\documentclass{minimal}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{latexsym}
\usepackage{pstricks}
\usepackage{pst-plot}
\usepackage{pst-node}
\begin{document}

\begin{center}
\begin{pspicture}(0,0)(2,0)
\pscircle[fillstyle=solid,fillcolor=red](-7,0){1.5}
\rput*{45}(-7,0){DANGER}
\end{pspicture}

\end{center}

\end{document}