> \usepackage{pstcol} % To use the standard "color" package with PSTricks
Don't use this package. PSTricks uses xcolor internally already.
> The red texts “Yes” and “No” are not near de lines.
Convert to ps.
See also http://tug.org/PSTricks/PSTricks.cgi
`Frequently done errors...' section.
-Hendri.