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: 'City Councilor Michael Ross said he endorsed Wilkerson "because of the leadership role she played in Boston 's black community . "', Argument/Subject 1: 'wilkerson', Argument/Subject 2: 'ross'
A: 
say of