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: 'There 's very few things in life you ca n't outsource , " said retired Army general Barry McCaffrey , director of the White House Office of National Drug Control Policy .', Argument/Subject 1: 'mccaffrey', Argument/Subject 2: 'office of national drug control policy'
A:
be director of