Definition: 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.
Input: Sentence: 'He was the past President of the Boston Fire Company , former officer of the Boston Athletic Association , a day Co-Chairman of the 1967 Boston SesquiCentennial celebration , past Chairman of the Boston United Fund Drive , past President of St . John the Baptist Holy Name Society , Saint Vincent DePaul Society and Hamburg council 2220 , Knights of Columbus .', Argument/Subject 1: 'president', Argument/Subject 2: 'association'
Output:
be officer of