instruction:
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.
question:
Sentence: 'Current Broncos head coach Mike Shanahan coached the Raiders before being fired just four games into the 1989 season , which has only served to intensify this rivalry .', Argument/Subject 1: 'bronco', Argument/Subject 2: 'mike shanahan'
answer:
fire


question:
Sentence: 'The Secretary shall cause all members of the Committee to receive written or email notice of any meeting of the Committee at least four days before the date of the meeting .', Argument/Subject 1: 'secretary', Argument/Subject 2: 'committee'
answer:
be member of


question:
Sentence: 'He has served as a member of the Board of Directors and as President of the American Board of Otolaryngology , as Chair of the Board of the Association of Academic Health Centers , and as Chair of the Council of Deans of the AAMC.', Argument/Subject 1: 'president', Argument/Subject 2: 'board'
answer:

be chair of