dev.json

[
  [
    "Where is Berlin?",
    {
      "entities":[
        [
          9,
          15,
          "LOC"
        ]
      ]
    }
  ],
  [
    "I like Shaka Khan.",
    {
      "entities":[
        [
          7,
          17,
          "PERSON"
        ]
      ]
    }
  ]
]