( ( Neighborhoods ( that ( use ( reclaimed water ) ) ) ) ( ( can ( ( save ( ( ( ( at least ) 10 ) percent ) ( of ( the ( drinking ( water supply ) ) ) ) ) ) ( in ( their area ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Neighborhoods)) (SBAR (WHNP (WDT that)) (S (VP (VBP use) (NP (VBN reclaimed) (NN water)))))) (VP (MD can) (VP (VB save) (NP (NP (QP (IN at) (JJS least) (CD 10)) (NN percent)) (PP (IN of) (NP (DT the) (NN drinking) (NN water) (NN supply)))) (PP (IN in) (NP (PRP$ their) (NN area))))) (. .)))
Neighborhoods that use reclaimed water can save at least 10 percent of the drinking water supply in their area.
(ROOT (S (NP (NP (QP (IN At) (JJS least) (CD 20)) (NN percent)) (PP (IN of) (NP (NP (DT the) (NN world) (POS 's)) (NNS people)))) (VP (VBP do) (RB not) (VP (VB have) (NP (NP (DT a) (JJ ready) (NN supply)) (PP (IN of) (NP (JJ clean) (NN drinking) (NN water)))))) (. .)))