(SINV (SINV (S (BASENP (DT A) (NNP United) (NNPS States) (NNP Apache) (JJ military) (NN helicopter)) (VP (VBZ has) (VP (VBN been) (VP (VP (VBN shot) (PRT (RP down))) (PP (IN in) (BASENP (NNP Baghdad) (COMMA ,) (NNP Iraq))))))) (SINV (VP (VBZ says)) (BASENP (DT a) (JJ military) (NN spokesman)))) (PERIOD .))