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: 'Gradually the official language of Ukrainian provinces under Poland was changed to Polish , while the upper classes in the Russian part of Ukraine used Russian widely .', Argument/Subject 1: 'polish', Argument/Subject 2: 'poland'
[A]: be language of


[Q]: Sentence: 'The Executive Committee shall consist of the Undergraduate President and Vice President , and the Executive Graduate Secretary , and the Graduate Treasurer , all ex-officio , four undergraduate members elected at-large , and the Chairman of the Executive or Action Committee of the Board of Governors for the New England district , or his designated representative or alternate .', Argument/Subject 1: 'executive', Argument/Subject 2: 'president'
[A]: consist of


[Q]: Sentence: 'The meeting was called to order by President Alice Taylor at 3:30 p.m. Board members in attendance were Alice Taylor , Gene Bartee , Frank Samuelson , Deirdre Willemsen , Mike Willemsen , and Pat Tarpley .', Argument/Subject 1: 'president', Argument/Subject 2: 'board'
[A]:
be member of