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At that time , both Ji Xu and his father Lu Yuanfang were deputy ministers of civil service affairs in charge of selecting officials .
 person: Ji Xu; person: Lu Yuanfang
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Ji Xu; person: Lu Yuanfang