context: It is probable that Lily is white. It is highly likely that Greg is a swan. Chances are about even that Julius is a frog.
hypothesis: There is little chance that lily is white, or Greg is a swan.
valid_hypothesis: It is almost certain that lily is white, or Greg is a swan.
invalid_hypothesis: There is little chance that lily is white, or Greg is a swan.
hypothesis_assertion: Lily is white, or Greg is a swan.