context: There is a very good chance that Brian is a rhino. Chances are about even that John got the milk. It is highly likely that Sandra left the football.
hypothesis: Chances are slight that john got the milk, or Brian is a rhino.
valid_hypothesis: It is highly likely that john got the milk, or Brian is a rhino.
invalid_hypothesis: Chances are slight that john got the milk, or Brian is a rhino.
hypothesis_assertion: John got the milk, or Brian is a rhino.