7391
URGENT Telefonica in agreement to buy  Vivo  from  Portugal Telecom  .
 subsidiaries: Vivo, Portugal Telecom
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:  Vivo, Portugal Telecom 
Answer:
 subsidiaries: Vivo, Portugal Telecom