You will be given a definition of a task first, then some input of the task.
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.

Sentence: 'YFC Asia Pacific is organising our 4th Annual Medical Mission Team to work beside our YFC Samoa staff to run several medical clinics in the more remote villages of Upolu , the main island of Samoa .', Argument/Subject 1: 'upolu', Argument/Subject 2: 'samoa'
Output:
be island in