context: It is probable that Bernhard is a lion. It is certain that Mary is in the cinema. There is a very good chance that Greg is a swan. It is probably not the case that if either Mary is in the cinema, or Bernhard is a lion, then Julius is a rhino. It is likely that if Bernhard is a lion, or Mary is in the cinema, then Sandra grabbed the milk. It is highly likely that if Mary is in the cinema, and Bernhard is a lion, then Brian is gray.
hypothesis: It is highly unlikely that either Julius is a rhino, or Mary is in the cinema.
valid_hypothesis: It is almost certain that either Julius is a rhino, or Mary is in the cinema.
invalid_hypothesis: It is highly unlikely that either Julius is a rhino, or Mary is in the cinema.
hypothesis_assertion: Either Julius is a rhino, or Mary is in the cinema.