context: It is probably not the case that Brian is green. There is almost no chance that John moved to the office. We doubt that Lily is a rhino.
hypothesis: Chances are about even that brian is green, or Lily is a rhino.
valid_hypothesis: Chances are about even that brian is green, or Lily is a rhino.
invalid_hypothesis: It is almost certain that brian is green, or Lily is a rhino.
hypothesis_assertion: Brian is green, or Lily is a rhino.