context: There is a better than even chance that Greg is gray. There is a better than even chance that Bernhard is a rhino. It is certain that John went to the garden. It is certain that if Bernhard is a rhino, or Greg is gray, then Mary got the apple. It is improbable that if either John went to the garden, or Greg is gray, then Jessica is a sheep. It is certain that if John went to the garden, or Greg is gray, then Sandra grabbed the milk.
hypothesis: It is improbable that sandra grabbed the milk, or Bernhard is a rhino.
valid_hypothesis: It is certain that sandra grabbed the milk, or Bernhard is a rhino.
invalid_hypothesis: It is improbable that sandra grabbed the milk, or Bernhard is a rhino.
hypothesis_assertion: Sandra grabbed the milk, or Bernhard is a rhino.