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

[EX Q]: Relationship: 'be capital of', Argument/Subject 1: 'ottawa', Argument/Subject 2: 'canada'
[EX A]: He is represented in numerous collections including : Canada Council Art Bank , Alberta Foundation for the Arts , Brandon University , Canadian Broadcasting Corporation , Montreal Museum of Fine Arts , Calgary Allied Art Foundation , Nickle Arts Museum , Glenbow Museum , MacKenzie Art Gallery , and the Canadiana Collection , National Capital Commission , Ottawa .

[EX Q]: Relationship: 'be head of', Argument/Subject 1: 'president', Argument/Subject 2: 'executive'
[EX A]: 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 .

[EX Q]: Relationship: 'be island in', Argument/Subject 1: 'montserrat', Argument/Subject 2: 'caribbean'
[EX A]:
Residents of the Caribbean island of Montserrat call one of their edible frog species mountain chicken , but this amphibian is now endangered .