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: 'Michael Steele , chairman of the Republican National Committee , said Tuesday in a statement .', Argument/Subject 1: 'michael steele', Argument/Subject 2: 'republican national committee'

A: be chairman of
****
Q: Sentence: 'Diego Garcia , a low-lying island in the Chagos Group Archipelago located in the Indian Ocean , is a critical strategic location for the United States Military ship and aircraft ...', Argument/Subject 1: 'diego garcium', Argument/Subject 2: 'indian ocean'

A: be island in
****
Q: Sentence: 'Yokohama is actually the 2nd biggest city in Japan , not Osaka , which usually overshadows Yokohama as Japan 's 'other ' big city .', Argument/Subject 1: 'yokohama', Argument/Subject 2: 'japan'

A:
be city in
****