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Walter Freeman Gates ( died February 5 , 1828 ) was a merchant and political figure in Upper Canada .
 person: Walter; person: Gates
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: Walter, Gates 
Answer:
 person: Walter; person: Gates