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.

Ex Input:
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'

Ex Output:
be employer in

Ex Input:
Sentence: 'Mexico is the last stop on President Bush 's five country visit to Latin America .', Argument/Subject 1: 'mexico', Argument/Subject 2: 'latin america'

Ex Output:
be country in

Ex Input:
Sentence: '" Everything in medicine , with the possible exception of trauma , is genetic , " says Francis Collins , M.D. , Ph. D. , director of the National Human Genome Research Institute .', Argument/Subject 1: 'franci collin', Argument/Subject 2: 'national human genome research institute'

Ex Output:
be director of