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Salem United Church of Christ , formerly known as Old Salem Reformed Church , is a historic Reformed church at 231 Chestnut Street in Harrisburg , Dauphin County , Pennsylvania .
 location: Harrisburg; location: Dauphin County , Pennsylvania
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: Harrisburg, Dauphin County , Pennsylvania 
Answer:
 location: Harrisburg; location: Dauphin County , Pennsylvania