context: We doubt that Julius is a swan. There is a very good chance that Emily is a cat. We believe that Greg is a rhino.
hypothesis: We doubt that emily is a cat, and Julius is a swan.
valid_hypothesis: We doubt that emily is a cat, and Julius is a swan.
invalid_hypothesis: There is a very good chance that emily is a cat, and Julius is a swan.
hypothesis_assertion: Emily is a cat, and Julius is a swan.