(S (S (BASENP (NN Spokesman) (NNP Kaloi) (NNP Akhiltov)) (VP (VP (VBD said) (PP (TO to) (BASENP (DT the) (NNP Associated) (NNP Press) (NN news) (NN agency)))) (SBAR (IN that) (S (NP (BASENP (DT a) (NN van)) (VP (VBN packed) (PP (IN with) (BASENP (JJ explosive) (NN material))))) (VP (VBD drove) (PP (IN into) (BASENP (DT the) (NN traffic) (NN checkpoint)))))))) (PERIOD .))