without ( de niro ) , city by the sea would slip under the waves . 
(ROOT (S (PP (IN without) (-LRB- -LRB-) (NP (FW de) (FW niro)) (-RRB- -RRB-)) (, ,) (NP (NP (NN city)) (PP (IN by) (NP (DT the) (NN sea)))) (VP (MD would) (VP (VB slip) (PP (IN under) (NP (DT the) (NNS waves))))) (. .)))
(ROOT (S (PP (IN ) (-LRB- ) (NP (FW ) (FW )) (-RRB- )) (, ) (NP (NP (NN )) (PP (IN ) (NP (DT ) (NN )))) (VP (MD ) (VP (VB ) (PP (IN ) (NP (DT ) (NNS ))))) (. )))