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Sir Walter Scott used the location for his 1819 novel " Ivanhoe " and by the end of the 19th century the ruins had become a tourist attraction , despite the increasing industrial character of the area .
 person: Walter Scott
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Walter Scott