context: It is unlikely that Bernhard is gray. It is highly likely that Lily is a rhino. We believe that Mary left the apple. It is impossible that if either Bernhard is gray, or Lily is a rhino, then John discarded the milk. There is almost no chance that if either Bernhard is gray, or Mary left the apple, then Winona is a sheep. It is improbable that if Lily is a rhino, and Bernhard is gray, then Julius is a frog.
hypothesis: It is certain that either Winona is a sheep, or Bernhard is gray.
valid_hypothesis: We doubt that either Winona is a sheep, or Bernhard is gray.
invalid_hypothesis: It is certain that either Winona is a sheep, or Bernhard is gray.
hypothesis_assertion: Either Winona is a sheep, or Bernhard is gray.