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: 'The current President , Dr. Peter Fong , is the Head of the Centre for Executive Development of HKU SPACE and former Executive Vice President and Professor of Asia International Open University .', Argument/Subject 1: 'president', Argument/Subject 2: 'executive'
[A]: be head of


[Q]: Sentence: 'FNBO Direct is a member of FDIC , so deposits at the bank are insured .', Argument/Subject 1: 'fnbo direct', Argument/Subject 2: 'fdic'
[A]: be member of


[Q]: Sentence: 'The chairman of the Republican National Committee , Ken Mehlman , may have thought he would get a laugh when he used this line Friday in a speech to the Southern Republican Leadership Conference : " Not only can the Democrats not settle on an agenda , they ca n't even agree on a slogan . "', Argument/Subject 1: 'ken mehlman', Argument/Subject 2: 'republican national committee'
[A]:
be chairman of