A man shovels snow off of a roof while another stands in the contraption that allowed them to reach the high place .
There is a better than even chance that a man on a scaffold using a broom to clear snow from the roof .
There is a better than even chance that a man on a scaffold using a broom to clear snow from the roof .
It is impossible that a man on a scaffold using a broom to clear snow from the roof .
A man on a scaffold using a broom to clear snow from the roof .