Detailed Instructions: 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.
Problem:Sentence: 'Iceland , a country nominally in Northern Europe , is a large mountainous island in the north Atlantic Ocean , on the fault between Europe and North America .', Argument/Subject 1: 'iceland', Argument/Subject 2: 'europe'
Solution:
be island in