On a sidewalk , tall man in a black shirt and a police officer with their backs to the viewer walk past a man in a white t-shirt , black shorts , and sandals .
It is almost certain that a cop watches some suspects in the middle of a city .
It is impossible that a cop watches some suspects in the middle of a city .
It is almost certain that a cop watches some suspects in the middle of a city .
A cop watches some suspects in the middle of a city .