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Patricia " Pat " Nelson née Black is a former provincial level politician from Alberta , Canada .
 person: Pat; person: Nelson; location: Alberta; location: Canada
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: Pat, Nelson, Alberta, Canada 
Answer:
 person: Pat; person: Nelson; location: Alberta; location: Canada