(S (S (PP (IN On) (BASENP (NNP Saturday))) (S (NP (BASENP (NNP Mikheil) (NNP Saakashvili)) (PRN (COMMA ,) (NP (BASENP (DT the) (NNP President)) (PP (IN of) (BASENP (NNP Georgia)))) (COMMA ,))) (VP (VBD called) (PP (IN for) (NP (BASENP (DT a) (NN ceasefire)) (PP (IN in) (BASENP (DT the) (NNP South) (NNP Ossetia) (NN war)))))))) (PERIOD .))