A smiling dark-skinned young man sits on a stool at his outdoor workbench and makes a hand gesture of `` two-thumbs-up '' .
It is certain that the man is happy he is almost finished with his work .
Chances are about even that the man is happy he is almost finished with his work .
It is certain that the man is happy he is almost finished with his work .
The man is happy he is almost finished with his work .