246
RedOctane  was bought by  Activision  in June who spent US$ 100 million to acquire the Guitar Hero franchise while it was announced in October that Harmonix would be purchased by MTV Networks .
 subsidiaries: RedOctane, Activision
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: RedOctane, Activision