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: 'Cyprus is the third largest island in the Mediterranean , a stepping-stone between Europe and Asia .', Argument/Subject 1: 'cyprus', Argument/Subject 2: 'mediterranean'

Ex Output:
be island of


Ex Input:
Sentence: 'Tuesday we cruise to the Turkish port of Ephesus , the greatest city in Asia Minor during the Roman Empire .', Argument/Subject 1: 'ephesus', Argument/Subject 2: 'asia minor'

Ex Output:
be city of


Ex Input:
Sentence: 'The Board advises Council on matters pertaining to accessibility issues , including the special needs transit system , etc . Meetings are held every second month .', Argument/Subject 1: 'council', Argument/Subject 2: 'board'

Ex Output:

advise