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.

[Q]: Sentence: 'London is both the capital of England and the United Kingdom and it serves as the headquarters for the Royal Family .', Argument/Subject 1: 'london', Argument/Subject 2: 'england'
[A]: be capital of

[Q]: Sentence: 'Paper presented at the annual meeting of the American Psychological Association , 1988 .', Argument/Subject 1: 'paper', Argument/Subject 2: 'american psychological association'
[A]: present at

[Q]: Sentence: 'The island of Krk is the largest island of the Adriatic and the most visited of the Kvarner isles , mainly because it is accessible from the mainland via a bridge .', Argument/Subject 1: 'krk', Argument/Subject 2: 'adriatic'
[A]:
be island in