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: 'Those Directors who are Past Club Presidents and the Eye Research Chairman of the respective Districts shall be elected by the Board of Directors upon the recommendation of their District Governors Elect after the Annual Meeting of this corporation , and shall serve for a term of one year .', Argument/Subject 1: 'chairman', Argument/Subject 2: 'board'
A:
be elect by