context: We believe that Bernhard is gray. There is a very good chance that Brian is a rhino. Chances are about even that Lily is a lion.
hypothesis: It is certain that either Lily is a lion, or Bernhard is gray.
valid_hypothesis: Chances are about even that either Lily is a lion, or Bernhard is gray.
invalid_hypothesis: It is certain that either Lily is a lion, or Bernhard is gray.
hypothesis_assertion: Either Lily is a lion, or Bernhard is gray.