Of particular significance --the American public has become acutely aware of the hazards to their health, including the risk of mortality, posed by inhalation of fine particles and exposure to mercury through fish consumption.
( ( Of ( particular significance ) ) ( -- ( ( the ( American public ) ) ( ( has ( ( ( ( become ( acutely ( aware ( of ( the hazards ) ) ) ) ) ( to ( their health ) ) ) , ) ( including ( ( ( ( the risk ) ( of mortality ) ) , ) ( ( ( posed ( by ( inhalation ( of ( fine ( ( particles and ) exposure ) ) ) ) ) ) ( to mercury ) ) ( through ( fish consumption ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Of) (NP (JJ particular) (NN significance))) (: --) (NP (DT the) (JJ American) (NN public)) (VP (VBZ has) (VP (VBN become) (ADJP (RB acutely) (JJ aware) (PP (IN of) (NP (DT the) (NNS hazards)))) (PP (TO to) (NP (PRP$ their) (NN health))) (, ,) (PP (VBG including) (NP (NP (DT the) (NN risk)) (PP (IN of) (NP (NN mortality))) (, ,) (VP (VBN posed) (PP (IN by) (NP (NP (NN inhalation)) (PP (IN of) (NP (JJ fine) (NNS particles) (CC and) (NN exposure))))) (PP (TO to) (NP (NN mercury))) (PP (IN through) (NP (NN fish) (NN consumption)))))))) (. .)))
The consumption of fish is the main way in which mercury poisoning occurs.
( ( ( The consumption ) ( of fish ) ) ( ( is ( ( the ( main way ) ) ( ( in which ) ( ( mercury poisoning ) occurs ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN consumption)) (PP (IN of) (NP (NN fish)))) (VP (VBZ is) (NP (NP (DT the) (JJ main) (NN way)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NN mercury) (NN poisoning)) (VP (VBZ occurs)))))) (. .)))