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what is a average biography with an r rating that has came out in the past ten years
 average, biography, r, past ten years
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: genre, year, plot, average ratings, actor, title, song, character, rating, review, director, trailer 
Text: {0} 
Answer:
 average, biography, r, past ten years