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iKwekwezi FM ( previously Radio Ndebele ) is a South Africa n national radio station based in Pretoria in the Gauteng .
 South Africa, Pretoria, Gauteng
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 South Africa, Pretoria, Gauteng