one of the most plain , unimaginative romantic comedies i 've ever seen . 
(ROOT (NP (NP (CD one)) (PP (IN of) (NP (NP (DT the) (ADJP (RBS most) (JJ plain)) (, ,) (JJ unimaginative) (JJ romantic) (NNS comedies)) (SBAR (S (NP (PRP i)) (VP (VBP 've) (ADVP (RB ever)) (VP (VBN seen))))))) (. .)))
(ROOT (NP (NP (CD )) (PP (IN ) (NP (NP (DT ) (ADJP (RBS ) (JJ )) (, ) (JJ ) (JJ ) (NNS )) (SBAR (S (NP (PRP )) (VP (VBP ) (ADVP (RB )) (VP (VBN ))))))) (. )))