premise: A black man wearing a red belt and a white man wearing a blue belt are pictured in the act of practicing martial arts inside a building with a woman looking on in the background. hypothesis: The men are blackbelts.
contradiction: red belt and blue belt can't be inferred as black belts.|contradiction: Red and blue belts are different than black belts.|contradiction: The men can either wear a red belt, a blue belt, or a blackbelt.