(S (S (NP (BASENP (NN Several)) (PP (IN of) (NP (BASENP (DT the) (NN world) (POS 's)) (BASENP (NNS leaders) (CC and) (NNS dignitaries))))) (VP (VBP are) (S (VP (TO to) (VP (VP (VB attend) (NP (BASENP (DT the) (NN president) (POS 's)) (NN funeral))) (COMMA ,) (PP (VBG including) (NP (BASENP (JJ US) (NN president) (NNP Barack) (NNP Obama)) (CC and) (BASENP (JJ Russian) (NN leader) (NNP Dmitry) (NNP Medvedev))))))))) (PERIOD .))