context: We doubt that Bernhard is gray. There is a better than even chance that Brian is yellow. It is certain that Mary dropped the milk. It is improbable that if Bernhard is gray, and Mary dropped the milk, then Julius is a rhino. It is probably the case that if either Mary dropped the milk, or Bernhard is gray, then Gertrude is a wolf. It is improbable that if Bernhard is gray, or Mary dropped the milk, then Sandra left the football.
hypothesis: It is likely that gertrude is a wolf, and Julius is a rhino.
valid_hypothesis: It is impossible that gertrude is a wolf, and Julius is a rhino.
invalid_hypothesis: It is likely that gertrude is a wolf, and Julius is a rhino.
hypothesis_assertion: Gertrude is a wolf, and Julius is a rhino.