( Never ( ( ( ( ( dump ( ( ( oil or ) other ) waste ) ) ( down ( storm sewers ) ) ) or ) ( ( ( leave them ) ( on streets ) ) ( to ( be ( flushed ( into ( storm drains ) ) ) ) ) ) ) . ) )
(ROOT (S (ADVP (RB Never)) (VP (VP (VB dump) (NP (UCP (NN oil) (CC or) (JJ other)) (NN waste)) (PP (IN down) (NP (NN storm) (NNS sewers)))) (CC or) (VP (VB leave) (NP (PRP them)) (PP (IN on) (NP (NNS streets))) (S (VP (TO to) (VP (VB be) (VP (VBN flushed) (PP (IN into) (NP (NN storm) (NNS drains))))))))) (. .)))
Never dump oil or other waste down storm sewers or leave them on streets to be flushed into storm drains.
(ROOT (S (NP (NNP Motor) (NN oil)) (VP (VBZ is) (NP (NP (DT a) (JJ harmful) (NN substance)) (SBAR (WHNP (WDT that)) (S (VP (MD must) (RB not) (VP (VB be) (VP (VBN drained) (PP (IN into) (NP (DT a) (NN storm) (NN sewer)))))))))) (. .)))