Given the task definition and input, reply with output. Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.

Sentence: 'J. Szmajdzinski is also scheduled to meet with Acting President Artas Paulauskas of the Republic of Lithuania , Prime Minister Algirdas Brazauskas , Acting Deputy Chairman of the Lithuanian Parliament Artas Skardus , Minister of Foreign Affairs , Antanas Valionis and Chairman of Committee on National Security and Defence Alvydas Sadeckas .', Argument/Subject 1: 'president', Argument/Subject 2: 'chairman of committee'
act as