0) [Tree (0)]{};  \(A) edge \[-, shorten &lt;= 0pt, shorten &gt;= 0pt\] node\[above\] [ ]{} (B); (A) edge \[-, shorten &lt;= 0pt, shorten &gt;= 0pt\] node\[above\] [ ]{} (C); (B) edge \[-, shorten &lt;= 0pt, shorten &gt;= 0pt\] node\[above \][ ]{} (D); (B) edge \[-, shorten &lt;= 0pt, shorten &gt;= 0pt\] node\[above \][ ]{} (E);  