context: It is probable that Brian is yellow. We doubt that Fred moved to the office. We doubt that Julius is a swan.
hypothesis: It is probably not the case that either Fred moved to the office, or Julius is a swan.
valid_hypothesis: It is probably not the case that either Fred moved to the office, or Julius is a swan.
invalid_hypothesis: It is probable that either Fred moved to the office, or Julius is a swan.
hypothesis_assertion: Either Fred moved to the office, or Julius is a swan.