(S (S (NP (BASENP (DT The) (NN momentum)) (VP (VBG growing) (PP (IN around) (NP (BASENP (DT the) (NNP WHO) (NNP Framework) (NNP Convention)) (PP (IN on) (BASENP (NNP Tobacco) (NNP Control))))))) (VP (VBZ seems) (ADJP (JJ unstoppable)))) (PERIOD .))