context: It is highly likely that Greg is a rhino. We believe that Brian is a rhino. There is a very good chance that John went to the hallway.
hypothesis: It is almost certain that john went to the hallway, or Brian is a rhino.
valid_hypothesis: It is almost certain that john went to the hallway, or Brian is a rhino.
invalid_hypothesis: It is highly unlikely that john went to the hallway, or Brian is a rhino.
hypothesis_assertion: John went to the hallway, or Brian is a rhino.