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.

Example Input: Sentence: 'William Jefferson Clinton was the 42nd president of the United States .', Argument/Subject 1: 'william jefferson clinton', Argument/Subject 2: 'unite state'
Example Output: be president of

Example Input: Sentence: 'ALBANY , NY The capital of New York has strict duel-control ordinances , but local duellists can always visit the Albany Motordrome for a sanctioned combat !', Argument/Subject 1: 'albany', Argument/Subject 2: 'new york'
Example Output: be capital of

Example Input: Sentence: 'There is a commitment to recognize Kosovo as an integral part of Yugoslavia , and there will be no referendum in three years .', Argument/Subject 1: 'kosovo', Argument/Subject 2: 'yugoslavium'
Example Output:
be part of