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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 .
 person: Sam Kahn; location: South African Communist
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Sam Kahn, South African Communist 
Answer:
 person: Sam Kahn; location: South African Communist