(S (S (BASENP (JJ Russian) (NN president) (NNP Dmitry) (NNP Medvedev)) (VP (VP (VBD followed) (NP (NP (BASENP (DT the) (NN president)) (PP (IN of) (BASENP (NNP Georgia)))) (COMMA ,) (BASENP (NNP Mikheil) (NNP Saakashvili)))) (CC and) (VP (VP (VBD signed) (BASENP (DT the) (NN ceasefire) (NN agreement))) (PP (IN on) (BASENP (NNP Saturday)))))) (PERIOD .))