context: There is a better than even chance that Julius is gray. It is probably the case that Brian is a swan. It is certain that John dropped the apple. It is likely that if Julius is gray, and John dropped the apple, then Antoine is thirsty. It is certain that if Julius is gray, or John dropped the apple, then Mary moved to the office. It is highly unlikely that if either Brian is a swan, or John dropped the apple, then Bernhard is gray.
hypothesis: There is almost no chance that bernhard is gray, and Mary moved to the office.
valid_hypothesis: There is almost no chance that bernhard is gray, and Mary moved to the office.
invalid_hypothesis: It is highly likely that bernhard is gray, and Mary moved to the office.
hypothesis_assertion: Bernhard is gray, and Mary moved to the office.