premise: A young girl in a black leotard swinging on the lower wrong of a pair of parallel bars in a gym while a young man spots her. hypothesis: The young girl is wearing a white leotard.
contradiction: Leotard cannot be black and white simultaneously.|contradiction: A white leotard is not the same color as a black leotard.|contradiction: a black leotard is usually a solid color so you wouldnt be able to wear a white at the same time.