(S (S (ADVP (RB So) (RB far)) (COMMA ,) (S (BASENP (DT the) (NNP United) (NNPS States)) (VP (VBZ has) (VP (VBN pledged) (NP (BASENP (QP (DOLLAR $) (NN 1) (NN billion))) (PP (IN in) (BASENP (NN aid)))))))) (PERIOD .))