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

Relationship: 'be research arm of', Argument/Subject 1: 'guttmacher institute', Argument/Subject 2: 'plan parenthood'
National numbers from the Alan Guttmacher Institute , a research arm of Planned Parenthood , and the Center for Disease Control reveal that the overwhelming majority of abortion clinics are located in metropolitan areas .

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

Relationship: 'take', Argument/Subject 1: 'hama', Argument/Subject 2: 'gaza'
Even before Hamas took control of Gaza from the rival Fatah organization , the PA used the grounds of the destroyed Jewish communities as terrorist training bases .