context: It is probably the case that Julius is white. It is impossible that John put down the milk. It is highly likely that Brian is a rhino.
hypothesis: It is probably not the case that either Brian is a rhino, or Julius is white.
valid_hypothesis: It is probably not the case that either Brian is a rhino, or Julius is white.
invalid_hypothesis: It is almost certain that either Brian is a rhino, or Julius is white.
hypothesis_assertion: Either Brian is a rhino, or Julius is white.