context: It is almost certain that Fred dropped the apple. It is unlikely that Brian is green. It is highly likely that John went to the garden. We believe that if John went to the garden, or Brian is green, then Sandra left the football. Chances are about even that if Brian is green, or Fred dropped the apple, then Bernhard is a lion. We believe that if Brian is green, or John went to the garden, then Lily is a swan.
hypothesis: There is almost no chance that john went to the garden, and Lily is a swan.
valid_hypothesis: It is likely that john went to the garden, and Lily is a swan.
invalid_hypothesis: There is almost no chance that john went to the garden, and Lily is a swan.
hypothesis_assertion: John went to the garden, and Lily is a swan.