180900
Many historic records show that Li father and sons - Li Sixun ( father ) and Li Zhaodao ( son , Chinese : 李昭道 ; Pinyin : Lǐ Zhāo-Dào , son of Li Sixun ) , largely developed the painting techniques and formulated the style .
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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:  
Answer:
 None