Various people are walking down a sidewalk lined with trees and a tan stone building .
Chances are about even that a group of people walking down a crowded sidewalk as cars go by .
Chances are about even that a group of people walking down a crowded sidewalk as cars go by .
It is impossible that a group of people walking down a crowded sidewalk as cars go by .
A group of people walking down a crowded sidewalk as cars go by .