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.

Input: Consider Input: 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'

Output: be member of


Input: Consider Input: Sentence: 'In addition , the Third Tokyo International Conference on African Development will be held in Tokyo in September this year .', Argument/Subject 1: 'conference', Argument/Subject 2: 'tokyo'

Output: hold in


Input: Consider Input: Sentence: 'The President shall be elected by the Board to serve for one or more terms of three years or until a successor is duly elected and installed .', Argument/Subject 1: 'board', Argument/Subject 2: 'president'


Output: elect