context: There is a very good chance that John got the milk. It is impossible that Brian is gray. We believe that Lily is green.
hypothesis: It is probably not the case that either John got the milk, or Lily is green.
valid_hypothesis: It is probably not the case that either John got the milk, or Lily is green.
invalid_hypothesis: It is highly likely that either John got the milk, or Lily is green.
hypothesis_assertion: Either John got the milk, or Lily is green.