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: 'I am writing this on the day before Barak Obama is inaugurated as President of the United States of America .', Argument/Subject 1: 'obama', Argument/Subject 2: 'unite state of america'

Ex Output:
be president of


Ex Input:
Sentence: 'Vacancies Any vacancy on the Board of Directors may be filled by the Board of Directors for the remainder of the vacated term .', Argument/Subject 1: 'vacancy', Argument/Subject 2: 'board'

Ex Output:
be fill by


Ex Input:
Sentence: 'I was born and raised in Slovakia when it was still a part of Czechoslovakia .', Argument/Subject 1: 'slovakium', Argument/Subject 2: 'czechoslovakium'

Ex Output:

be part of