context: It is probably the case that Mary is in the garden. It is certain that Emily is a cat. We believe that Fred moved to the office. It is probably not the case that if Fred moved to the office, or Mary is in the garden, then Bernhard is a swan. It is impossible that if either Fred moved to the office, or Mary is in the garden, then Bill went to the bedroom. There is a better than even chance that if Fred moved to the office, or Mary is in the garden, then Lily is yellow.
hypothesis: It is probably not the case that bernhard is a swan, and Emily is a cat.
valid_hypothesis: It is probably not the case that bernhard is a swan, and Emily is a cat.
invalid_hypothesis: It is certain that bernhard is a swan, and Emily is a cat.
hypothesis_assertion: Bernhard is a swan, and Emily is a cat.