context: It is impossible that Bernhard is a swan. It is certain that Lily is a rhino. It is probably the case that Mary went to the hallway.
hypothesis: It is likely that bernhard is a swan, and Lily is a rhino.
valid_hypothesis: It is impossible that bernhard is a swan, and Lily is a rhino.
invalid_hypothesis: It is likely that bernhard is a swan, and Lily is a rhino.
hypothesis_assertion: Bernhard is a swan, and Lily is a rhino.