context: It is highly unlikely that Brian is a lion. It is certain that Bernhard is a rhino. It is probably the case that Mary grabbed the milk.
hypothesis: It is highly unlikely that bernhard is a rhino, and Brian is a lion.
valid_hypothesis: It is highly unlikely that bernhard is a rhino, and Brian is a lion.
invalid_hypothesis: It is probably the case that bernhard is a rhino, and Brian is a lion.
hypothesis_assertion: Bernhard is a rhino, and Brian is a lion.