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: 'RUSSIA - Aviagen , the world 's leading poultry breeding company , held the third annual Aviagen Moscow Conference at the Danilovskiy Hotel on the 27th and 28th June .', Argument/Subject 1: 'conference', Argument/Subject 2: 'june'

A: hold in
****
Q: 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'

A: be language of
****
Q: Sentence: 'That the marriage between the president of France , Nicolas Sarkozy , and his wife C?cilia is on the rocks .', Argument/Subject 1: 'nicola sarkozy', Argument/Subject 2: 'france'

A:
be president of
****