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With a mission to make BBC Two 's output diverse and different from that offered by other networks , he began to establish a portfolio of programmes that defined the channel 's identity for decades to come .
 organization: BBC Two
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: BBC Two 
Answer:
 organization: BBC Two