context: It is highly likely that John took the milk. It is almost certain that Brian is yellow. Chances are about even that Bernhard is a rhino.
hypothesis: It is impossible that either John took the milk, or Bernhard is a rhino.
valid_hypothesis: Chances are about even that either John took the milk, or Bernhard is a rhino.
invalid_hypothesis: It is impossible that either John took the milk, or Bernhard is a rhino.
hypothesis_assertion: Either John took the milk, or Bernhard is a rhino.