context: There is a better than even chance that Bernhard is white. We believe that Greg is gray. It is certain that Sandra got the apple. Chances are about even that if either Greg is gray, or Bernhard is white, then Julius is a rhino. It is highly likely that if Bernhard is white, or Sandra got the apple, then John went to the garden. Chances are about even that if Greg is gray, and Sandra got the apple, then Brian is a frog.
hypothesis: It is unlikely that either Julius is a rhino, or Sandra got the apple.
valid_hypothesis: We believe that either Julius is a rhino, or Sandra got the apple.
invalid_hypothesis: It is unlikely that either Julius is a rhino, or Sandra got the apple.
hypothesis_assertion: Either Julius is a rhino, or Sandra got the apple.