( ( ( The ( Tropical ( Warm Pool ) ) ) ( -LRB- ( TPW -RRB- ) ) ) ( ( is ( ( a mass ) ( of ( ( ocean water ) ( located ( in ( ( the ( western ( ( ( Pacific Ocean ) and ) ( eastern ( Indian Ocean ) ) ) ) ) ( which ( exhibits ( ( the ( highest ( water temperatures ) ) ) ( over ( ( the ( largest expanse ) ) ( of ( ( the ( Earth 's ) ) surface ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNP Tropical) (NNP Warm) (NNP Pool)) (PRN (-LRB- -LRB-) (NP (NNP TPW)) (-RRB- -RRB-))) (VP (VBZ is) (NP (NP (DT a) (NN mass)) (PP (IN of) (NP (NP (NN ocean) (NN water)) (VP (VBN located) (PP (IN in) (NP (NP (DT the) (JJ western) (NX (NX (NNP Pacific) (NNP Ocean)) (CC and) (NX (NNP eastern) (NNP Indian) (NNP Ocean)))) (SBAR (WHNP (WDT which)) (S (VP (VBZ exhibits) (NP (NP (DT the) (JJS highest) (NN water) (NNS temperatures)) (PP (IN over) (NP (NP (DT the) (JJS largest) (NN expanse)) (PP (IN of) (NP (NP (DT the) (NN Earth) (POS 's)) (NN surface)))))))))))))))) (. .)))
The Tropical Warm Pool (TPW) is a mass of ocean water located in the western Pacific Ocean and eastern Indian Ocean which exhibits the highest water temperatures over the largest expanse of the Earth's surface.
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (NP (NN earth) (POS 's)) (NN water)))) (VP (VBZ is) (VP (VBN located) (PP (IN in) (NP (NNS oceans)))))))