context: It is certain that Greg is yellow. It is probably not the case that Lily is white. It is highly unlikely that Bernhard is a swan. It is likely that if Greg is yellow, and Lily is white, then Sumit is tired. Chances are slight that if either Bernhard is a swan, or Greg is yellow, then Mary got the milk. There is a very good chance that if Greg is yellow, and Bernhard is a swan, then John went to the kitchen.
hypothesis: It is probably not the case that either Sumit is tired, or Mary got the milk.
valid_hypothesis: It is probably not the case that either Sumit is tired, or Mary got the milk.
invalid_hypothesis: We believe that either Sumit is tired, or Mary got the milk.
hypothesis_assertion: Either Sumit is tired, or Mary got the milk.