%%%------------------------------------------------------------------------------------------------------------ %%% tree binarization \begin{center} \begin{tikzpicture}
{\small \begin{scope}[scale = 0.9, sibling distance=25pt, level distance=30pt]
{\footnotesize \Tree[.IP [.NP ] [.VP ] [., ] [.VP ] [., ] [.VP ] [., ] [.VP ] [.{.{\color{white} V}} ] ] } \end{scope} } \end{tikzpicture} \end{center}