( Groundwater ( ( ( makes up ) ( ( ( ( about 1 ) % ) ( of ( ( the water ) ( on Earth ) ) ) ) ( -LRB- ( ( ( most water ) ( is ( in oceans ) ) ) -RRB- ) ) ) ) . ) )
(ROOT (S (NP (NNP Groundwater)) (VP (VBZ makes) (PRT (RP up)) (NP (NP (QP (RB about) (CD 1)) (NN %)) (PP (IN of) (NP (NP (DT the) (NN water)) (PP (IN on) (NP (NNP Earth))))) (PRN (-LRB- -LRB-) (S (NP (JJS most) (NN water)) (VP (VBZ is) (PP (IN in) (NP (NNS oceans))))) (-RRB- -RRB-)))) (. .)))
Groundwater makes up about 1% of the water on Earth (most water is in oceans).
(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)))))))