[
  {
    "id": 1,
    "name": "movie1",
    "tags": ["a", "b", "c", "d"],
    "actors": ["john", "alex"],
    "category": "drama"
  },
  {
    "id": 2,
    "name": "movie2",
    "tags": ["a", "e", "f"],
    "actors": ["john", "brad"],
    "category": "comedy"
  },
  {
    "id": 3,
    "name": "movie3",
    "tags": ["a", "c"],
    "actors": ["jeff"],
    "category": "comedy"
  },
  {
    "id": 4,
    "name": "movie4",
    "tags": ["c", "a", "z"],
    "actors": ["jean"],
    "category": "drama"
  }
]