context: It is probable that Bernhard is a swan. It is certain that Mary went to the office. It is certain that John got the milk.
hypothesis: There is almost no chance that bernhard is a swan, or John got the milk.
valid_hypothesis: It is certain that bernhard is a swan, or John got the milk.
invalid_hypothesis: There is almost no chance that bernhard is a swan, or John got the milk.
hypothesis_assertion: Bernhard is a swan, or John got the milk.