context: It is improbable that Lily is a swan. There is a very good chance that Brian is green. Chances are about even that Sumit is thirsty.
hypothesis: It is highly unlikely that either Brian is green, or Sumit is thirsty.
valid_hypothesis: Chances are about even that either Brian is green, or Sumit is thirsty.
invalid_hypothesis: It is highly unlikely that either Brian is green, or Sumit is thirsty.
hypothesis_assertion: Either Brian is green, or Sumit is thirsty.