context: Chances are slight that Daniel dropped the milk. It is highly unlikely that John went to the kitchen. There is a better than even chance that Lily is a frog. It is probable that if John went to the kitchen, or Daniel dropped the milk, then Bernhard is a swan. It is unlikely that if John went to the kitchen, or Lily is a frog, then Sumit is thirsty. It is certain that if John went to the kitchen, and Lily is a frog, then Sandra took the apple.
hypothesis: It is unlikely that either Sumit is thirsty, or Daniel dropped the milk.
valid_hypothesis: It is unlikely that either Sumit is thirsty, or Daniel dropped the milk.
invalid_hypothesis: It is probable that either Sumit is thirsty, or Daniel dropped the milk.
hypothesis_assertion: Either Sumit is thirsty, or Daniel dropped the milk.