a rather unique approach to documentary 
(ROOT (NP (NP (DT a) (ADJP (RB rather) (JJ unique)) (NN approach)) (PP (IN to) (NP (NN documentary)))))
(ROOT (NP (NP (DT ) (ADJP (RB ) (JJ )) (NN )) (PP (IN ) (NP (NN )))))