context: It is unlikely that John is in the office. It is probably not the case that Daniel left the milk. It is probably not the case that Lily is green.
hypothesis: Chances are about even that john is in the office, or Lily is green.
valid_hypothesis: Chances are about even that john is in the office, or Lily is green.
invalid_hypothesis: There is almost no chance that john is in the office, or Lily is green.
hypothesis_assertion: John is in the office, or Lily is green.