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The creation of the Mark 14 Mod 0 Enhanced Battle Rifle ( EBR ) began in  2000  after a request by  United States Navy SEALs  for the creation of a more compact M14 battle rifle .
 None
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 NA: 2000, United States Navy SEALs