(S (S (PP (VBG According) (PP (TO to) (NP (BASENP (DT the) (JJ regional) (NN security) (NN minister)) (COMMA ,) (BASENP (NNP Igor) (NNP Orlov))))) (COMMA ,) (S (NP (BASENP (DT the) (NN club) (POS 's)) (BASENP (JJ plastic) (NN ceiling))) (VP (VP (VBD caught) (BASENP (NN fire))) (COMMA ,) (VP (VBN ignited) (PP (IN by) (BASENP (NNS firecrackers))))))) (PERIOD .))