context: Chances are slight that Lily is gray. We doubt that Bernhard is a swan. It is probably not the case that Winona is a wolf. It is improbable that if either Lily is gray, or Winona is a wolf, then John went to the hallway. It is unlikely that if either Lily is gray, or Bernhard is a swan, then Mary took the apple. It is probable that if either Bernhard is a swan, or Winona is a wolf, then Brian is a frog.
hypothesis: It is likely that john went to the hallway, or Mary took the apple.
valid_hypothesis: It is improbable that john went to the hallway, or Mary took the apple.
invalid_hypothesis: It is likely that john went to the hallway, or Mary took the apple.
hypothesis_assertion: John went to the hallway, or Mary took the apple.