(S (S (S (NP (NP (BASENP (DT A) (NNP Kam) (NNP Air) (NN plane)) (PP (IN from) (BASENP (NNP Afghanistan)))) (COMMA ,) (VP (VBN traveling) (PP (IN in) (NP (BASENP (NNP China) (POS 's)) (BASENP (NNP Xinjiang) (NN region)))))) (VP (VP (VP (VBD was) (RB not)) (VP (VBN hijacked))) (CC and) (VP (VP (VBD did) (RB not)) (VP (VB receive) (BASENP (DT a) (NN bomb) (NN threat)))))) (COMMA ,) (PP (VBG according) (PP (TO to) (BASENP (JJ Afghan) (NNS officials))))) (PERIOD .))