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: 'ECONOMIC DEVELOPMENT HOUSING AUTHORITY BOARD - APPOINT STEVE GANDER AS COUNCIL REPRESENTATIVE TO FILL THE VACANCY CREATED BY THE RESIGNATION OF RON GALSTAD.', Argument/Subject 1: 'vacancy', Argument/Subject 2: 'board'
[A]: be fill by


[Q]: Sentence: 'Roosevelt is a city in Duchesne County , Utah , United States .', Argument/Subject 1: 'roosevelt', Argument/Subject 2: 'duchesne county'
[A]: be city in


[Q]: Sentence: 'December 17 , 1999 -- Today , the WSR-88D Hotline began sending a fax broadcast to all WSR-88D RPG sites Operations Focal Points informing them of New PPS Z-R Relationships Authorized for use .', Argument/Subject 1: 'operation', Argument/Subject 2: 'december'
[A]:
begin in