context: It is likely that Bernhard is a rhino. It is probably the case that Julius is yellow. It is probably the case that Greg is gray.
hypothesis: There is almost no chance that either Julius is yellow, or Bernhard is a rhino.
valid_hypothesis: Chances are about even that either Julius is yellow, or Bernhard is a rhino.
invalid_hypothesis: There is almost no chance that either Julius is yellow, or Bernhard is a rhino.
hypothesis_assertion: Either Julius is yellow, or Bernhard is a rhino.