context: It is impossible that Julius is a rhino. It is certain that Bernhard is a swan. It is highly unlikely that Fred is in the cinema.
hypothesis: It is probable that fred is in the cinema, and Julius is a rhino.
valid_hypothesis: It is impossible that fred is in the cinema, and Julius is a rhino.
invalid_hypothesis: It is probable that fred is in the cinema, and Julius is a rhino.
hypothesis_assertion: Fred is in the cinema, and Julius is a rhino.