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: 'What it means is that both what Bush said for the benefit of Abbas , and what what he wrote in his carefully crafted letter to Sharon in 2004 are meaningless .', Argument/Subject 1: 'bush', Argument/Subject 2: 'abba'
answer:
say of

question:
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'
answer:
be head of

question:
Sentence: 'Lolicon is a widespread phenomenon in Japan , where it is a frequent subject of scholarly articles .', Argument/Subject 1: 'lolicon', Argument/Subject 2: 'japan'
answer:
be phenomenon in