[
  [
    "Drawing Style",
    [
      "Cel Shading",
      "Children's Drawing",
      "Crosshatch",
      "Detailed and Intricate",
      "Doodle",
      "Dot Art",
      "Line Art",
      "Sketch"
    ]
  ],
  [
    "Visual Style",
    [
      "2D",
      "8-bit",
      "16-bit",
      "Anaglyph",
      "Cartoon",
      "CGI",
      "Comic Book",
      "Concept Art",
      "Digital Art",
      "Fantasy",
      "Graphic Novel",
      "Hard Edge Painting",
      "Hydrodipped",
      "Lithography",
      "Modern Art",
      "Mosaic",
      "Mural",
      "Photo",
      "Realistic",
      "Street Art",
      "Visual Novel"
    ]
  ],
  [
    "Pen",
    [
      "Chalk",
      "Colored Pencil",
      "Graphite",
      "Ink",
      "Oil Paint",
      "Pastel Art"
    ]
  ],
  [
    "Carving and Etching",
    [
      "Etching",
      "Linocut",
      "Paper Model",
      "Paper-Mache",
      "Papercutting",
      "Pyrography",
      "Wood-Carving"
    ]
  ],
  [
    "Camera",
    [
      "Color Grading",
      "Film Grain",
      "Glamor Shot",
      "Golden Hour",
      "Lens Flare",
      "HD",
      "Polaroid",
      "Vintage",
      "War Photography",
      "White Balance"
    ]
  ],
  [
    "Color",
    [
      "Beautiful Lighting",
      "Colorful",
      "Electric Colors",
      "Infrared",
      "Warm Color Palette"
    ]
  ],
  [
    "Emotions",
    [
      "Angry",
      "Evil",
      "Excited",
      "Good",
      "Happy",
      "Lonely",
      "Sad"
    ]
  ],
  [
    "Style of an artist or community",
    [
      "Artstation",
      "by Andy Warhol",
      "by Asaf Hanuka",
      "by Aubrey Beardsley",
      "by H.R. Giger",
      "by Hayao Mizaki",
      "by Lisa Frank",
      "by Pablo Piccaso",
      "by Salvador Dali",
      "by Tivadar Csontváry Kosztka"
    ]
  ]
]