Two performers, one man playing a guitar, and one woman with a mic raised to her mouth are sitting on chairs performing.
A man and woman are kissing in a car.
They cannot be performing if they are kissing in a car.
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.
the man and the women are performing and hence they can't be kissing in the car.