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.
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Question: Sentence: 'If Americans make the mistake of electing Barack Obama as President of the United States , as he loves to say , a change is definitely going to come .', Argument/Subject 1: 'barack obama', Argument/Subject 2: 'president'

Answer: be elect

Question: 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'

Answer: be island in

Question: Sentence: 'The FRG at that time was scared that the NATO member Greece would officially recognize the second German state , the GDR , because of a potential reparations agreement .', Argument/Subject 1: 'greece', Argument/Subject 2: 'nato'

Answer:
be member of