( ( Even ( though ( residents ( ( dumped ( ( all types ) ( of waste ) ) ) ( into ( ( the ( city 's ) ) ( ( canals and ) rivers ) ) ) ) ) ) ) ( they ( also ( ( ( used them ) ( for ( drinking water ) ) ) . ) ) ) )
(ROOT (S (SBAR (RB Even) (IN though) (S (NP (NNS residents)) (VP (VBD dumped) (NP (NP (DT all) (NNS types)) (PP (IN of) (NP (NN waste)))) (PP (IN into) (NP (NP (DT the) (NN city) (POS 's)) (NNS canals) (CC and) (NNS rivers)))))) (NP (PRP they)) (ADVP (RB also)) (VP (VBD used) (NP (PRP them)) (PP (IN for) (NP (NN drinking) (NN water)))) (. .)))
Even though residents dumped all types of waste into the city's canals and rivers they also used them for drinking water.
(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)))))) (. .)))