{
  "0": "O",
  "1": "B-DESTINATION",
  "2": "I-DESTINATION",
  "3": "B-CATEGORY",
  "4": "I-CATEGORY",
  "5": "B-LOCATION",
  "6": "I-LOCATION",
  "7": "B-TIME",
  "8": "I-TIME",
  "9": "B-PRICE",
  "10": "I-PRICE"
}