context: We doubt that Winona is a sheep. It is highly unlikely that Brian is gray. We believe that Mary moved to the garden. It is unlikely that if Winona is a sheep, or Mary moved to the garden, then Lily is white. It is almost certain that if either Brian is gray, or Mary moved to the garden, then John went to the garden. It is highly likely that if Brian is gray, and Winona is a sheep, then Emily is a cat.
hypothesis: It is highly unlikely that winona is a sheep, and Lily is white.
valid_hypothesis: It is highly unlikely that winona is a sheep, and Lily is white.
invalid_hypothesis: There is a very good chance that winona is a sheep, and Lily is white.
hypothesis_assertion: Winona is a sheep, and Lily is white.