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

[Q]: Relationship: 'be country of', Argument/Subject 1: 'nicaragua', Argument/Subject 2: 'central america'
[A]: Nicaragua is the largest country in Central America , still has large areas of forest and plentiful wildlife , indeed , Nicaragua devotes over 18 percent of its land area to Parks and Reserves .

[Q]: Relationship: 'appoint', Argument/Subject 1: 'president', Argument/Subject 2: 'chair'
[A]: A federal agency whose Chair and Vice Chair are appointed by the President .

[Q]: Relationship: 'be officer of', Argument/Subject 1: 'director', Argument/Subject 2: 'center'
[A]:
Formerly the Director of the U.S. Navy 's Information System Security Office at the Naval Security Warfare Center , he is now Chief Information Warfare Officer for the Ballistic Missile Defense Organization at the DOD .