\begin{Verbatim}[commandchars=\\\{\}]
\PYG{l+s+sAtom}{?\PYGZhy{}} \PYG{n+nf}{contains1}\PYG{p}{(}\PYG{n+nv}{FirstElement}\PYG{p}{,} \PYG{p}{[}\PYG{l+m+mi}{1}\PYG{p}{,}\PYG{l+m+mi}{2}\PYG{p}{,}\PYG{l+m+mi}{3}\PYG{p}{,}\PYG{l+m+mi}{4}\PYG{p}{,}\PYG{l+m+mi}{5}\PYG{p}{]).}
\end{Verbatim}