context: It is unlikely that Julius is a rhino. There is almost no chance that Bill went to the cinema. It is impossible that Brian is white.
hypothesis: It is certain that bill went to the cinema, and Julius is a rhino.
valid_hypothesis: It is impossible that bill went to the cinema, and Julius is a rhino.
invalid_hypothesis: It is certain that bill went to the cinema, and Julius is a rhino.
hypothesis_assertion: Bill went to the cinema, and Julius is a rhino.