context: There is almost no chance that Gertrude is a cat. We doubt that Bernhard is a rhino. It is probably not the case that Winona is a sheep.
hypothesis: It is likely that either Bernhard is a rhino, or Winona is a sheep.
valid_hypothesis: It is probably not the case that either Bernhard is a rhino, or Winona is a sheep.
invalid_hypothesis: It is likely that either Bernhard is a rhino, or Winona is a sheep.
hypothesis_assertion: Either Bernhard is a rhino, or Winona is a sheep.