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Wang was arrested in the east China city of Hangzhou by security officers who told the dissident 's family he would be sent to a study class -- a euphemism for coercive ideological reform .
 person: Wang; location: Hangzhou; location: China
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 person: Wang; location: Hangzhou; location: China