context: There is a very good chance that Mary dropped the milk. It is probably the case that Lily is a lion. It is improbable that Bernhard is a swan. It is highly likely that if Lily is a lion, or Bernhard is a swan, then John took the football. It is almost certain that if either Lily is a lion, or Mary dropped the milk, then Julius is white. It is almost certain that if Bernhard is a swan, or Lily is a lion, then Brian is green.
hypothesis: It is almost certain that bernhard is a swan, and Mary dropped the milk.
valid_hypothesis: It is improbable that bernhard is a swan, and Mary dropped the milk.
invalid_hypothesis: It is almost certain that bernhard is a swan, and Mary dropped the milk.
hypothesis_assertion: Bernhard is a swan, and Mary dropped the milk.