context: It is almost certain that John put down the milk. It is certain that Greg is green. There is almost no chance that Winona is a wolf. There is almost no chance that if Greg is green, and Winona is a wolf, then Brian is a swan. It is highly likely that if Greg is green, or Winona is a wolf, then Bernhard is white. It is improbable that if Greg is green, or John put down the milk, then Lily is gray.
hypothesis: Chances are about even that winona is a wolf, or John put down the milk.
valid_hypothesis: It is almost certain that winona is a wolf, or John put down the milk.
invalid_hypothesis: Chances are about even that winona is a wolf, or John put down the milk.
hypothesis_assertion: Winona is a wolf, or John put down the milk.