(S (SBAR (WHADVP (WRB When)) (S (VP (VBN asked) (PP (IN about) (NP (BASENP (NNP America) (POS 's)) (BASENP (VBG shrinking) (JJ middle) (NN class))))))) (S (BASENP (PRP he)) (VP (VBD said) (COMMA ,) (QT (DQL ``) (QTC (S (NP (BASENP (DT The) (JJ economic) (NNS policies)) (PP (IN of) (BASENP (DT the) (NNP US) (NN government)))) (VP (VBP are) (NP (BASENP (DT the) (NN cause)) (BASENP (PRPD our) (NNS troubles))))) (PERIOD .)) (DQR '')))))