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: 'The Second Continental Congress meets in Philadelphia .', Argument/Subject 1: 'congress', Argument/Subject 2: 'philadelphium'

Output: meet in


Input: Consider Input: Sentence: 'He is also a class agent , a regional campaign co-chair and former Presidents ' Club officer .', Argument/Subject 1: 'president', Argument/Subject 2: 'club'


Output: be officer of