context: Chances are about even that Greg is yellow. Chances are about even that Brian is gray. It is highly unlikely that Julius is green.
hypothesis: There is almost no chance that either Greg is yellow, or Julius is green.
valid_hypothesis: Chances are about even that either Greg is yellow, or Julius is green.
invalid_hypothesis: There is almost no chance that either Greg is yellow, or Julius is green.
hypothesis_assertion: Either Greg is yellow, or Julius is green.