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In May 1991 , the band embarked on the two-and-a-half-year-long Guns N ' Roses released the long-awaited albums " Use Your Illusion I " and " Use Your Illusion II " , which debuted at No. 2 and No. 1 , respectively , on the U.S. chart , a feat not achieved by any other group .
 Guns N ' Roses, U.S.
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Guns N ' Roses, U.S.