context: It is highly likely that Brian is a swan. We doubt that John moved to the office. It is improbable that Winona is a wolf. It is likely that if John moved to the office, and Brian is a swan, then Bernhard is gray. It is impossible that if either John moved to the office, or Winona is a wolf, then Mary went to the bedroom. It is improbable that if Winona is a wolf, or Brian is a swan, then Greg is gray.
hypothesis: There is little chance that either Greg is gray, or Mary went to the bedroom.
valid_hypothesis: There is little chance that either Greg is gray, or Mary went to the bedroom.
invalid_hypothesis: There is a better than even chance that either Greg is gray, or Mary went to the bedroom.
hypothesis_assertion: Either Greg is gray, or Mary went to the bedroom.