context: Chances are slight that Brian is gray. It is almost certain that Mary left the milk. It is likely that Bernhard is a rhino.
hypothesis: It is probably the case that either Mary left the milk, or Bernhard is a rhino.
valid_hypothesis: It is probably not the case that either Mary left the milk, or Bernhard is a rhino.
invalid_hypothesis: It is probably the case that either Mary left the milk, or Bernhard is a rhino.
hypothesis_assertion: Either Mary left the milk, or Bernhard is a rhino.