context: It is improbable that Julius is white. It is impossible that Mary put down the milk. It is probably not the case that Winona is a mouse. There is a better than even chance that if Mary put down the milk, and Julius is white, then Bernhard is a rhino. It is probable that if Winona is a mouse, and Julius is white, then Brian is a rhino. It is certain that if either Julius is white, or Mary put down the milk, then Sumit is thirsty.
hypothesis: There is a very good chance that either Julius is white, or Bernhard is a rhino.
valid_hypothesis: It is improbable that either Julius is white, or Bernhard is a rhino.
invalid_hypothesis: There is a very good chance that either Julius is white, or Bernhard is a rhino.
hypothesis_assertion: Either Julius is white, or Bernhard is a rhino.