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( 1894 – 1966 ) , best known as J.B. Matthews , was an American linguist , and an educator , writer , and political activist .
 person: Matthews
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: Matthews 
Answer:
 person: Matthews