context: It is highly likely that Mary left the football. It is certain that Bernhard is a rhino. It is highly likely that Julius is a lion.
hypothesis: It is improbable that either Bernhard is a rhino, or Julius is a lion.
valid_hypothesis: It is improbable that either Bernhard is a rhino, or Julius is a lion.
invalid_hypothesis: It is certain that either Bernhard is a rhino, or Julius is a lion.
hypothesis_assertion: Either Bernhard is a rhino, or Julius is a lion.