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Gu An ( ; ( ca. 1289 – after 1365 ) , style name as Dingzhi ( 定之 ) , pseudonym as Yuna Jushi ( 迂那居士 ) , was a famed Chinese painter in the Yuan Dynasty .
 person: Gu
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: Gu 
Answer:
 person: Gu