(S (S (NP (BASENP (NNP Andrei) (NNP Nesterenko)) (PRN (COMMA ,) (NP (BASENP (DT a) (NN spokesman)) (PP (IN for) (BASENP (DT the) (JJ Russian) (JJ foreign) (NN ministry)))) (COMMA ,))) (VP (VP (VBD responded) (PP (TO to) (NP (BASENP (NNP Israel) (POS 's)) (NNS comments)))) (COMMA ,) (S (VP (VBG saying) (COLON :) (QTL (DQL ``) (S (BASENP (NNP Hamas)) (VP (VP (VBZ is) (RB not)) (BASENP (DT an) (JJ artificial) (NN structure))))))))) (PERIOD .))