A man with no shirt on and a hat is using a hammer and anvil .
It is probably not the case that a man is making a piece of equipment at an anvil using a hammer .
We believe that a man is making a piece of equipment at an anvil using a hammer .
It is probably not the case that a man is making a piece of equipment at an anvil using a hammer .
A man is making a piece of equipment at an anvil using a hammer .