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The 3rd South African Infantry Brigade was an infantry brigade of the army of the Union of South Africa during World War II .
 3rd, Infantry Brigade, brigade, Union of South Africa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 3rd, Infantry Brigade, brigade, Union of South Africa