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Donald Nesbit “ Red Dog ” Ettinger ( November 20 , 1921 February 13 , 1992 ) was an American football player .
 person: Ettinger
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: Ettinger 
Answer:
 person: Ettinger