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Respected literary figures Robert Burns and Walter Scott in Scotland collected and wrote their own ballads .
 person: Robert Burns; person: Walter Scott; location: Scotland
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: Robert Burns, Walter Scott, Scotland 
Answer:
 person: Robert Burns; person: Walter Scott; location: Scotland