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Viacom  the owner of Paramount Pictures and cable TV channels that include  Comedy Central  sued YouTube in 2007 seeking more than $ 1 billion in damages .
 subsidiaries: Viacom, Comedy Central
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: Viacom, Comedy Central