context: There is a very good chance that John picked up the milk. It is highly likely that Lily is white. It is impossible that Brian is gray.
hypothesis: We doubt that either John picked up the milk, or Brian is gray.
valid_hypothesis: There is a very good chance that either John picked up the milk, or Brian is gray.
invalid_hypothesis: We doubt that either John picked up the milk, or Brian is gray.
hypothesis_assertion: Either John picked up the milk, or Brian is gray.