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By April 1863 , for example , the cost of flour in Richmond had risen to $ 100 a barrel and housewives were rioting .
 location: Richmond
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: Richmond 
Answer:
 location: Richmond