967
Swisscom  acquired  Fastweb  in 2007 and it had said that it was aware that Italian investigators were looking into allegations of tax evasion during 2003 and 2006 .
 Swisscom, Fastweb
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Swisscom, Fastweb