You will be given a definition of a task first, then some input of the task.
From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.

Given Relationship: 'pay to', Sentence: 'It is hereby agreed that Tenant shall pay to Landlord as Additional Rent , commencing January 1 , 2001 , Tenant 's Pro Rata Share of the amount by which Operating Expenses for the calendar year 2000 exceed the Operating Expenses for the calendar year 1999 , payable monthly , on the same date and at the same place Base Rent is payable .'
Output:
pay