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In 1943 when the NBC  Blue Network  was sold to Edward Noble to eventually become  ABC  the Blue Network switched its affiliation to WJW radio leaving WHK with the Mutual affiliation .
 alternate names: Blue Network, ABC
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:
 alternate names: Blue Network, ABC