context: Chances are about even that Julius is a swan. It is almost certain that Jason is bored. We doubt that Greg is green.
hypothesis: Chances are about even that either Julius is a swan, or Greg is green.
valid_hypothesis: Chances are about even that either Julius is a swan, or Greg is green.
invalid_hypothesis: It is certain that either Julius is a swan, or Greg is green.
hypothesis_assertion: Either Julius is a swan, or Greg is green.