context: Chances are about even that Mary grabbed the apple. There is almost no chance that Lily is yellow. It is certain that Bernhard is a swan.
hypothesis: It is highly likely that bernhard is a swan, and Lily is yellow.
valid_hypothesis: There is almost no chance that bernhard is a swan, and Lily is yellow.
invalid_hypothesis: It is highly likely that bernhard is a swan, and Lily is yellow.
hypothesis_assertion: Bernhard is a swan, and Lily is yellow.