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Hans Gabriel Booys ( born 4 December 1951 in Rehoboth , Hardap Region ) is a Namibia n politician .
 Hans, Booys, Hardap Region, Namibia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hans, Booys, Hardap Region, Namibia