context: It is unlikely that Brian is green. There is a better than even chance that Greg is yellow. Chances are slight that Lily is gray.
hypothesis: There is little chance that either Brian is green, or Greg is yellow.
valid_hypothesis: There is a better than even chance that either Brian is green, or Greg is yellow.
invalid_hypothesis: There is little chance that either Brian is green, or Greg is yellow.
hypothesis_assertion: Either Brian is green, or Greg is yellow.