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Sam Kahn ( 15 December 1911 – 25 August 1987 ) was a South African Communist and MP from 1949 to 1952 , for one of the constituencies representing African voters .
 Sam Kahn, South African Communist
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sam Kahn, South African Communist