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: 'Republican Rudy Giuliani , the former mayor of New York , pulled large sums of cash from the Fertitta family , owners of the neighborhood casino giant Station Casinos , and a bevy of the company 's executives .', Argument/Subject 1: 'rudy', Argument/Subject 2: 'new york'
be mayor of