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i am looking for a restaurant on perkins avenue that has a smoking area and knowledgable staff
 perkins avenue, smoking area and knowledgable staff
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Rating, Location, Amenity, Cuisine, Hours, Price, Dish, Restaurant Name 
Text: {0} 
Answer:
 perkins avenue, smoking area and knowledgable staff