(S (S (NP (BASENP (DT The) (JJ northern) (NN port)) (PP (IN of) (NP (BASENP (NNP Thessaloniki)) (PRN (COMMA ,) (NP (BASENP (NNP Greece) (POS 's)) (BASENP (ADJP (RB second) (JJS biggest)) (NN city))) (COMMA ,))))) (VP (MD will) (VP (VP (VB host) (BASENP (DT the) (NNP Inter-Balkan) (NN co-operation) (NNP Summit))) (COMMA ,) (PP (IN on) (NP (BASENP (DT the) (JJ 3rd) (CC and) (JJ 4th)) (PP (IN of) (BASENP (NNP May) (NN 2006)))))))) (PERIOD .))