( ( ( clean ( drinking ( water supply ) ) ) ( to ( refugee camps ) ) ) ; )
(ROOT (S (VP (VB clean) (NP (NN drinking) (NN water) (NN supply)) (PP (TO to) (NP (NN refugee) (NNS camps)))) (: ;)))
clean drinking water supply to refugee camps;
(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)))))) (. .)))