( ( Waste water ) ( ( was ( ( ( removed ( by ( complex ( sewage systems ) ) ) ) and ) ( ( ( released ( into ( ( nearby bodies ) ( of water ) ) ) ) , ) ( ( keeping ( ( the towns ) ( ( clean and ) free ) ) ) ( from effluent ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Waste) (NN water)) (VP (VBD was) (VP (VP (VBN removed) (PP (IN by) (NP (JJ complex) (NN sewage) (NNS systems)))) (CC and) (VP (VBN released) (PP (IN into) (NP (NP (JJ nearby) (NNS bodies)) (PP (IN of) (NP (NN water))))) (, ,) (S (VP (VBG keeping) (NP (NP (DT the) (NNS towns)) (ADJP (JJ clean) (CC and) (JJ free))) (PP (IN from) (NP (JJ effluent)))))))) (. .)))
Waste water was removed by complex sewage systems and released into nearby bodies of water, keeping the towns clean and free from effluent.
(ROOT (S (NP (DT The) (JJ urinary) (NN system) (NN system)) (VP (VP (VBZ controls) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NN water)))) (PP (IN in) (NP (DT the) (NN body)))) (CC and) (VP (VBZ removes) (NP (NNS wastes)))) (. .)))