\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{tikz-dependency}
\begin{document}
    \begin{dependency}
        \begin{deptext}[column sep=0.4cm]
              the\_Det : Det \& black\_A : A \& cat\_N : N \\
              \& PositA black\_A : AP \&  \\
        \end{deptext}
        \depedge{3}{1}{det}
        \depedge{3}{2}{amod}
        \deproot{3}{root}
    \end{dependency}
\end{document}

