context: There is a better than even chance that Lily is a swan. It is almost certain that Bernhard is green. It is almost certain that Daniel took the football.
hypothesis: It is certain that bernhard is green, or Lily is a swan.
valid_hypothesis: It is certain that bernhard is green, or Lily is a swan.
invalid_hypothesis: Chances are about even that bernhard is green, or Lily is a swan.
hypothesis_assertion: Bernhard is green, or Lily is a swan.