context: It is highly likely that Brian is gray. It is certain that Mary moved to the office. It is likely that Greg is yellow.
hypothesis: It is likely that either Brian is gray, or Greg is yellow.
valid_hypothesis: It is probably not the case that either Brian is gray, or Greg is yellow.
invalid_hypothesis: It is likely that either Brian is gray, or Greg is yellow.
hypothesis_assertion: Either Brian is gray, or Greg is yellow.