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In Aiken , South Carolina , the Iselins maintained a winter residence named " Hopelands " and organized the Aiken Hospital and Relief Society , which built and equipped Aiken 's first hospital in 1917 .
 Aiken , South Carolina, Aiken, Aiken
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Aiken , South Carolina, Aiken, Aiken