premise: In an outdoor location with spectators in the background, a young man in a karate uniform with a blue belt has his arm around the neck of a young woman in a karate uniform with a brown belt while she grips his arm with both hands. hypothesis: Two basketball players sit apart from each other.
contradiction: A young man in a karate uniform with his arm around the neck of a young woman in a karate uniform in no way refers to two basketball players sitting apart.