context: We believe that Julius is a lion. It is highly likely that Brian is white. We doubt that Lily is a rhino.
hypothesis: There is a very good chance that julius is a lion, or Lily is a rhino.
valid_hypothesis: There is a very good chance that julius is a lion, or Lily is a rhino.
invalid_hypothesis: It is probably not the case that julius is a lion, or Lily is a rhino.
hypothesis_assertion: Julius is a lion, or Lily is a rhino.