context: Chances are about even that Bernhard is gray. It is unlikely that Jessica is a sheep. It is improbable that Greg is a rhino.
hypothesis: There is a better than even chance that greg is a rhino, or Bernhard is gray.
valid_hypothesis: There is a better than even chance that greg is a rhino, or Bernhard is gray.
invalid_hypothesis: Chances are slight that greg is a rhino, or Bernhard is gray.
hypothesis_assertion: Greg is a rhino, or Bernhard is gray.