context: It is probably not the case that Lily is a rhino. Chances are about even that Julius is a rhino. It is probably the case that John is in the office.
hypothesis: It is almost certain that john is in the office, and Lily is a rhino.
valid_hypothesis: It is unlikely that john is in the office, and Lily is a rhino.
invalid_hypothesis: It is almost certain that john is in the office, and Lily is a rhino.
hypothesis_assertion: John is in the office, and Lily is a rhino.