Detailed Instructions: 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.
Problem:Sentence: 'The U.S. ambassador to Iraq , Zalmay Khalilzad , said American policy would not dramatically change , despite the Democratic election success .', Argument/Subject 1: 'zalmay khalilzad', Argument/Subject 2: 'iraq'
Solution:
be ambassador to