(S (S (S (ADVP (RB Thus)) (S (BASENP (DT the) (NN treaty)) (VP (VBZ suggests) (NP (BASENP (NN tobacco) (NNS taxes)) (CC or) (BASENP (NN price) (NNS controls)))))) (COMMA ,) (SBAR (IN although) (S (BASENP (PRP it)) (VP (CC neither) (VP (VP (VBZ suggests) (BASENP (JJ specific) (NNS levels))) (CC nor) (VP (VBZ requires) (NP (BASENP (DT any) (NNS taxes)) (CC or) (BASENP (NN price) (NNS controls))))))))) (PERIOD .))