
%%% outline
%-------------------------------------------------------------------------
\begin{tikzpicture}
\begin{scope}
{
\node [pos=0.5,left,xshift=-0.5em,yshift=2.0em] (label2) {\footnotesize{{$t^1$ =$<$s$>$ {\color{red}machine}\; {\color{red}translation}\; is\; just\; translation\; by\; computer\; $<$/s$>$     }}};
\node [anchor=north west] (label2part2) at ([yshift=0.3em]label2.south west) {\footnotesize{{$t^2$ =$<$s$>$ how\; does\;this\; {\color{red}machine}\;work\; $?$ $<$/s$>$     }}};
\node [anchor=north west] (label2part3) at ([yshift=0.3em]label2part2.south west) {\footnotesize{{$t^3$ =$<$s$>$ we\; are\;replaced\;the\; old\; adding\; {\color{red}machine}\;with\;a\; computer\; $<$/s$>$     }}};
\node [anchor=north west] (label2part4) at ([yshift=0.3em]label2part3.south west) {\footnotesize{{$t^4$ =$<$s$>$ several\; approaches\; to\;{\color{red}machine}\;learning\; are\; used\; to\; solve\; problems\; $?$\;  $<$/s$>$  }}};

}


\end{scope}
\end{tikzpicture}


%---------------------------------------------------------------------



