context: It is improbable that Lily is green. We doubt that Gertrude is a cat. It is probably the case that Julius is a rhino.
hypothesis: We believe that julius is a rhino, or Lily is green.
valid_hypothesis: We believe that julius is a rhino, or Lily is green.
invalid_hypothesis: It is highly unlikely that julius is a rhino, or Lily is green.
hypothesis_assertion: Julius is a rhino, or Lily is green.