(S (S (S (BASENP (NNP China)) (VP (VP (VP (VBD added) (BASENP (DT the) (ADJP (RBS most) (JJ new)) (NNS billionaires))) (PP (TO to) (BASENP (DT the) (NN list)))) (PP (IN with) (BASENP (NN 54))))) (SBAR (IN while) (S (BASENP (NNP Russia)) (VP (VBD added) (BASENP (NN 31)))))) (PERIOD .))