context: It is highly unlikely that Greg is gray. It is highly likely that John grabbed the milk. It is probable that Brian is a swan.
hypothesis: It is probable that either John grabbed the milk, or Brian is a swan.
valid_hypothesis: It is probably not the case that either John grabbed the milk, or Brian is a swan.
invalid_hypothesis: It is probable that either John grabbed the milk, or Brian is a swan.
hypothesis_assertion: Either John grabbed the milk, or Brian is a swan.