(S (S (PP (VBG According) (PP (TO to) (NP (BASENP (DT the) (NNP China) (NNP Internet) (NNP Network) (NNP Information) (NNP Center)) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ manages) (BASENP (DT the) (NN .) (NN cn) (NN domain)))))))) (COMMA ,) (S (BASENP (DT this) (NN attack)) (VP (VBD was) (NP (BASENP (DT the) (JJS largest)) (PP (IN of) (BASENP (PRPD its) (NN kind))))))) (PERIOD .))