premise: Woman in a blue dress and carrying a black purse, rides a scooter down the street. hypothesis: the girl is wearing a black dress and a blue purse.
contradiction: The dress cannot be blue and black at the same time, and the purse cannot be black and blue simultaneously.|contradiction: It can't be a woman and a girl.|contradiction: A woman and a girl are usually not the same thing. The purse is either blue or black; the dress is either blue or black.