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: 'People 's Bank of China deputy governor Wu Xiaoling warned that central banks ' liquidity pumping has done nothing to solve the world liquidity crisis , at the 16th meeting of the International Monetary and Financial Committee in Washington yesterday .', Argument/Subject 1: 'committee', Argument/Subject 2: 'washington'
meet in