(S (S (BASENP (NNP China)) (VP (ADVP (RB reportedly)) (VP (VBZ has) (NP (NP (BASENP (JJ massive) (NNS reserves)) (PP (IN of) (BASENP (JJ foreign) (NN currency)))) (COMMA ,) (VP (ADVP (RB mostly)) (VP (VP (VBN made) (PRT (RP up))) (PP (IN of) (BASENP (NNP United) (NNPS States) (NNS dollars))))))))) (PERIOD .))