446
Piracy was so prevalent at YouTube in its early years that  Google  branded the video-sharing site as a ` rogue enabler ' of content theft before it bought the service in  2006  according to internal documents unearthed in the lawsuit .
 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: Google, 2006