premise: A woman in a blue jacket dragging a child on a sled through the snow. hypothesis: The woman in the blue jacket has three legs and two heads.
contradiction: If a woman is dragging a child on a sled, it is impossible that she has three legs and two heads.|contradiction: a woman cannot have three legs and two heads.|contradiction: A woman who has three legs and two heads is unlikely to be medically fit enough to drag a child on a sled.