pref_file.json

{
  "1": {
    "id": 1,
    "desc": "Prefer to work on Monday and Tuesday only"
  },
  "2": {
    "id": 2,
    "desc": "Prefer to work in Downtown only"
  },
  "3": {
    "id": 3,
    "desc": "Prefer to work in Burnaby only"
  },
  "4": {
    "id": 4,
    "desc": "Prefer to work on Wednesday Only"
  },
  "5": {
    "id": 5,
    "desc": "Prefer to NOT work on Wednesday"
  },
  "6": {
    "id": 6,
    "desc": ""
  },
  "7": {
    "id": 7,
    "desc": ""
  },
  "8": {
    "id": 8,
    "desc": ""
  },
  "9": {
    "id": 9,
    "desc": ""
  }
}