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are there any waterfront restaurants that serve sausage in post office square
 waterfront, sausage, post office square
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:
 waterfront, sausage, post office square