context: It is highly likely that Mary dropped the apple. There is almost no chance that Lily is a rhino. We believe that Greg is yellow.
hypothesis: We believe that either Greg is yellow, or Lily is a rhino.
valid_hypothesis: We believe that either Greg is yellow, or Lily is a rhino.
invalid_hypothesis: We doubt that either Greg is yellow, or Lily is a rhino.
hypothesis_assertion: Either Greg is yellow, or Lily is a rhino.