Input: Relationship: 'be executive of', Argument/Subject 1: 'president', Argument/Subject 2: 'unite state'

Answer: It is the sense of the Senate that the President of the United States expeditiously issue an Executive Order requiring all Executive Branch departments and agencies to declassify any publicly release without compromising U.S. national security all documents , files , and other materials pertaining to POWs and MIAs .