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Emperor Wenzong of Tang ( 唐文宗 809 – 840 ) , personal name Li Ang ( 李昂 ) , né Li Han ( 李涵 ) , was an emperor of the Tang Dynasty of China .
 Emperor Wenzong, Tang, Li, Li Han, Tang
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Emperor Wenzong, Tang, Li, Li Han, Tang