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Arthur Julius Porth was a Wichita , Kansas building contractor and tax protestor who ran afoul of the federal government in the mid-20th century .
 Arthur, Porth, Wichita , Kansas
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Arthur, Porth, Wichita , Kansas