as plain and pedestrian as catsup -- 
(ROOT (ADJP (ADJP (IN as) (JJ plain) (CC and) (JJ pedestrian)) (PP (IN as) (NP (NN catsup))) (: --)))
(ROOT (ADJP (ADJP (IN ) (JJ ) (CC ) (JJ )) (PP (IN ) (NP (NN ))) (: )))