context: It is probably not the case that Jessica is a sheep. We doubt that Daniel grabbed the milk. It is highly unlikely that Gertrude is a wolf. It is almost certain that if Daniel grabbed the milk, or Jessica is a sheep, then John went to the hallway. It is certain that if Jessica is a sheep, and Gertrude is a wolf, then Bernhard is a lion. There is almost no chance that if either Jessica is a sheep, or Gertrude is a wolf, then Julius is a swan.
hypothesis: It is probable that either Daniel grabbed the milk, or Julius is a swan.
valid_hypothesis: We doubt that either Daniel grabbed the milk, or Julius is a swan.
invalid_hypothesis: It is probable that either Daniel grabbed the milk, or Julius is a swan.
hypothesis_assertion: Either Daniel grabbed the milk, or Julius is a swan.