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Xinghua Township ( ) is a township of Dangchang County in southeastern Gansu province , China , located northeast of the county seat .
 location: Dangchang County; location: Gansu
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: Dangchang County, Gansu 
Answer:
 location: Dangchang County; location: Gansu