, and Julius is gray.
invalid_hypothesis: We believe that julie is in the bedroom, and Julius is gray.
hypothesis_assertion: Julie is in the bedroom, and Julius is gray.