A man with his prosthetic leg removed is dressed in blue jeans and a white t-shirt and sitting in front of a blue door .
Chances are about even that a man is using his prosthetic leg to lean on .
It is impossible that a man is using his prosthetic leg to lean on .
Chances are about even that a man is using his prosthetic leg to lean on .
A man is using his prosthetic leg to lean on .