(S (S (BASENP (NNP Citigroup)) (VP (VBZ is) (NP (NP (BASENP (NN one)) (PP (IN of) (NP (ADJP (BASENP (DT the) (NN world) (POS 's)) (JJS largest)) (BASENP (JJ full-service) (NNS banks))))) (COMMA ,) (PP (IN with) (NP (BASENP (QP (NN two) (NN hundred) (NN million)) (NNS customers)) (PP (IN in) (NP (QP (ADVP (RBR more) (IN than)) (NN 100)) (NNS countries)))))))) (PERIOD .))