Q: 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: 'In 1961 , after the death of Joint Board President Sam Burt , Foner was elected president of the union and served in that capacity until his retirement in 1988 .', Argument/Subject 1: 'board', Argument/Subject 2: 'president'
A:
elect