context: It is certain that Bernhard is a rhino. We doubt that Julius is a swan. It is highly unlikely that John moved to the office.
hypothesis: It is probably not the case that either John moved to the office, or Julius is a swan.
valid_hypothesis: It is probably not the case that either John moved to the office, or Julius is a swan.
invalid_hypothesis: It is certain that either John moved to the office, or Julius is a swan.
hypothesis_assertion: Either John moved to the office, or Julius is a swan.