A woman with a gray shirt and dirty white apron works with wood .
Chances are about even that a woman wearing a white dirty apron and gray shirt is making a wooden boat .
There is almost no chance that a woman wearing a white dirty apron and gray shirt is making a wooden boat .
Chances are about even that a woman wearing a white dirty apron and gray shirt is making a wooden boat .
A woman wearing a white dirty apron and gray shirt is making a wooden boat .