context: We doubt that Bernhard is a frog. It is likely that Julius is a swan. It is probably not the case that Brian is a rhino.
hypothesis: There is a better than even chance that either Julius is a swan, or Brian is a rhino.
valid_hypothesis: There is a better than even chance that either Julius is a swan, or Brian is a rhino.
invalid_hypothesis: It is highly unlikely that either Julius is a swan, or Brian is a rhino.
hypothesis_assertion: Either Julius is a swan, or Brian is a rhino.