context: There is a very good chance that Bill went to the cinema. It is probable that Julius is a rhino. It is impossible that Sandra left the milk.
hypothesis: There is a better than even chance that julius is a rhino, and Bill went to the cinema.
valid_hypothesis: There is a better than even chance that julius is a rhino, and Bill went to the cinema.
invalid_hypothesis: It is improbable that julius is a rhino, and Bill went to the cinema.
hypothesis_assertion: Julius is a rhino, and Bill went to the cinema.