context: It is improbable that Lily is white. It is probably the case that Winona is a wolf. It is unlikely that John picked up the apple. There is a better than even chance that if either Winona is a wolf, or John picked up the apple, then Bernhard is white. There is a better than even chance that if either Winona is a wolf, or John picked up the apple, then Bill is in the school. There is a very good chance that if either Winona is a wolf, or Lily is white, then Mary moved to the garden.
hypothesis: It is highly unlikely that bernhard is white, and Lily is white.
valid_hypothesis: It is highly unlikely that bernhard is white, and Lily is white.
invalid_hypothesis: It is certain that bernhard is white, and Lily is white.
hypothesis_assertion: Bernhard is white, and Lily is white.