context: It is improbable that Lily is green. It is unlikely that John went to the bedroom. It is impossible that Mary dropped the milk. There is a very good chance that if either Lily is green, or John went to the bedroom, then Brian is a lion. Chances are about even that if John went to the bedroom, or Lily is green, then Greg is gray. It is unlikely that if John went to the bedroom, or Lily is green, then Jason is hungry.
hypothesis: There is a very good chance that lily is green, and Brian is a lion.
valid_hypothesis: It is highly unlikely that lily is green, and Brian is a lion.
invalid_hypothesis: There is a very good chance that lily is green, and Brian is a lion.
hypothesis_assertion: Lily is green, and Brian is a lion.