context: It is unlikely that Bernhard is a rhino. There is a very good chance that Julius is green. There is little chance that Greg is yellow.
hypothesis: We believe that either Greg is yellow, or Bernhard is a rhino.
valid_hypothesis: It is probably not the case that either Greg is yellow, or Bernhard is a rhino.
invalid_hypothesis: We believe that either Greg is yellow, or Bernhard is a rhino.
hypothesis_assertion: Either Greg is yellow, or Bernhard is a rhino.