A man and woman dancing in the sidewalk , both wearing jeans .
It is certain that a man and a woman dance salsa together in the sidewalk , wearing jeans .
It is impossible that a man and a woman dance salsa together in the sidewalk , wearing jeans .
It is certain that a man and a woman dance salsa together in the sidewalk , wearing jeans .
A man and a woman dance salsa together in the sidewalk , wearing jeans .