context: It is improbable that Lily is yellow. It is certain that Julius is a lion. We doubt that Mary put down the apple. There is almost no chance that if Mary put down the apple, or Lily is yellow, then Sandra left the milk. There is a very good chance that if either Julius is a lion, or Lily is yellow, then Bernhard is a swan. We doubt that if either Mary put down the apple, or Julius is a lion, then Fred went to the kitchen.
hypothesis: There is a very good chance that bernhard is a swan, or Lily is yellow.
valid_hypothesis: There is a very good chance that bernhard is a swan, or Lily is yellow.
invalid_hypothesis: Chances are slight that bernhard is a swan, or Lily is yellow.
hypothesis_assertion: Bernhard is a swan, or Lily is yellow.