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.

Example Input: Sentence: 'Arabic is the official or co-official language of Algeria , Bahrain , Chad , Djibouti , Egypt , Iraq , Jordan , Kuwait , Lebanon , Libya , Morocco , Oman , Palestinian West Bank and Gaza , Qatar , Somalia , Sudan , Syria , Tunisia , Mauritania , United Arab Emirates , and Yemen .', Argument/Subject 1: 'arabic', Argument/Subject 2: 'unite arab emirate'
Example Output: be language of

Example Input: Sentence: 'Venice is a city built on water - just off the north east coast of Italy , facing the Adriatic Sea - and is famed for its canal network , opulent palazzos and beautiful religious buildings and art .', Argument/Subject 1: 'venice', Argument/Subject 2: 'italy'
Example Output: be city in

Example Input: Sentence: 'Accusations of gay sex with a Denver hustler leveled against Rev. Ted Haggard , president of the National Association of Evangelicals and White House confidante , suggest that Republicans are making a last-ditch effort to broaden their base on the eve of a tough midterm election .', Argument/Subject 1: 'haggard', Argument/Subject 2: 'national association of evangelical'
Example Output:
be president of