context: We believe that John went to the hallway. There is a very good chance that Julius is a lion. We doubt that Bernhard is a swan.
hypothesis: Chances are slight that bernhard is a swan, and John went to the hallway.
valid_hypothesis: Chances are slight that bernhard is a swan, and John went to the hallway.
invalid_hypothesis: It is likely that bernhard is a swan, and John went to the hallway.
hypothesis_assertion: Bernhard is a swan, and John went to the hallway.