( It ( ( supplies ( ( the ( local people ) ) ( with ( drinking water ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ supplies) (NP (NP (DT the) (JJ local) (NNS people)) (PP (IN with) (NP (NN drinking) (NN water))))) (. .)))
It supplies the local people with drinking water.
(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)))))) (. .)))