(S (S (BASENP (DT The) (NN study)) (VP (VBD found) (SBAR (S (S (BASENP (JJ American) (NNS kids)) (VP (VBP are) (ADJP (ADJP (RB far) (RBR more) (JJ confident)) (SBAR (IN that) (S (BASENP (PRP they)) (VP (VBP have) (VP (VP (VBN done) (ADVP (RB well))) (PP (IN than) (BASENP (PRPD their) (JJ Korean) (NNS counterparts)))))))))) (COMMA ,) (SBAR (RB even) (SBAR (WHADVP (WRB when)) (S (BASENP (DT the) (NN inverse)) (VP (VBZ is) (ADJP (JJ true)))))))))) (PERIOD .))