(S (S (BASENP (NNP North) (NNP Korea)) (VP (ADVP (RB successfully)) (VP (VP (VBD tested) (BASENP (DT a) (JJ nuclear) (NN missile))) (PP (IN on) (NP (BASENP (NNP October) (NN 9)) (COMMA ,) (BASENP (NN 2006))))))) (PERIOD .))