context: There is almost no chance that Greg is a rhino. Chances are about even that Julie is in the bedroom. It is impossible that Daniel got the football.
hypothesis: It is impossible that julie is in the bedroom, or Greg is a rhino.
valid_hypothesis: Chances are about even that julie is in the bedroom, or Greg is a rhino.
invalid_hypothesis: It is impossible that julie is in the bedroom, or Greg is a rhino.
hypothesis_assertion: Julie is in the bedroom, or Greg is a rhino.