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On September 20 2010 it was announced that McAdam would take up the role of president and chief operating officer of  Verizon Communications  Inc. the parent company of  Verizon Wireless  on October 1 setting the veteran executive up as the successor to Chief Executive Ivan Seidenberg .
 subsidiaries: Verizon Communications, Verizon Wireless
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:
 subsidiaries: Verizon Communications, Verizon Wireless