A man in a gray t-shirt and light blue jeans on a sidewalk , with a man in a white shirt and black shorts clapping in the background .
It is certain that a man in a white shirt claps for a man in a gray t-shirt .
Chances are about even that a man in a white shirt claps for a man in a gray t-shirt .
It is certain that a man in a white shirt claps for a man in a gray t-shirt .
A man in a white shirt claps for a man in a gray t-shirt .