context: It is certain that John dropped the apple. It is almost certain that Greg is green. Chances are slight that Daniel got the apple. It is probably the case that if Daniel got the apple, and Greg is green, then Bernhard is a lion. Chances are about even that if either John dropped the apple, or Daniel got the apple, then Lily is yellow. There is a better than even chance that if either John dropped the apple, or Greg is green, then Julius is a swan.
hypothesis: Chances are about even that bernhard is a lion, or Lily is yellow.
valid_hypothesis: Chances are about even that bernhard is a lion, or Lily is yellow.
invalid_hypothesis: There is almost no chance that bernhard is a lion, or Lily is yellow.
hypothesis_assertion: Bernhard is a lion, or Lily is yellow.