( ( ( ( Chemical ( waste ( dump leachates ) ) ) and ) ( industrial wastewater ) ) ( ( are ( ( the ( major source ) ) ( of ( pollution ( of ( dichlorobenzenes ( to ( Lake Ontario ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Chemical) (NN waste) (NN dump) (NNS leachates)) (CC and) (NP (JJ industrial) (NN wastewater))) (VP (VBP are) (NP (NP (DT the) (JJ major) (NN source)) (PP (IN of) (NP (NP (NN pollution)) (PP (IN of) (NP (NP (NNS dichlorobenzenes)) (PP (TO to) (NP (NNP Lake) (NNP Ontario))))))))) (. .)))
Chemical waste dump leachates and industrial wastewater are the major source of pollution of dichlorobenzenes to Lake Ontario.
(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)))))) (. .)))