Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.

Input: Consider Input: Relationship: 'be head of', Argument/Subject 1: 'president', Argument/Subject 2: 'executive'

Output: The service has been dubbed Derivatives Collateral Net and automatically aggregates and nets the overall collateral obligations of its participants , explains Art Certosimo , executive vice president and head of Broker-Dealer Services at the bank .


Input: Consider Input: Relationship: 'be test', Argument/Subject 1: 'god', Argument/Subject 2: 'abraham'

Output: God was testing the faithfulness of Abraham by asking him to surrender the best he had , his son , his only son .


Input: Consider Input: Relationship: 'be state in', Argument/Subject 1: 'kansa', Argument/Subject 2: 'unite state'


Output: Kansas is one of the most centrally located states in the United States of America .