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He , along with Sun Zhengcai , were the youngest members of the 18th politburo , raising speculation that they were being groomed to become China 's next leaders in 2022 .
 person: Sun Zhengcai; location: China
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: Sun Zhengcai; location: China