context: Chances are about even that Lily is a rhino. It is probable that Julius is a swan. There is a better than even chance that Greg is gray.
hypothesis: It is highly unlikely that either Greg is gray, or Lily is a rhino.
valid_hypothesis: Chances are about even that either Greg is gray, or Lily is a rhino.
invalid_hypothesis: It is highly unlikely that either Greg is gray, or Lily is a rhino.
hypothesis_assertion: Either Greg is gray, or Lily is a rhino.