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 Geographical Facts about Maseru reveals that the capital city of Lesotho , Maseru lies on the bank of the Mohokare River and bordering the continent of South Africa .', Argument/Subject 1: 'maseru', Argument/Subject 2: 'lesotho'

Ex Output:
be capital of

Ex Input:
Sentence: 'XHTML is a modified version of HTML that is fully XML compatible , so that it can be processed by XML parsers .', Argument/Subject 1: 'xhtml', Argument/Subject 2: 'html'

Ex Output:
be version of

Ex Input:
Sentence: 'Basilicata is a region in the south of Italy , bordering on Campania to the west , Puglia to the east , Calabria to the south , it has one short coastline on the Tyrrhenian Sea and another of the Gulf of Taranto in the Ionian Sea to the south-east .', Argument/Subject 1: 'calabrium', Argument/Subject 2: 'italy'

Ex Output:
be region of