(S (S (S (BASENP (DT The) (JJ U.S.) (NN military)) (VP (ADVP (RB also)) (VP (VBD said) (SBAR (S (BASENP (DT the) (NN crash)) (VP (VBD was) (VP (VBN caused) (PP (IN by) (BASENP (NN brake) (NN failure)))))))))) (CC but) (S (BASENP (NNPS Afghans)) (VP (ADVP (RB often)) (VP (VBP complain) (PP (IN about) (NP (BASENP (JJ aggressive) (NN driving) (NNS tactics)) (PP (IN of) (BASENP (DT the) (JJ U.S.) (NN military))))))))) (PERIOD .))