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i am on a budget do you know if there are any places around that have buy one get one free
 Price: budget; Amenity: buy one get one free
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Rating, Location, Amenity, Cuisine, Hours, Price, Dish, Restaurant Name 
Text: {0} 
 Entities: budget, buy one get one free 
Answer:
 Price: budget; Amenity: buy one get one free