context: It is almost certain that Lily is green. It is probably not the case that Brian is yellow. It is probable that Julius is a rhino.
hypothesis: It is certain that julius is a rhino, or Lily is green.
valid_hypothesis: It is certain that julius is a rhino, or Lily is green.
invalid_hypothesis: Chances are about even that julius is a rhino, or Lily is green.
hypothesis_assertion: Julius is a rhino, or Lily is green.