1153
These dragons appear frequently in western fantasy literature , including " The Hobbit " by J. R. R. Tolkien , the " Harry Potter " series by J. K. Rowling , and " A Song of Ice and Fire " by George R. R. Martin .
 person: J. R. R. Tolkien; person: J. K. Rowling; person: George R. R. Martin
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: J. R. R. Tolkien; person: J. K. Rowling; person: George R. R. Martin