6782
In 2007 CTVglobemedia received Canadian Radio-television and Telecommunications Commission ( CRTC ) approval to acquire CHUM ; while CTV did not originally plan to keep  A-Channel  it decided to do so following  a  CRTC requirement to sell the Citytv system .
 None
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:
 NA: A-Channel, a