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The most important state-owned companies headquartered in  Montevideo  are : AFE ( railways ) ANCAP ( Energy ) Administracion Nacional de Puertos ( Ports )  ANTEL  ANCEL and ANTELDATA ( telecommunications ) BHU ( savings and loan ) BROU ( bank ) BSE ( insurance ) OSE ( water sewage ) UTE ( electricity ) .
 city of headquarters: Montevideo, ANTEL
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:
 city of headquarters: Montevideo, ANTEL