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Provincial branches As the association grew , so provincial and local branches were formed , in the Western Cape ( 1975 ) , Transvaal ( 1982 ) , Eastern Cape ( 1982 ) , Kwa-Zulu Natal ( 1984 ) and SAMA Central , serving the Free State and Northern Cape ( 1991 ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None