context: There is a better than even chance that Sandra left the milk. It is highly unlikely that Daniel grabbed the apple. It is probably the case that Sumit is thirsty. We doubt that if Daniel grabbed the apple, and Sumit is thirsty, then Mary went to the kitchen. There is little chance that if Daniel grabbed the apple, and Sumit is thirsty, then Fred is in the school. There is a better than even chance that if Daniel grabbed the apple, or Sumit is thirsty, then John picked up the milk.
hypothesis: It is highly unlikely that either Sumit is thirsty, or Sandra left the milk.
valid_hypothesis: Chances are about even that either Sumit is thirsty, or Sandra left the milk.
invalid_hypothesis: It is highly unlikely that either Sumit is thirsty, or Sandra left the milk.
hypothesis_assertion: Either Sumit is thirsty, or Sandra left the milk.