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: 'The current President , Dr. Peter Fong , is the Head of the Centre for Executive Development of HKU SPACE and former Executive Vice President and Professor of Asia International Open University .', Argument/Subject 1: 'president', Argument/Subject 2: 'executive'
Example Output: be head of

Example Input: Sentence: 'The astronomer William Herschel discovered Uranus on the 13th of March 1781 .', Argument/Subject 1: 'william herschel', Argument/Subject 2: 'uranus'
Example Output: discover

Example Input: Sentence: 'Tenant shall pay to Landlord on demand , as additional rent any costs incurred by Landlord to review a proposed assignment or subletting including reasonable attorneys ' fees incurred by Landlord , and in addition , shall pay to Landlord with each request for its consent , a processing fee of $ 1,000 .', Argument/Subject 1: 'tenant', Argument/Subject 2: 'landlord'
Example Output:
pay