premise: Two African Americans are together and one is wearing a cowboy hat while playing the guitar while the other is standing with sunglasses on. hypothesis: Two white me are in a car one is singing while the other is sleeping in the back seat.
contradiction: Sentence 1 has two African Americans where Sentence 2 has two Caucasian men. Sentence 1 has one playing and one standing whereas Sentence 2 has one singing and one sleeping.