Guangzhou, with a population of more than 5 million, straddles the Pearl River China's fifth longest which links the city to the South China Sea.
( ( ( ( Guangzhou , ) ( with ( ( a population ) ( of ( more ( ( than 5 ) million ) ) ) ) ) ) , ) ( ( straddles ( ( ( the ( Pearl ( River ( China 's ) ) ) ) ( fifth longest ) ) ( which ( ( links ( the city ) ) ( to ( the ( South ( China Sea ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Guangzhou)) (, ,) (PP (IN with) (NP (NP (DT a) (NN population)) (PP (IN of) (NP (QP (JJR more) (IN than) (CD 5) (CD million)))))) (, ,)) (VP (VBZ straddles) (NP (NP (NP (DT the) (NNP Pearl) (NNP River) (NNP China) (POS 's)) (JJ fifth) (NN longest)) (SBAR (WHNP (WDT which)) (S (VP (VBZ links) (NP (DT the) (NN city)) (PP (TO to) (NP (DT the) (NNP South) (NNP China) (NNP Sea)))))))) (. .)))
Pearl River is the fifth longest river in China.
( ( Pearl River ) ( ( is ( ( the ( ( fifth longest ) river ) ) ( in China ) ) ) . ) )
(ROOT (S (NP (NNP Pearl) (NNP River)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RB fifth) (JJS longest)) (NN river)) (PP (IN in) (NP (NNP China))))) (. .)))