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Following the closure of BBC Choice Northern Ireland in 2001 , a ' digital version ' of BBC Two Northern Ireland launched which was separate to that available on analogue ; it carried many of the NI-specific programme opt-outs as on the analogue service , but also carried some additional digital-only programmes , in the main carried over from BBC Choice NI .
 BBC, BBC, BBC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 BBC, BBC, BBC