( ( ( ( ( ( ( USGS ( Water Resources ) ) ( of ( ( the ( United ( States ( http://water.usgs.gov/ ( Blue ( Planet Most ) ) ) ) ) ) ( of ( the Earth ) ) ) ) ) ( is ( covered ( with water ) ) ) ) , ) but ) ( ( ( most ( of ( this ( ( ( ( ( is ( in ( the oceans ) ) ) , ) and ) , ) ( being saltwater ) ) ) ) ) , ) ( is undrinkable ) ) ) . )
(ROOT (S (S (NP (NP (NNP USGS) (NNP Water) (NNPS Resources)) (PP (IN of) (NP (NP (DT the) (NNP United) (NNPS States) (NNP http://water.usgs.gov/) (NNP Blue) (NNP Planet) (NNP Most)) (PP (IN of) (NP (DT the) (NN Earth)))))) (VP (VBZ is) (VP (VBN covered) (PP (IN with) (NP (NN water)))))) (, ,) (CC but) (S (NP (NP (JJS most)) (PP (IN of) (NP (NP (DT this)) (SBAR (S (S (VP (VBZ is) (PP (IN in) (NP (DT the) (NNS oceans))))) (, ,) (CC and) (, ,) (S (VP (VBG being) (NP (NN saltwater)))))))) (, ,)) (VP (VBZ is) (ADJP (JJ undrinkable)))) (. .)))
USGS Water Resources of the United States http://water.usgs.gov/ Blue Planet Most of the Earth is covered with water, but most of this is in the oceans, and, being saltwater, is undrinkable.
(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)))))))