context: It is probable that Lily is white. We believe that Brian is a lion. There is almost no chance that Bernhard is yellow.
hypothesis: It is impossible that lily is white, or Brian is a lion.
valid_hypothesis: It is almost certain that lily is white, or Brian is a lion.
invalid_hypothesis: It is impossible that lily is white, or Brian is a lion.
hypothesis_assertion: Lily is white, or Brian is a lion.