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.
Q: Sentence: 'Responding to Garretts endorsement by former New York City mayor and presidential candidate Rudy Giuliani , Codey offered one of his trademark zingers .', Argument/Subject 1: 'rudy giulianus', Argument/Subject 2: 'new york city'
A:
be mayor of