context: It is improbable that Sandra left the milk. We doubt that Bernhard is a rhino. We doubt that Julius is gray.
hypothesis: It is probably not the case that either Sandra left the milk, or Bernhard is a rhino.
valid_hypothesis: It is probably not the case that either Sandra left the milk, or Bernhard is a rhino.
invalid_hypothesis: It is certain that either Sandra left the milk, or Bernhard is a rhino.
hypothesis_assertion: Either Sandra left the milk, or Bernhard is a rhino.