context: It is impossible that Bernhard is a rhino. Chances are about even that Yann is bored. It is likely that Emily is a cat.
hypothesis: It is certain that bernhard is a rhino, and Yann is bored.
valid_hypothesis: It is impossible that bernhard is a rhino, and Yann is bored.
invalid_hypothesis: It is certain that bernhard is a rhino, and Yann is bored.
hypothesis_assertion: Bernhard is a rhino, and Yann is bored.