( ( ( ( ( ( Ground water ) ( is ( ( the ( main ( water-use component ) ) ) ( in ( ( the ( southern part ) ) ( of ( the area ) ) ) ) ) ) ) , ) and ) ( ( surface water ) ( is ( ( the ( main component ) ) ( in ( ( the ( northern part ) ) ( of ( the area ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NN Ground) (NN water)) (VP (VBZ is) (NP (NP (DT the) (JJ main) (JJ water-use) (NN component)) (PP (IN in) (NP (NP (DT the) (JJ southern) (NN part)) (PP (IN of) (NP (DT the) (NN area)))))))) (, ,) (CC and) (S (NP (NN surface) (NN water)) (VP (VBZ is) (NP (NP (DT the) (JJ main) (NN component)) (PP (IN in) (NP (NP (DT the) (JJ northern) (NN part)) (PP (IN of) (NP (DT the) (NN area)))))))) (. .)))
Ground water is the main water-use component in the southern part of the area, and surface water is the main component in the northern part of the area.
(ROOT (S (NP (NNP Water)) (VP (VBZ is) (NP (NP (DT the) (JJ main) (NN component)) (PP (IN of) (NP (NN milk))))) (. .)))