context: Chances are about even that Brian is green. There is a better than even chance that Julius is a swan. It is impossible that John dropped the apple.
hypothesis: There is almost no chance that either John dropped the apple, or Julius is a swan.
valid_hypothesis: There is a better than even chance that either John dropped the apple, or Julius is a swan.
invalid_hypothesis: There is almost no chance that either John dropped the apple, or Julius is a swan.
hypothesis_assertion: Either John dropped the apple, or Julius is a swan.