context: Chances are slight that Greg is green. It is unlikely that Lily is a rhino. There is almost no chance that Bernhard is yellow.
hypothesis: It is almost certain that either Greg is green, or Lily is a rhino.
valid_hypothesis: It is probably not the case that either Greg is green, or Lily is a rhino.
invalid_hypothesis: It is almost certain that either Greg is green, or Lily is a rhino.
hypothesis_assertion: Either Greg is green, or Lily is a rhino.