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: 'Wen said that China and ASEAN should maintain regular high-level exchanges , increase dialogue and contact in various areas and at different levels , and step up coordination and cooperation on major international and regional issues to increasepolitical trust .', Argument/Subject 1: 'wen', Argument/Subject 2: 'asean'
say