(S (S (BASENP (NN Tomorrow)) (COMMA ,) (S (BASENP (NNP President) (NNP Papoulias)) (VP (MD will) (VP (VP (VP (VB meet) (ADVP (RB unofficially))) (PP (IN in) (BASENP (NNP Cairo)))) (PP (IN with) (NP (BASENP (NNP President) (NNP Hosni) (NNP Mubarak)) (PP (IN of) (BASENP (NNP Egypt))))))))) (PERIOD .))