context: There is little chance that John discarded the milk. We doubt that Brian is a swan. There is little chance that Julius is a rhino.
hypothesis: It is highly likely that either John discarded the milk, or Brian is a swan.
valid_hypothesis: It is probably not the case that either John discarded the milk, or Brian is a swan.
invalid_hypothesis: It is highly likely that either John discarded the milk, or Brian is a swan.
hypothesis_assertion: Either John discarded the milk, or Brian is a swan.