context: It is impossible that Gertrude is a wolf. There is a better than even chance that Brian is a swan. It is likely that Daniel dropped the milk. There is almost no chance that if Brian is a swan, and Daniel dropped the milk, then Lily is a frog. It is probable that if Daniel dropped the milk, or Gertrude is a wolf, then Mary went to the kitchen. There is little chance that if either Daniel dropped the milk, or Brian is a swan, then Bernhard is gray.
hypothesis: There is almost no chance that gertrude is a wolf, or Mary went to the kitchen.
valid_hypothesis: Chances are about even that gertrude is a wolf, or Mary went to the kitchen.
invalid_hypothesis: There is almost no chance that gertrude is a wolf, or Mary went to the kitchen.
hypothesis_assertion: Gertrude is a wolf, or Mary went to the kitchen.