context: It is probably the case that Brian is white. Chances are about even that Greg is yellow. It is impossible that Sumit is hungry.
hypothesis: Chances are about even that either Brian is white, or Greg is yellow.
valid_hypothesis: Chances are about even that either Brian is white, or Greg is yellow.
invalid_hypothesis: There is almost no chance that either Brian is white, or Greg is yellow.
hypothesis_assertion: Either Brian is white, or Greg is yellow.