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what unrated comedy from the 1970 s with very good ratings was directed by edward may
 unrated, comedy, 1970 s, very good, edward may
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:
 unrated, comedy, 1970 s, very good, edward may