(S (S (PP (VBG According) (PP (TO to) (NP (BASENP (DT the) (NNP World) (NNP Health) (NNP Organization) (POS 's)) (BASENP (NNP World) (NNP Health) (NNP Report) (NN 2003))))) (COMMA ,) (S (BASENP (NN tobacco) (NN consumption)) (VP (VBZ is) (NP (BASENP (DT the) (JJ single) (JJ leading) (JJ preventable) (NN cause)) (PP (IN of) (BASENP (NN death))))))) (PERIOD .))