A woman in a polka-dot shirt and black boots is walking down the street and being approached by a man in a black jacket and jeans .
Chances are about even that a woman in a dress is dancing in a gym with a man in a swimsuit .
It is impossible that a woman in a dress is dancing in a gym with a man in a swimsuit .
Chances are about even that a woman in a dress is dancing in a gym with a man in a swimsuit .
A woman in a dress is dancing in a gym with a man in a swimsuit .