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Melrick John Africa ( born 18 January 1978 in Rehoboth ) is a Namibia n rugby union centre and wing .
 person: Melrick; location: Rehoboth; location: Namibia
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: Melrick, Rehoboth, Namibia 
Answer:
 person: Melrick; location: Rehoboth; location: Namibia