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It became the main branch of the Taklung in Kham and , according to Go Lotsawa , the author of the Blue Annals , it once had as many as 2,000 monks , and held the greatest reputation among Khampa monasteries .
 person: Go Lotsawa
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: Go Lotsawa 
Answer:
 person: Go Lotsawa