as much of a mess as this one 
(ROOT (NP (ADJP (RB as) (JJ much)) (PP (IN of) (NP (DT a) (NN mess))) (PP (IN as) (NP (DT this) (NN one)))))
(ROOT (NP (ADJP (RB ) (JJ )) (PP (IN ) (NP (DT ) (NN ))) (PP (IN ) (NP (DT ) (NN )))))