context: We doubt that Winona is a sheep. It is highly unlikely that Lily is gray. We believe that Brian is green. It is probable that if either Lily is gray, or Winona is a sheep, then Bernhard is a frog. It is certain that if Winona is a sheep, or Lily is gray, then Greg is a rhino. We believe that if Lily is gray, or Brian is green, then John went to the hallway.
hypothesis: It is highly unlikely that lily is gray, and Brian is green.
valid_hypothesis: It is highly unlikely that lily is gray, and Brian is green.
invalid_hypothesis: It is probable that lily is gray, and Brian is green.
hypothesis_assertion: Lily is gray, and Brian is green.