( ( ( Water management ) ( for humans ) ) ( ( has ( four ( main components ) ) ) ; ) )
(ROOT (S (NP (NP (NNP Water) (NN management)) (PP (IN for) (NP (NNS humans)))) (VP (VBZ has) (NP (CD four) (JJ main) (NNS components))) (: ;)))
Water management for humans has four main components;
(ROOT (S (NP (NNP Water)) (VP (VBZ is) (NP (NP (DT the) (JJ main) (NN component)) (PP (IN of) (NP (NN milk))))) (. .)))