( ( The river ) ( ( has ( ( been ( polluted ( by ( dumping ( of ( ( ( ( ( raw sewage ) , ) ( industrial waste ) ) and ) ( municipal waste ) ) ) ) ) ) ) ( into ( the river ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN river)) (VP (VBZ has) (VP (VBN been) (ADJP (JJ polluted) (PP (IN by) (S (VP (VBG dumping) (PP (IN of) (NP (NP (JJ raw) (NN sewage)) (, ,) (NP (JJ industrial) (NN waste)) (CC and) (NP (JJ municipal) (NN waste)))))))) (PP (IN into) (NP (DT the) (NN river))))) (. .)))
The river has been polluted by dumping of raw sewage, industrial waste and municipal waste into the river.
(ROOT (S (NP (DT The) (NN love) (NN canal) (NN tragedy)) (VP (VBD was) (NP (NP (DT an) (JJ infamous) (NN example)) (PP (IN of) (NP (NP (JJ industrial) (NN waste)) (VP (VBG dumping)))))) (. .)))