10946
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 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:  Montevideo, ANTEL 
Answer:
 city of headquarters: Montevideo, ANTEL