[
  {
    "id": "1",
    "parent": "#",
    "text": "Cars"
  },
  {
    "id": "2",
    "parent": "#",
    "text": "Bikes"
  },
  {
    "id": "1-1",
    "parent": "1",
    "text": "Alto"
  },
  {
    "id": "1-2",
    "parent": "1",
    "text": "WagonR"
  },
  {
    "id": "1-3",
    "parent": "1",
    "text": "Scorpio"
  },
  {
    "id": "1-4",
    "parent": "1",
    "text": "Duster"
  },
  {
    "id": "2-5",
    "parent": "2",
    "text": "Discover"
  },
  {
    "id": "2-6",
    "parent": "2",
    "text": "Avenger"
  },
  {
    "id": "2-7",
    "parent": "2",
    "text": "Unicorn"
  },
  {
    "id": "2-8",
    "parent": "2",
    "text": "Karizma"
  }
]