Answer Happy

I do not quite understand why there's yes and no ans what to fill on those rectangles
Yes Start Is the object cylindrical or round? No OK No Is there a hole in or near the center of the object? Is the object used for Yes No Yes OK Yes Yes Is the object smooth on the outside (no angles)? Is there permanent ink on the object? Yes No Yes No OK OK OK Yes OK Is the object metal? Yes No OK Is the object longer than 5 cm? No Yes No Does the object have more than one hole? OK Yes OK