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 Input:
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 Output:
be successor to

Ex Input:
Sentence: 'The Montage Resort & Spa is located in Laguna Beach .', Argument/Subject 1: 'spa', Argument/Subject 2: 'laguna beach'

Ex Output:
locate in

Ex Input:
Sentence: 'Prime Minister Mahinda Rajapakse was appointed Minister of Highways in addition to his Prime Ministerial duties .', Argument/Subject 1: 'minister', Argument/Subject 2: 'prime minister'

Ex Output:
be appoint by