context: It is certain that Lily is a swan. There is almost no chance that Fred went to the kitchen. We believe that Brian is gray.
hypothesis: It is certain that lily is a swan, or Brian is gray.
valid_hypothesis: It is certain that lily is a swan, or Brian is gray.
invalid_hypothesis: There is almost no chance that lily is a swan, or Brian is gray.
hypothesis_assertion: Lily is a swan, or Brian is gray.