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

[EX Q]: Relationship: 'be headquarter in', Argument/Subject 1: 'oclc', Argument/Subject 2: 'dublin'
[EX A]: Headquartered in Dublin , Ohio , OCLC Online Computer Library Center is a nonprofit organization that has provided computer-based cataloging , reference , resource sharing , eContent and preservation services to 54,000 libraries in 109 countries and territories .

[EX Q]: Relationship: 'die in', Argument/Subject 1: 'haley', Argument/Subject 2: 'seattle'
[EX A]: Alex Haley died of a heart attack 10 years ago in Seattle .

[EX Q]: Relationship: 'appoint', Argument/Subject 1: 'mayor', Argument/Subject 2: 'chair'
[EX A]:
A. Unless the Chair is appointed by the Mayor , the Chair shall be elected by the Commission .