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 Q]: Sentence: 'The African Union is a successor to the Organization of African Unity .', Argument/Subject 1: 'african union', Argument/Subject 2: 'organization of african unity'
[EX A]: be successor to

[EX Q]: Sentence: 'Manmohan Singh is sworn in Prime Minister heading a 68-member Ministry , the first-ever Congress-led coalition , United Progressive Alliance .', Argument/Subject 1: 'ministry', Argument/Subject 2: 'minister'
[EX A]: be head by

[EX Q]: Sentence: 'MDA stands for Muscular Dystrophy Association , which was established in November 1999 .', Argument/Subject 1: 'mda', Argument/Subject 2: 'muscular dystrophy association'
[EX A]:
stand for