You will be given a definition of a task first, then some input of the task.
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: 'Because China is a permanent member of the U-N Security Council , Washington hopes China will not exercise its veto on the Iraq resolution .', Argument/Subject 1: 'china', Argument/Subject 2: 'security council'
Output:
be member of