context: Chances are about even that Julius is a rhino. It is highly unlikely that Greg is a lion. There is a very good chance that Julie is in the bedroom.
hypothesis: It is highly likely that julie is in the bedroom, or Julius is a rhino.
valid_hypothesis: It is highly likely that julie is in the bedroom, or Julius is a rhino.
invalid_hypothesis: We doubt that julie is in the bedroom, or Julius is a rhino.
hypothesis_assertion: Julie is in the bedroom, or Julius is a rhino.