(S (S (BASENP (NNP Japan)) (VP (ADVP (RB currently)) (VP (VBZ carries) (NP (NP (NP (BASENP (JJ high) (NNS levels)) (PP (IN of) (BASENP (NN debt)))) (COMMA ,) (VP (VBN estimated) (S (VP (TO to) (VP (VB be) (BASENP (QP (RB about) (NN ten) (NN trillion)) (NNS dollars))))))) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (VP (VBN expected) (S (VP (TO to) (VP (VB make) (S (NP (BASENP (JJ additional) (NN government) (NN spending)) (PP (IN for) (BASENP (NN rebuilding) (NNS efforts)))) (ADJP (JJ difficult)))))))))))))) (PERIOD .))