context: It is likely that Greg is a swan. We doubt that Julius is yellow. Chances are about even that Yann is thirsty. There is a very good chance that if Julius is yellow, and Yann is thirsty, then Sandra took the apple. It is almost certain that if either Greg is a swan, or Julius is yellow, then Daniel left the milk. It is unlikely that if either Julius is yellow, or Greg is a swan, then Bernhard is a rhino.
hypothesis: There is a better than even chance that daniel left the milk, or Bernhard is a rhino.
valid_hypothesis: There is a better than even chance that daniel left the milk, or Bernhard is a rhino.
invalid_hypothesis: It is highly unlikely that daniel left the milk, or Bernhard is a rhino.
hypothesis_assertion: Daniel left the milk, or Bernhard is a rhino.