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: 'The largest member of OPEC , Saudi Arabia , controls one-fifth of the world 's crude reserves and constitutes more than 10 percent of world daily production of crude oil , making it one of the most critical suppliers influencing this market .', Argument/Subject 1: 'saudus arabium', Argument/Subject 2: 'opec'

Answer: be member of


Question: Sentence: 'Wal-Mart is Mexico 's largest private-sector employer in the nation today , with nearly 150,000 local residents on its payroll .', Argument/Subject 1: 'wal-mart', Argument/Subject 2: 'mexico'

Answer: be employer in


Question: Sentence: 'Senator Barack Hussein Obama has been elected as the 44th President of the United States of America today .', Argument/Subject 1: 'president', Argument/Subject 2: 'obama'

Answer:
elect