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: 'In addition to Japan 's three major cities of Tokyo , Osaka and Nagoya , 15 other regional cities are served by rail-based transit systems such as monorails , subways and AGTs .', Argument/Subject 1: 'osaka', Argument/Subject 2: 'japan'
[A]: be city in


[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: 'Abraham Lincoln , the 16th President of the United States , led the USA through the Civil War only to be assassinated less than a week after the war ended .', Argument/Subject 1: 'abraham lincoln', Argument/Subject 2: 'unite state'
[A]:
be president of