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: 'It happened to be the book Elvis Presley was reading when he died in Memphis , Tennessee .', Argument/Subject 1: 'elvi', Argument/Subject 2: 'memphi'

A: die in
****
Q: Sentence: 'Note that Google already acquired Zingku and Jaiku , two mobility oriented web sites recently .', Argument/Subject 1: 'google', Argument/Subject 2: 'zingku'

A:
acquire
****