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The Central Security Service ( CSS ) is an agency of the  United States  Department of Defense established in 1972 by a Presidential Directive to promote full partnership between the  National Security Agency  ( NSA ) and the Service Cryptologic Elements ( SCE ) of the United States Armed Forces in the field of signals intelligence.Central Security Service insignia NSA/CSS website The blue background of the CSS emblem represents fidelity and steadfastness with the symbols for the cryptologic service elements provided shown clockwise from top right as follows : Army Intelligence and Security Command United States Marine Corps Naval Security Group United States Coast Guard and Air Force Intelligence Surveillance and Reconnaissance Agency with the symbol of the NSA/CSS in the center .
 subsidiaries: United States, National Security Agency
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  United States, National Security Agency 
Answer:
 subsidiaries: United States, National Security Agency