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how many friday the 13th movies were made in the 1980s
 friday the 13th, 1980s
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:
 friday the 13th, 1980s