context: There is little chance that Bernhard is a rhino. It is probably not the case that Brian is a lion. We believe that Mary went to the kitchen.
hypothesis: There is almost no chance that bernhard is a rhino, and Brian is a lion.
valid_hypothesis: There is almost no chance that bernhard is a rhino, and Brian is a lion.
invalid_hypothesis: It is highly likely that bernhard is a rhino, and Brian is a lion.
hypothesis_assertion: Bernhard is a rhino, and Brian is a lion.