( ( ( 97 % ) ( of ( ( the ( earth 's ) ) water ) ) ) ( ( is ( ( salt water ) ( -LRB- ( ( ( oceans and ) seas ) -RRB- ) ) ) ) . ) )
(ROOT (S (NP (NP (CD 97) (NN %)) (PP (IN of) (NP (NP (DT the) (NN earth) (POS 's)) (NN water)))) (VP (VBZ is) (NP (NP (NN salt) (NN water)) (PRN (-LRB- -LRB-) (NP (NP (NNS oceans)) (CC and) (NP (NNS seas))) (-RRB- -RRB-)))) (. .)))
97% of the earth's water is salt water (oceans and seas).
(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)))))))