% ------------------------------------------------------------------------------
% Copyright (c) 2010, 2020 Contributors to the Eclipse Foundation
%
% See the NOTICE file(s) distributed with this work for additional
% information regarding copyright ownership.
%
% This program and the accompanying materials are made available under the terms
% of the MIT License which is available at https://opensource.org/licenses/MIT
%
% SPDX-License-Identifier: MIT
% ------------------------------------------------------------------------------
{\ttfamily
\begin{tikzpicture}[x=1ex,y=1ex,thin,>=triangle 45,auto]
\path
            node[proc](G){G}
++ ( 14, 0) node[proc](B){F}
++ ( 14, 0) node[proc](E){E}
++ (-14,12) node[proc](C){C};
\path (G) edge node{gf} (B);
\path (B) edge node{fe} (E);
\path (C) edge node[above]{sg} (G);
\path (C) edge node[above]{se} (E);
\end{tikzpicture}
}