premise: Two performers, one man playing a guitar, and one woman with a mic raised to her mouth are sitting on chairs performing. hypothesis: A man and woman are kissing in a car.
contradiction: They cannot be performing if they are kissing in a car.|contradiction: The man and woman cannot be kissing if the woman has a mic raised to her mouth.  Performing is usually done on a stage, not in a car.|contradiction: the man and the women are performing and hence they can't be kissing in the car.