\newcommand{\PreserveBackslash}[1]{\let\temp=\\#1\let\\=\temp}
\newcolumntype{C}[1]{>{\PreserveBackslash\centering}p{#1}}
\newcolumntype{R}[1]{>{\PreserveBackslash\raggedleft}p{#1}}
\newcolumntype{L}[1]{>{\PreserveBackslash\raggedright}p{#1}}

\begin{flushright}
\begin{tikzpicture}

\begin{scope}[scale=0.47]

{\Large
\begin{scope}[sibling distance=17pt, level distance = 35pt]
\Tree[.\node(en1){VP$^{[1]}$};
        [.\node(en2){VBZ$^{[2]}$}; have ]
        [.\node(en3){ADVP$^{[3]}$};
            [.\node(en4){RB$^{[4]}$}; drastically ]
            [.\node(en5){VBN$^{[5]}$}; fallen ]
        ]
     ]
\end{scope}

\begin{scope}[grow'=up, yshift=-3.3in, sibling distance=32pt, level distance = 35pt]
\Tree[.\node(cn1){VP$^{[1]}$};
        [.\node(cn2){AD$^{[2]}$}; 大幅度 ]
        [.\node(cn3){VP$^{[3]}$};
            [.\node(cn4){VV$^{[4]}$}; 减少 ]
            [.\node(cn5){AS$^{[5]}$}; 了 ]
        ]
     ]
\end{scope}
}

\begin{scope}[xshift=2.3in, yshift=-0.3in]
\node[anchor=west, rotate=60] at (0.8,-0.6) {VP$^{[1]}$};
\node[anchor=west, rotate=60] at (1.8,-0.6) {VBZ$^{[2]}$};
\node[anchor=west, rotate=60] at (2.8,-0.6) {ADVP$^{[3]}$};
\node[anchor=west, rotate=60] at (3.8,-0.6) {RB$^{[4]}$};
\node[anchor=west, rotate=60] at (4.8,-0.6) {VBN$^{[5]}$};

\node[] at (6.5,-1) {VP$^{[1]}$};
\node[] at (6.5,-2) {AD$^{[2]}$};
\node[] at (6.5,-3) {VP$^{[3]}$};
\node[] at (6.5,-4) {VV$^{[4]}$};
\node[] at (6.5,-5) {AS$^{[5]}$};

\foreach \i in {1,...,5}{
    \foreach \j in {-5,...,-1}{
        \node[fill=blue!40,scale=0.2] at (\i,\j) {};
    }
}

\node[fill=blue!40, scale=1.1, inner sep=1pt, minimum size=12pt] at (1,-1) {{\color{white} 1}};
\node[fill=blue!40, scale=1.1, inner sep=1pt, minimum size=12pt] at (2,-5) {{\color{white} 1}};
\node[fill=blue!40, scale=1.1, inner sep=1pt, minimum size=12pt] at (4,-2) {{\color{white} 1}};
\node[fill=blue!40, scale=1.1, inner sep=1pt, minimum size=12pt] at (5,-4) {{\color{white} 1}};

\node[] at (4,-6.3) {{\color{blue!40} $\blacksquare$} = fixed alignment};
\node[] at (4,-7.2) {Matrix 1: 1-best alignment};

\end{scope}

\begin{scope}[xshift=6.1in, yshift=-0.3in]
\node[anchor=west, rotate=60] at (0.8,-0.6) {VP$^{[1]}$};
\node[anchor=west, rotate=60] at (1.8,-0.6) {VBZ$^{[2]}$};
\node[anchor=west, rotate=60] at (2.8,-0.6) {ADVP$^{[3]}$};
\node[anchor=west, rotate=60] at (3.8,-0.6) {RB$^{[4]}$};
\node[anchor=west, rotate=60] at (4.8,-0.6) {VBN$^{[5]}$};

\node[] at (6.5,-1) {VP$^{[1]}$};
\node[] at (6.5,-2) {AD$^{[2]}$};
\node[] at (6.5,-3) {VP$^{[3]}$};
\node[] at (6.5,-4) {VV$^{[4]}$};
\node[] at (6.5,-5) {AS$^{[5]}$};

\foreach \i in {1,...,5}{
    \foreach \j in {-5,...,-1}{
        \node[fill=blue!40,scale=0.2] at (\i,\j) {};
    }
}

\node[fill=blue!40, scale=1.1, inner sep=1pt, minimum size=12pt] at (1,-1) {{\color{white} \small{.9}}};
\node[fill=blue!40, scale=0.5, inner sep=1pt, minimum size=12pt] at (1,-3) {{\color{white} \small{.1}}};
\node[fill=blue!40, scale=0.5, inner sep=1pt, minimum size=12pt] at (2,-2) {{\color{white} \small{.1}}};
\node[fill=blue!40, scale=0.8, inner sep=1pt, minimum size=12pt] at (2,-3) {{\color{white} \small{.6}}};
\node[fill=blue!40, scale=0.8, inner sep=1pt, minimum size=12pt] at (2,-5) {{\color{white} \small{.6}}};
\node[fill=blue!40, scale=0.5, inner sep=1pt, minimum size=12pt] at (3,-1) {{\color{white} \small{.1}}};
\node[fill=blue!40, scale=0.5, inner sep=1pt, minimum size=12pt] at (3,-2) {{\color{white} \small{.1}}};
\node[fill=blue!40, scale=0.5, inner sep=1pt, minimum size=12pt] at (3,-3) {{\color{white} \small{.1}}};
\node[fill=blue!40, scale=1.0, inner sep=1pt, minimum size=12pt] at (4,-2) {{\color{white} \small{.8}}};
\node[fill=blue!40, scale=0.6, inner sep=1pt, minimum size=12pt] at (5,-3) {{\color{white} \small{.2}}};
\node[fill=blue!40, scale=0.7, inner sep=1pt, minimum size=12pt] at (5,-5) {{\color{white} \small{.4}}};
\node[fill=blue!40, scale=0.65, inner sep=1pt, minimum size=12pt] at (3,-4) {{\color{white} \small{.3}}};
\node[fill=blue!40, scale=0.9, inner sep=1pt, minimum size=12pt] at (5,-4) {{\color{white} \small{.7}}};

\node[] at (4,-6.3) {{\color{blue!40} $\blacksquare$} = possible alignment};
\node[] at (4,-7.2) {Matrix 2: posterior};

\node[] at (9,-7.2) {};%占位符
\end{scope}

\end{scope}

\end{tikzpicture}
\\[0.8em]
\end{flushright}
\begin{center}
\vspace{-1em}
\footnotesize{(a)节点对齐矩阵（1-best vs. Matrix）}
\end{center}

\begin{center}
\begin{tabular}[t]{C{0.48\linewidth} C{0.48\linewidth} }

\begin{tabular}{l L{150pt}}
\multicolumn{2}{l}{\textbf{\footnotesize{Minimal Rules}}} \\
\multicolumn{2}{l}{\textbf{\footnotesize{Extracted from Matrix 1 (1-best)}}} \\
\hline
\footnotesize{$r_3$} & \footnotesize{AD(大幅度) $\rightarrow$ RB(drastically)} \\
\footnotesize{$r_4$} & \footnotesize{VV(减少) $\rightarrow$ VBN(fallen)} \\
\footnotesize{$r_6$} & \footnotesize{AS(了) $\rightarrow$ VBZ(have)} \\
\footnotesize{$r_8$} & \footnotesize{VP(AD$_1$ VP(VV$_2$ AS$_3$)) $\rightarrow$} \\
                     & \footnotesize{VP(VBZ$_3$ ADVP(RB$_1$ VBN$_2$)} \\
\rule{0pt}{11pt} \\
\\
\\
\end{tabular}

&

\begin{tabular}{l L{150pt}}
\multicolumn{2}{l}{\textbf{\small{Minimal Rules}}} \\
\multicolumn{2}{l}{\textbf{\small{Extracted from Matrix 2 (posterior)}}} \\
\hline
\footnotesize{$r_3$} & \footnotesize{AD(大幅度) $\rightarrow$ RB(drastically)} \\
\footnotesize{$r_4$} & \footnotesize{VV(减少) $\rightarrow$ VBN(fallen)} \\
\footnotesize{$r_6$} & \footnotesize{AS(了) $\rightarrow$ VBZ(have)} \\
\footnotesize{$r_8$} & \footnotesize{VP(AD$_1$ VP(VV$_2$ AS$_3$)) $\rightarrow$} \\
                     & \footnotesize{VP(VBZ$_3$ ADVP(RB$_1$ VBN$_2$)} \\
\footnotesize{$r_{10}$} & \footnotesize{VP(VV(减少) AS(了)) $\rightarrow$ VBN(fallen)} \\
\footnotesize{$r_{11}$} & \footnotesize{VP(AD$_1$ VP$_2$) $\rightarrow$ VP(VBZ$_1$ ADVP$_2$)} \\
\footnotesize{...}\\
\end{tabular}

\\

\end{tabular}

\begin{center}
\vspace{-2em}
\footnotesize{(b) 抽取得到的树到树翻译规则}
\end{center}

\end{center}