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Cui Guicong 's traceable ancestry included officials of Han Dynasty ( including Cui Yan ) , Liu Song , Northern Wei , Northern Qi , Sui Dynasty , and Tang Dynasty , although neither Cui Guicong 's grandfather Cui Cheng ( 崔誠 ) nor his father Cui Huang ( 崔黃 ) were listed with any offices .
 Cui Guicong, Cui Yan, Cui Guicong, Cui, Cui
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cui Guicong, Cui Yan, Cui Guicong, Cui, Cui