A man with an arm cast films something on video while another man is looking at the camera .
It is impossible that a man films a video of a dog walking down the sidewalk while another man watches .
There is a better than even chance that a man films a video of a dog walking down the sidewalk while another man watches .
It is impossible that a man films a video of a dog walking down the sidewalk while another man watches .
A man films a video of a dog walking down the sidewalk while another man watches .