context: There is a better than even chance that Bernhard is a rhino. It is improbable that Lily is white. Chances are about even that Brian is green.
hypothesis: It is improbable that either Bernhard is a rhino, or Lily is white.
valid_hypothesis: There is a better than even chance that either Bernhard is a rhino, or Lily is white.
invalid_hypothesis: It is improbable that either Bernhard is a rhino, or Lily is white.
hypothesis_assertion: Either Bernhard is a rhino, or Lily is white.