( ( The ( World ( Health Organization ) ) ) ( ( estimates ( that ( ( ( over ( five million ) ) people ) ( ( die ( each year ) ) ( from ( ( contaminated ( water diseases ) ) ( -LRB- ( ( ( this ( on top ) ) ( of ( illnesses ( from ( industrial pollutants ) ) ) ) ) -RRB- ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP World) (NNP Health) (NNP Organization)) (VP (VBZ estimates) (SBAR (IN that) (S (NP (QP (RB over) (CD five) (CD million)) (NNS people)) (VP (VBP die) (NP (DT each) (NN year)) (PP (IN from) (NP (NP (JJ contaminated) (NN water) (NNS diseases)) (PRN (-LRB- -LRB-) (NP (NP (DT this)) (PP (IN on) (NP (NN top))) (PP (IN of) (NP (NP (NNS illnesses)) (PP (IN from) (NP (JJ industrial) (NNS pollutants)))))) (-RRB- -RRB-)))))))) (. .)))
The World Health Organization estimates that over five million people die each year from contaminated water diseases (this on top of illnesses from industrial pollutants).
(ROOT (S (NP (QP (RB Nearly) (CD five) (CD million)) (NNS people)) (VP (VBP die) (NP (JJ yearly) (ADJP (JJ due) (PP (TO to) (NP (NN air)))) (NN pollution))) (. .)))