(S (S (NP (BASENP (DT A) (JJ U.S.) (NN military) (NN spokesman)) (PRN (COMMA ,) (BASENP (NNP Lieutenant) (NNP Colonel) (NNP Paul) (NNP Fitzpatrick)) (COMMA ,))) (VP (VBD said) (SBAR (SBAR (S (BASENP (DT no) (JJ U.S.) (NNS troops)) (VP (VBD had) (VP (VBN been) (VP (VBN hurt)))))) (CONJP (COMMA ,) (CC and)) (SBAR (IN that) (S (BASENP (DT an) (NN investigation)) (VP (VBZ has) (VP (VBN begun) (PP (IN into) (BASENP (DT the) (NN incident)))))))))) (PERIOD .))