context: It is highly likely that Sandra grabbed the milk. There is a better than even chance that John went to the kitchen. It is impossible that Bernhard is green. It is improbable that if either John went to the kitchen, or Bernhard is green, then Mary dropped the apple. We doubt that if John went to the kitchen, or Bernhard is green, then Greg is a rhino. It is likely that if John went to the kitchen, and Bernhard is green, then Sumit is bored.
hypothesis: It is impossible that john went to the kitchen, and Sumit is bored.
valid_hypothesis: It is impossible that john went to the kitchen, and Sumit is bored.
invalid_hypothesis: Chances are about even that john went to the kitchen, and Sumit is bored.
hypothesis_assertion: John went to the kitchen, and Sumit is bored.