{
  "airplane": {
    "class_id": "001",
    "total_elements": 10,
    "elements": [
      {
        "id": "001-1",
        "name": "fuselage",
        "optional": false
      },
      {
        "id": "001-2",
        "name": "wings",
        "optional": false
      },
      {
        "id": "001-3",
        "name": "tail",
        "optional": false
      },
      {
        "id": "001-4",
        "name": "vertical_stabilizer",
        "optional": false
      },
      {
        "id": "001-5",
        "name": "horizontal_stabilizers",
        "optional": false
      },
      {
        "id": "001-6",
        "name": "engines",
        "optional": false
      },
      {
        "id": "001-7",
        "name": "cockpit",
        "optional": false
      },
      {
        "id": "001-8",
        "name": "landing_gear",
        "optional": false
      },
      {
        "id": "001-9",
        "name": "windows",
        "optional": true
      },
      {
        "id": "001-10",
        "name": "nose",
        "optional": false
      }
    ]
  },
  "alarm_clock": {
    "class_id": "002",
    "total_elements": 8,
    "elements": [
      {
        "id": "002-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "002-2",
        "name": "clock_face",
        "optional": false
      },
      {
        "id": "002-3",
        "name": "clock_hands",
        "optional": false
      },
      {
        "id": "002-4",
        "name": "second_hand",
        "optional": true
      },
      {
        "id": "002-5",
        "name": "numbers",
        "optional": false
      },
      {
        "id": "002-6",
        "name": "alarm_bell",
        "optional": true
      },
      {
        "id": "002-7",
        "name": "alarm_switch",
        "optional": true
      },
      {
        "id": "002-8",
        "name": "legs",
        "optional": true
      }
    ]
  },
  "alpaca": {
    "class_id": "003",
    "total_elements": 13,
    "elements": [
      {
        "id": "003-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "003-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "003-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "003-4",
        "name": "muzzle",
        "optional": false
      },
      {
        "id": "003-5",
        "name": "neck",
        "optional": false
      },
      {
        "id": "003-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "003-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "003-8",
        "name": "tail",
        "optional": false
      },
      {
        "id": "003-9",
        "name": "fleece",
        "optional": false
      },
      {
        "id": "003-10",
        "name": "nostrils",
        "optional": false
      },
      {
        "id": "003-11",
        "name": "feet",
        "optional": false
      },
      {
        "id": "003-12",
        "name": "smile",
        "optional": true
      },
      {
        "id": "003-13",
        "name": "hooves",
        "optional": true
      }
    ]
  },
  "ambulance": {
    "class_id": "004",
    "total_elements": 8,
    "elements": [
      {
        "id": "004-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "004-2",
        "name": "wheels",
        "optional": false
      },
      {
        "id": "004-3",
        "name": "front_cab",
        "optional": false
      },
      {
        "id": "004-4",
        "name": "light_bar",
        "optional": false
      },
      {
        "id": "004-5",
        "name": "cross_symbol",
        "optional": false
      },
      {
        "id": "004-6",
        "name": "windows",
        "optional": false
      },
      {
        "id": "004-7",
        "name": "rear_doors",
        "optional": false
      },
      {
        "id": "004-8",
        "name": "siren",
        "optional": false
      }
    ]
  },
  "angel": {
    "class_id": "005",
    "total_elements": 12,
    "elements": [
      {
        "id": "005-1",
        "name": "halo",
        "optional": false
      },
      {
        "id": "005-2",
        "name": "wings",
        "optional": false
      },
      {
        "id": "005-3",
        "name": "head",
        "optional": false
      },
      {
        "id": "005-4",
        "name": "body",
        "optional": false
      },
      {
        "id": "005-5",
        "name": "arms",
        "optional": false
      },
      {
        "id": "005-6",
        "name": "legs",
        "optional": true
      },
      {
        "id": "005-7",
        "name": "robe",
        "optional": false
      },
      {
        "id": "005-8",
        "name": "hair",
        "optional": true
      },
      {
        "id": "005-9",
        "name": "face",
        "optional": true
      },
      {
        "id": "005-10",
        "name": "trumpet",
        "optional": true
      },
      {
        "id": "005-11",
        "name": "bow",
        "optional": true
      },
      {
        "id": "005-12",
        "name": "rod",
        "optional": true
      }
    ]
  },
  "ant": {
    "class_id": "006",
    "total_elements": 11,
    "elements": [
      {
        "id": "006-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "006-2",
        "name": "antennae",
        "optional": false
      },
      {
        "id": "006-3",
        "name": "compound_eyes",
        "optional": false
      },
      {
        "id": "006-4",
        "name": "mandibles",
        "optional": false
      },
      {
        "id": "006-5",
        "name": "thorax",
        "optional": false
      },
      {
        "id": "006-6",
        "name": "legs",
        "optional": false
      },
      {
        "id": "006-7",
        "name": "petiole",
        "optional": false
      },
      {
        "id": "006-8",
        "name": "abdomen",
        "optional": false
      },
      {
        "id": "006-9",
        "name": "stinger",
        "optional": true
      },
      {
        "id": "006-10",
        "name": "jointed_legs",
        "optional": false
      },
      {
        "id": "006-11",
        "name": "mouth",
        "optional": true
      }
    ]
  },
  "apple": {
    "class_id": "007",
    "total_elements": 11,
    "elements": [
      {
        "id": "007-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "007-2",
        "name": "stem",
        "optional": false
      },
      {
        "id": "007-3",
        "name": "calyx",
        "optional": true
      },
      {
        "id": "007-4",
        "name": "skin_texture",
        "optional": true
      },
      {
        "id": "007-5",
        "name": "slice",
        "optional": true
      },
      {
        "id": "007-6",
        "name": "seeds",
        "optional": true
      },
      {
        "id": "007-7",
        "name": "core",
        "optional": true
      },
      {
        "id": "007-8",
        "name": "bite_mark",
        "optional": true
      },
      {
        "id": "007-9",
        "name": "bug_hole",
        "optional": true
      },
      {
        "id": "007-10",
        "name": "leaf",
        "optional": true
      },
      {
        "id": "007-11",
        "name": "surface_spots",
        "optional": true
      }
    ]
  },
  "arch_of_triumph": {
    "class_id": "008",
    "total_elements": 9,
    "elements": [
      {
        "id": "008-1",
        "name": "central_arch",
        "optional": false
      },
      {
        "id": "008-2",
        "name": "side_arches",
        "optional": true
      },
      {
        "id": "008-3",
        "name": "pillars",
        "optional": false
      },
      {
        "id": "008-4",
        "name": "entablature",
        "optional": false
      },
      {
        "id": "008-5",
        "name": "attic",
        "optional": true
      },
      {
        "id": "008-6",
        "name": "decorative_sculptures",
        "optional": true
      },
      {
        "id": "008-7",
        "name": "bases",
        "optional": true
      },
      {
        "id": "008-8",
        "name": "keystone",
        "optional": false
      },
      {
        "id": "008-9",
        "name": "cornices",
        "optional": true
      }
    ]
  },
  "asparagus": {
    "class_id": "009",
    "total_elements": 5,
    "elements": [
      {
        "id": "009-1",
        "name": "stalk",
        "optional": false
      },
      {
        "id": "009-2",
        "name": "tip",
        "optional": false
      },
      {
        "id": "009-3",
        "name": "scaled_buds",
        "optional": false
      },
      {
        "id": "009-4",
        "name": "base",
        "optional": false
      },
      {
        "id": "009-5",
        "name": "bundle_tie",
        "optional": true
      }
    ]
  },
  "axe": {
    "class_id": "010",
    "total_elements": 8,
    "elements": [
      {
        "id": "010-1",
        "name": "handle",
        "optional": false
      },
      {
        "id": "010-2",
        "name": "blade",
        "optional": false
      },
      {
        "id": "010-3",
        "name": "head",
        "optional": false
      },
      {
        "id": "010-4",
        "name": "poll",
        "optional": false
      },
      {
        "id": "010-5",
        "name": "eye",
        "optional": false
      },
      {
        "id": "010-6",
        "name": "heel",
        "optional": false
      },
      {
        "id": "010-7",
        "name": "toe",
        "optional": false
      },
      {
        "id": "010-8",
        "name": "ferrule",
        "optional": true
      }
    ]
  },
  "backpack": {
    "class_id": "011",
    "total_elements": 11,
    "elements": [
      {
        "id": "011-1",
        "name": "main_compartment",
        "optional": false
      },
      {
        "id": "011-2",
        "name": "front_pocket",
        "optional": true
      },
      {
        "id": "011-3",
        "name": "shoulder_straps",
        "optional": false
      },
      {
        "id": "011-4",
        "name": "zippers",
        "optional": false
      },
      {
        "id": "011-5",
        "name": "top_handle",
        "optional": true
      },
      {
        "id": "011-6",
        "name": "side_pockets",
        "optional": true
      },
      {
        "id": "011-7",
        "name": "back_panel",
        "optional": false
      },
      {
        "id": "011-8",
        "name": "buckles",
        "optional": true
      },
      {
        "id": "011-9",
        "name": "laptop_compartment",
        "optional": true
      },
      {
        "id": "011-10",
        "name": "logo_patch",
        "optional": true
      },
      {
        "id": "011-11",
        "name": "chest_strap",
        "optional": true
      }
    ]
  },
  "bamboo": {
    "class_id": "012",
    "total_elements": 5,
    "elements": [
      {
        "id": "012-1",
        "name": "stem",
        "optional": false
      },
      {
        "id": "012-2",
        "name": "node",
        "optional": false
      },
      {
        "id": "012-3",
        "name": "leaf",
        "optional": false
      },
      {
        "id": "012-4",
        "name": "branch",
        "optional": true
      },
      {
        "id": "012-5",
        "name": "clump",
        "optional": true
      }
    ]
  },
  "banana": {
    "class_id": "013",
    "total_elements": 6,
    "elements": [
      {
        "id": "013-1",
        "name": "curved_body",
        "optional": false
      },
      {
        "id": "013-2",
        "name": "peel",
        "optional": false
      },
      {
        "id": "013-3",
        "name": "stem",
        "optional": false
      },
      {
        "id": "013-4",
        "name": "tip",
        "optional": false
      },
      {
        "id": "013-5",
        "name": "peel_segments",
        "optional": true
      },
      {
        "id": "013-6",
        "name": "hands",
        "optional": true
      }
    ]
  },
  "bandage": {
    "class_id": "014",
    "total_elements": 4,
    "elements": [
      {
        "id": "014-1",
        "name": "strip",
        "optional": false
      },
      {
        "id": "014-2",
        "name": "pad",
        "optional": false
      },
      {
        "id": "014-3",
        "name": "adhesive_ends",
        "optional": false
      },
      {
        "id": "014-4",
        "name": "perforations",
        "optional": true
      }
    ]
  },
  "barbell": {
    "class_id": "015",
    "total_elements": 6,
    "elements": [
      {
        "id": "015-1",
        "name": "bar",
        "optional": false
      },
      {
        "id": "015-2",
        "name": "weight_plate",
        "optional": false
      },
      {
        "id": "015-3",
        "name": "weight_markings",
        "optional": true
      },
      {
        "id": "015-4",
        "name": "support_stand",
        "optional": true
      },
      {
        "id": "015-5",
        "name": "double_weight_plates",
        "optional": true
      },
      {
        "id": "015-6",
        "name": "floor_line",
        "optional": true
      }
    ]
  },
  "barn": {
    "class_id": "016",
    "total_elements": 10,
    "elements": [
      {
        "id": "016-1",
        "name": "main_structure",
        "optional": false
      },
      {
        "id": "016-2",
        "name": "roof",
        "optional": false
      },
      {
        "id": "016-3",
        "name": "doors",
        "optional": false
      },
      {
        "id": "016-4",
        "name": "windows",
        "optional": true
      },
      {
        "id": "016-5",
        "name": "loft",
        "optional": true
      },
      {
        "id": "016-6",
        "name": "silo",
        "optional": true
      },
      {
        "id": "016-7",
        "name": "foundation",
        "optional": true
      },
      {
        "id": "016-8",
        "name": "weather_vane",
        "optional": true
      },
      {
        "id": "016-9",
        "name": "fence",
        "optional": true
      },
      {
        "id": "016-10",
        "name": "hay_bales",
        "optional": true
      }
    ]
  },
  "baseball": {
    "class_id": "017",
    "total_elements": 5,
    "elements": [
      {
        "id": "017-1",
        "name": "core",
        "optional": false
      },
      {
        "id": "017-2",
        "name": "stitches",
        "optional": false
      },
      {
        "id": "017-3",
        "name": "seams",
        "optional": false
      },
      {
        "id": "017-4",
        "name": "motion_lines",
        "optional": true
      },
      {
        "id": "017-5",
        "name": "bat",
        "optional": true
      }
    ]
  },
  "baseball_bat": {
    "class_id": "018",
    "total_elements": 5,
    "elements": [
      {
        "id": "018-1",
        "name": "barrel",
        "optional": false
      },
      {
        "id": "018-2",
        "name": "handle",
        "optional": false
      },
      {
        "id": "018-3",
        "name": "knob",
        "optional": false
      },
      {
        "id": "018-4",
        "name": "taper",
        "optional": false
      },
      {
        "id": "018-5",
        "name": "grip",
        "optional": true
      }
    ]
  },
  "basket": {
    "class_id": "019",
    "total_elements": 7,
    "elements": [
      {
        "id": "019-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "019-2",
        "name": "handle",
        "optional": false
      },
      {
        "id": "019-3",
        "name": "rim",
        "optional": false
      },
      {
        "id": "019-4",
        "name": "weave_pattern",
        "optional": true
      },
      {
        "id": "019-5",
        "name": "lid",
        "optional": true
      },
      {
        "id": "019-6",
        "name": "decoration",
        "optional": true
      },
      {
        "id": "019-7",
        "name": "supports",
        "optional": true
      }
    ]
  },
  "basketball": {
    "class_id": "020",
    "total_elements": 5,
    "elements": [
      {
        "id": "020-1",
        "name": "sphere",
        "optional": false
      },
      {
        "id": "020-2",
        "name": "panel_lines",
        "optional": false
      },
      {
        "id": "020-3",
        "name": "hoop",
        "optional": true
      },
      {
        "id": "020-4",
        "name": "net",
        "optional": true
      },
      {
        "id": "020-5",
        "name": "valve",
        "optional": true
      }
    ]
  },
  "bat": {
    "class_id": "021",
    "total_elements": 14,
    "elements": [
      {
        "id": "021-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "021-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "021-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "021-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "021-5",
        "name": "body",
        "optional": false
      },
      {
        "id": "021-6",
        "name": "wings",
        "optional": false
      },
      {
        "id": "021-7",
        "name": "wing_membrane",
        "optional": false
      },
      {
        "id": "021-8",
        "name": "fingers",
        "optional": false
      },
      {
        "id": "021-9",
        "name": "legs",
        "optional": false
      },
      {
        "id": "021-10",
        "name": "feet",
        "optional": false
      },
      {
        "id": "021-11",
        "name": "tail",
        "optional": true
      },
      {
        "id": "021-12",
        "name": "teeth",
        "optional": true
      },
      {
        "id": "021-13",
        "name": "fur",
        "optional": true
      },
      {
        "id": "021-14",
        "name": "mouth",
        "optional": true
      }
    ]
  },
  "bathtub": {
    "class_id": "022",
    "total_elements": 7,
    "elements": [
      {
        "id": "022-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "022-2",
        "name": "water",
        "optional": true
      },
      {
        "id": "022-3",
        "name": "rim",
        "optional": false
      },
      {
        "id": "022-4",
        "name": "faucet",
        "optional": false
      },
      {
        "id": "022-5",
        "name": "shower_head",
        "optional": true
      },
      {
        "id": "022-6",
        "name": "legs",
        "optional": true
      },
      {
        "id": "022-7",
        "name": "taps",
        "optional": false
      }
    ]
  },
  "beach": {
    "class_id": "023",
    "total_elements": 9,
    "elements": [
      {
        "id": "023-1",
        "name": "sand",
        "optional": false
      },
      {
        "id": "023-2",
        "name": "water",
        "optional": false
      },
      {
        "id": "023-3",
        "name": "sun",
        "optional": false
      },
      {
        "id": "023-4",
        "name": "palm_tree",
        "optional": true
      },
      {
        "id": "023-5",
        "name": "umbrella",
        "optional": true
      },
      {
        "id": "023-6",
        "name": "wave",
        "optional": true
      },
      {
        "id": "023-7",
        "name": "towel",
        "optional": true
      },
      {
        "id": "023-8",
        "name": "cloud",
        "optional": true
      },
      {
        "id": "023-9",
        "name": "dune",
        "optional": true
      }
    ]
  },
  "bed": {
    "class_id": "024",
    "total_elements": 7,
    "elements": [
      {
        "id": "024-1",
        "name": "frame",
        "optional": false
      },
      {
        "id": "024-2",
        "name": "headboard",
        "optional": true
      },
      {
        "id": "024-3",
        "name": "footboard",
        "optional": true
      },
      {
        "id": "024-4",
        "name": "legs",
        "optional": true
      },
      {
        "id": "024-5",
        "name": "mattress",
        "optional": false
      },
      {
        "id": "024-6",
        "name": "pillows",
        "optional": true
      },
      {
        "id": "024-7",
        "name": "blanket",
        "optional": true
      }
    ]
  },
  "bee": {
    "class_id": "025",
    "total_elements": 14,
    "elements": [
      {
        "id": "025-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "025-2",
        "name": "antennae",
        "optional": false
      },
      {
        "id": "025-3",
        "name": "compound_eyes",
        "optional": false
      },
      {
        "id": "025-4",
        "name": "mouthparts",
        "optional": true
      },
      {
        "id": "025-5",
        "name": "thorax",
        "optional": false
      },
      {
        "id": "025-6",
        "name": "wings",
        "optional": false
      },
      {
        "id": "025-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "025-8",
        "name": "abdomen",
        "optional": false
      },
      {
        "id": "025-9",
        "name": "stripes",
        "optional": false
      },
      {
        "id": "025-10",
        "name": "stinger",
        "optional": true
      },
      {
        "id": "025-11",
        "name": "hairs",
        "optional": true
      },
      {
        "id": "025-12",
        "name": "flower_context",
        "optional": true
      },
      {
        "id": "025-13",
        "name": "flying_motion",
        "optional": true
      },
      {
        "id": "025-14",
        "name": "mouth",
        "optional": true
      }
    ]
  },
  "bell": {
    "class_id": "026",
    "total_elements": 7,
    "elements": [
      {
        "id": "026-1",
        "name": "dome",
        "optional": false
      },
      {
        "id": "026-2",
        "name": "clapper",
        "optional": false
      },
      {
        "id": "026-3",
        "name": "handle",
        "optional": false
      },
      {
        "id": "026-4",
        "name": "rim",
        "optional": false
      },
      {
        "id": "026-5",
        "name": "sound_wave_lines",
        "optional": true
      },
      {
        "id": "026-6",
        "name": "mounted_bracket",
        "optional": true
      },
      {
        "id": "026-7",
        "name": "decoration_lines",
        "optional": true
      }
    ]
  },
  "belt": {
    "class_id": "027",
    "total_elements": 8,
    "elements": [
      {
        "id": "027-1",
        "name": "strip",
        "optional": false
      },
      {
        "id": "027-2",
        "name": "buckle",
        "optional": false
      },
      {
        "id": "027-3",
        "name": "holes",
        "optional": false
      },
      {
        "id": "027-4",
        "name": "prong",
        "optional": false
      },
      {
        "id": "027-5",
        "name": "loop",
        "optional": true
      },
      {
        "id": "027-6",
        "name": "end_tip",
        "optional": true
      },
      {
        "id": "027-7",
        "name": "stitching",
        "optional": true
      },
      {
        "id": "027-8",
        "name": "decorative_elements",
        "optional": true
      }
    ]
  },
  "bench": {
    "class_id": "028",
    "total_elements": 8,
    "elements": [
      {
        "id": "028-1",
        "name": "seat",
        "optional": false
      },
      {
        "id": "028-2",
        "name": "backrest",
        "optional": true
      },
      {
        "id": "028-3",
        "name": "legs",
        "optional": false
      },
      {
        "id": "028-4",
        "name": "armrests",
        "optional": true
      },
      {
        "id": "028-5",
        "name": "slats",
        "optional": true
      },
      {
        "id": "028-6",
        "name": "frame",
        "optional": true
      },
      {
        "id": "028-7",
        "name": "crossbar",
        "optional": true
      },
      {
        "id": "028-8",
        "name": "ground_contact",
        "optional": true
      }
    ]
  },
  "bicycle": {
    "class_id": "029",
    "total_elements": 10,
    "elements": [
      {
        "id": "029-1",
        "name": "frame",
        "optional": false
      },
      {
        "id": "029-2",
        "name": "wheel",
        "optional": false
      },
      {
        "id": "029-3",
        "name": "handlebars",
        "optional": false
      },
      {
        "id": "029-4",
        "name": "seat",
        "optional": false
      },
      {
        "id": "029-5",
        "name": "pedals",
        "optional": false
      },
      {
        "id": "029-6",
        "name": "chain",
        "optional": false
      },
      {
        "id": "029-7",
        "name": "saddle",
        "optional": false
      },
      {
        "id": "029-8",
        "name": "spokes",
        "optional": false
      },
      {
        "id": "029-9",
        "name": "chainring",
        "optional": false
      },
      {
        "id": "029-10",
        "name": "fork",
        "optional": false
      }
    ]
  },
  "big_ben": {
    "class_id": "030",
    "total_elements": 8,
    "elements": [
      {
        "id": "030-1",
        "name": "tower_body",
        "optional": false
      },
      {
        "id": "030-2",
        "name": "clock_face",
        "optional": false
      },
      {
        "id": "030-3",
        "name": "clock_hands",
        "optional": false
      },
      {
        "id": "030-4",
        "name": "spire",
        "optional": false
      },
      {
        "id": "030-5",
        "name": "belfry",
        "optional": false
      },
      {
        "id": "030-6",
        "name": "pinnacles",
        "optional": true
      },
      {
        "id": "030-7",
        "name": "base",
        "optional": false
      },
      {
        "id": "030-8",
        "name": "windows",
        "optional": true
      }
    ]
  },
  "binoculars": {
    "class_id": "031",
    "total_elements": 10,
    "elements": [
      {
        "id": "031-1",
        "name": "objective_lenses",
        "optional": false
      },
      {
        "id": "031-2",
        "name": "eyepieces",
        "optional": false
      },
      {
        "id": "031-3",
        "name": "barrels",
        "optional": false
      },
      {
        "id": "031-4",
        "name": "bridge",
        "optional": false
      },
      {
        "id": "031-5",
        "name": "focus_wheel",
        "optional": false
      },
      {
        "id": "031-6",
        "name": "diopter_adjustment",
        "optional": true
      },
      {
        "id": "031-7",
        "name": "neck_strap_attachments",
        "optional": true
      },
      {
        "id": "031-8",
        "name": "lens_caps",
        "optional": true
      },
      {
        "id": "031-9",
        "name": "rubber_eyecups",
        "optional": true
      },
      {
        "id": "031-10",
        "name": "pivot_joint",
        "optional": false
      }
    ]
  },
  "bird": {
    "class_id": "032",
    "total_elements": 15,
    "elements": [
      {
        "id": "032-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "032-2",
        "name": "beak",
        "optional": false
      },
      {
        "id": "032-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "032-4",
        "name": "body",
        "optional": false
      },
      {
        "id": "032-5",
        "name": "wings",
        "optional": false
      },
      {
        "id": "032-6",
        "name": "tail",
        "optional": false
      },
      {
        "id": "032-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "032-8",
        "name": "feet",
        "optional": false
      },
      {
        "id": "032-9",
        "name": "feathers",
        "optional": false
      },
      {
        "id": "032-10",
        "name": "branch",
        "optional": true
      },
      {
        "id": "032-11",
        "name": "crest",
        "optional": true
      },
      {
        "id": "032-12",
        "name": "wing_feathers",
        "optional": false
      },
      {
        "id": "032-13",
        "name": "tail_feathers",
        "optional": false
      },
      {
        "id": "032-14",
        "name": "flying_pose",
        "optional": true
      },
      {
        "id": "032-15",
        "name": "standing_pose",
        "optional": true
      }
    ]
  },
  "blimp": {
    "class_id": "033",
    "total_elements": 8,
    "elements": [
      {
        "id": "033-1",
        "name": "envelope",
        "optional": false
      },
      {
        "id": "033-2",
        "name": "gondola",
        "optional": false
      },
      {
        "id": "033-3",
        "name": "propeller",
        "optional": false
      },
      {
        "id": "033-4",
        "name": "fins",
        "optional": false
      },
      {
        "id": "033-5",
        "name": "tail",
        "optional": false
      },
      {
        "id": "033-6",
        "name": "cables",
        "optional": true
      },
      {
        "id": "033-7",
        "name": "windows",
        "optional": true
      },
      {
        "id": "033-8",
        "name": "logo",
        "optional": true
      }
    ]
  },
  "boar": {
    "class_id": "034",
    "total_elements": 13,
    "elements": [
      {
        "id": "034-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "034-2",
        "name": "snout",
        "optional": false
      },
      {
        "id": "034-3",
        "name": "tusks",
        "optional": false
      },
      {
        "id": "034-4",
        "name": "ears",
        "optional": false
      },
      {
        "id": "034-5",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "034-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "034-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "034-8",
        "name": "hooves",
        "optional": false
      },
      {
        "id": "034-9",
        "name": "tail",
        "optional": false
      },
      {
        "id": "034-10",
        "name": "brush",
        "optional": true
      },
      {
        "id": "034-11",
        "name": "mane",
        "optional": true
      },
      {
        "id": "034-12",
        "name": "hair",
        "optional": true
      },
      {
        "id": "034-13",
        "name": "hump",
        "optional": true
      }
    ]
  },
  "book": {
    "class_id": "035",
    "total_elements": 8,
    "elements": [
      {
        "id": "035-1",
        "name": "cover",
        "optional": false
      },
      {
        "id": "035-2",
        "name": "spine",
        "optional": false
      },
      {
        "id": "035-3",
        "name": "pages",
        "optional": false
      },
      {
        "id": "035-4",
        "name": "page_edges",
        "optional": false
      },
      {
        "id": "035-5",
        "name": "title_text",
        "optional": false
      },
      {
        "id": "035-6",
        "name": "bookmark",
        "optional": true
      },
      {
        "id": "035-7",
        "name": "illustrations",
        "optional": true
      },
      {
        "id": "035-8",
        "name": "dust_jacket",
        "optional": true
      }
    ]
  },
  "boomerang": {
    "class_id": "036",
    "total_elements": 6,
    "elements": [
      {
        "id": "036-1",
        "name": "main_body",
        "optional": false
      },
      {
        "id": "036-2",
        "name": "arms",
        "optional": false
      },
      {
        "id": "036-3",
        "name": "edge",
        "optional": false
      },
      {
        "id": "036-4",
        "name": "angle",
        "optional": false
      },
      {
        "id": "036-5",
        "name": "hand_grip",
        "optional": true
      },
      {
        "id": "036-6",
        "name": "aerodynamic_features",
        "optional": true
      }
    ]
  },
  "bottlecap": {
    "class_id": "037",
    "total_elements": 6,
    "elements": [
      {
        "id": "037-1",
        "name": "top_surface",
        "optional": false
      },
      {
        "id": "037-2",
        "name": "rim",
        "optional": false
      },
      {
        "id": "037-3",
        "name": "fluted_sides",
        "optional": false
      },
      {
        "id": "037-4",
        "name": "logo_or_text",
        "optional": true
      },
      {
        "id": "037-5",
        "name": "material_texture",
        "optional": true
      },
      {
        "id": "037-6",
        "name": "liner",
        "optional": true
      }
    ]
  },
  "bowtie": {
    "class_id": "038",
    "total_elements": 7,
    "elements": [
      {
        "id": "038-1",
        "name": "central_knot",
        "optional": false
      },
      {
        "id": "038-2",
        "name": "left_loop",
        "optional": false
      },
      {
        "id": "038-3",
        "name": "right_loop",
        "optional": false
      },
      {
        "id": "038-4",
        "name": "left_tail",
        "optional": true
      },
      {
        "id": "038-5",
        "name": "right_tail",
        "optional": true
      },
      {
        "id": "038-6",
        "name": "neck_band",
        "optional": false
      },
      {
        "id": "038-7",
        "name": "fold_lines",
        "optional": true
      }
    ]
  },
  "bread": {
    "class_id": "039",
    "total_elements": 9,
    "elements": [
      {
        "id": "039-1",
        "name": "loaf_shape",
        "optional": false
      },
      {
        "id": "039-2",
        "name": "crust",
        "optional": false
      },
      {
        "id": "039-3",
        "name": "slices",
        "optional": true
      },
      {
        "id": "039-4",
        "name": "slice_cross_section",
        "optional": true
      },
      {
        "id": "039-5",
        "name": "holes",
        "optional": true
      },
      {
        "id": "039-6",
        "name": "ends",
        "optional": true
      },
      {
        "id": "039-7",
        "name": "surface_features",
        "optional": true
      },
      {
        "id": "039-8",
        "name": "slash_marks",
        "optional": true
      },
      {
        "id": "039-9",
        "name": "crumbs",
        "optional": true
      }
    ]
  },
  "bridge": {
    "class_id": "040",
    "total_elements": 10,
    "elements": [
      {
        "id": "040-1",
        "name": "deck",
        "optional": false
      },
      {
        "id": "040-2",
        "name": "supports",
        "optional": false
      },
      {
        "id": "040-3",
        "name": "towers",
        "optional": true
      },
      {
        "id": "040-4",
        "name": "cables",
        "optional": true
      },
      {
        "id": "040-5",
        "name": "arch",
        "optional": true
      },
      {
        "id": "040-6",
        "name": "railings",
        "optional": false
      },
      {
        "id": "040-7",
        "name": "piers",
        "optional": true
      },
      {
        "id": "040-8",
        "name": "abutments",
        "optional": true
      },
      {
        "id": "040-9",
        "name": "road_lines",
        "optional": true
      },
      {
        "id": "040-10",
        "name": "water",
        "optional": true
      }
    ]
  },
  "broccoli": {
    "class_id": "041",
    "total_elements": 6,
    "elements": [
      {
        "id": "041-1",
        "name": "floret_cluster",
        "optional": false
      },
      {
        "id": "041-2",
        "name": "stalk",
        "optional": false
      },
      {
        "id": "041-3",
        "name": "floret",
        "optional": false
      },
      {
        "id": "041-4",
        "name": "branch",
        "optional": false
      },
      {
        "id": "041-5",
        "name": "cut_end",
        "optional": false
      },
      {
        "id": "041-6",
        "name": "texture_hint",
        "optional": true
      }
    ]
  },
  "broom": {
    "class_id": "042",
    "total_elements": 8,
    "elements": [
      {
        "id": "042-1",
        "name": "handle",
        "optional": false
      },
      {
        "id": "042-2",
        "name": "brush_head",
        "optional": false
      },
      {
        "id": "042-3",
        "name": "bristles",
        "optional": false
      },
      {
        "id": "042-4",
        "name": "brush_head_connector",
        "optional": false
      },
      {
        "id": "042-5",
        "name": "hanging_hole",
        "optional": true
      },
      {
        "id": "042-6",
        "name": "brush_head_edge",
        "optional": false
      },
      {
        "id": "042-7",
        "name": "brush_head_support",
        "optional": false
      },
      {
        "id": "042-8",
        "name": "dust_particles",
        "optional": false
      }
    ]
  },
  "bucket": {
    "class_id": "043",
    "total_elements": 6,
    "elements": [
      {
        "id": "043-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "043-2",
        "name": "handle",
        "optional": false
      },
      {
        "id": "043-3",
        "name": "rim",
        "optional": false
      },
      {
        "id": "043-4",
        "name": "grip",
        "optional": true
      },
      {
        "id": "043-5",
        "name": "contents",
        "optional": true
      },
      {
        "id": "043-6",
        "name": "pour_spout",
        "optional": true
      }
    ]
  },
  "bulldozer": {
    "class_id": "044",
    "total_elements": 8,
    "elements": [
      {
        "id": "044-1",
        "name": "blade",
        "optional": false
      },
      {
        "id": "044-2",
        "name": "cabin",
        "optional": false
      },
      {
        "id": "044-3",
        "name": "tracks",
        "optional": false
      },
      {
        "id": "044-4",
        "name": "engine_hood",
        "optional": false
      },
      {
        "id": "044-5",
        "name": "exhaust_pipe",
        "optional": true
      },
      {
        "id": "044-6",
        "name": "ripper",
        "optional": true
      },
      {
        "id": "044-7",
        "name": "undercarriage",
        "optional": false
      },
      {
        "id": "044-8",
        "name": "hydraulic_cylinders",
        "optional": false
      }
    ]
  },
  "bus": {
    "class_id": "045",
    "total_elements": 12,
    "elements": [
      {
        "id": "045-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "045-2",
        "name": "wheels",
        "optional": false
      },
      {
        "id": "045-3",
        "name": "windows",
        "optional": false
      },
      {
        "id": "045-4",
        "name": "door",
        "optional": false
      },
      {
        "id": "045-5",
        "name": "front_grille",
        "optional": false
      },
      {
        "id": "045-6",
        "name": "headlights",
        "optional": false
      },
      {
        "id": "045-7",
        "name": "mirrors",
        "optional": false
      },
      {
        "id": "045-8",
        "name": "roof",
        "optional": false
      },
      {
        "id": "045-9",
        "name": "rear_lights",
        "optional": false
      },
      {
        "id": "045-10",
        "name": "bumper",
        "optional": false
      },
      {
        "id": "045-11",
        "name": "logo",
        "optional": true
      },
      {
        "id": "045-12",
        "name": "exhaust_pipe",
        "optional": true
      }
    ]
  },
  "bush": {
    "class_id": "046",
    "total_elements": 7,
    "elements": [
      {
        "id": "046-1",
        "name": "main_body",
        "optional": false
      },
      {
        "id": "046-2",
        "name": "branches",
        "optional": false
      },
      {
        "id": "046-3",
        "name": "leaves",
        "optional": false
      },
      {
        "id": "046-4",
        "name": "base",
        "optional": true
      },
      {
        "id": "046-5",
        "name": "flowers",
        "optional": true
      },
      {
        "id": "046-6",
        "name": "berries",
        "optional": true
      },
      {
        "id": "046-7",
        "name": "thorns",
        "optional": true
      }
    ]
  },
  "butterfly": {
    "class_id": "047",
    "total_elements": 13,
    "elements": [
      {
        "id": "047-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "047-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "047-3",
        "name": "antennae",
        "optional": false
      },
      {
        "id": "047-4",
        "name": "upper_wings",
        "optional": false
      },
      {
        "id": "047-5",
        "name": "lower_wings",
        "optional": false
      },
      {
        "id": "047-6",
        "name": "wing_patterns",
        "optional": true
      },
      {
        "id": "047-7",
        "name": "legs",
        "optional": true
      },
      {
        "id": "047-8",
        "name": "proboscis",
        "optional": true
      },
      {
        "id": "047-9",
        "name": "eyes",
        "optional": true
      },
      {
        "id": "047-10",
        "name": "flight_posture",
        "optional": false
      },
      {
        "id": "047-11",
        "name": "resting_posture",
        "optional": true
      },
      {
        "id": "047-12",
        "name": "flowers",
        "optional": true
      },
      {
        "id": "047-13",
        "name": "mouth",
        "optional": true
      }
    ]
  },
  "cactus": {
    "class_id": "048",
    "total_elements": 8,
    "elements": [
      {
        "id": "048-1",
        "name": "main_body",
        "optional": false
      },
      {
        "id": "048-2",
        "name": "arms",
        "optional": false
      },
      {
        "id": "048-3",
        "name": "spines",
        "optional": false
      },
      {
        "id": "048-4",
        "name": "ridges",
        "optional": true
      },
      {
        "id": "048-5",
        "name": "flower",
        "optional": true
      },
      {
        "id": "048-6",
        "name": "base",
        "optional": false
      },
      {
        "id": "048-7",
        "name": "pot",
        "optional": true
      },
      {
        "id": "048-8",
        "name": "fruit",
        "optional": true
      }
    ]
  },
  "cake": {
    "class_id": "049",
    "total_elements": 9,
    "elements": [
      {
        "id": "049-1",
        "name": "base_layer",
        "optional": false
      },
      {
        "id": "049-2",
        "name": "upper_layer",
        "optional": true
      },
      {
        "id": "049-3",
        "name": "frosting",
        "optional": false
      },
      {
        "id": "049-4",
        "name": "slice",
        "optional": true
      },
      {
        "id": "049-5",
        "name": "plate",
        "optional": true
      },
      {
        "id": "049-6",
        "name": "candle",
        "optional": true
      },
      {
        "id": "049-7",
        "name": "icing_decoration",
        "optional": true
      },
      {
        "id": "049-8",
        "name": "fruit_topping",
        "optional": true
      },
      {
        "id": "049-9",
        "name": "layer_divider",
        "optional": true
      }
    ]
  },
  "calculator": {
    "class_id": "050",
    "total_elements": 10,
    "elements": [
      {
        "id": "050-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "050-2",
        "name": "display",
        "optional": false
      },
      {
        "id": "050-3",
        "name": "buttons",
        "optional": false
      },
      {
        "id": "050-4",
        "name": "button_labels",
        "optional": false
      },
      {
        "id": "050-5",
        "name": "solar_panel",
        "optional": true
      },
      {
        "id": "050-6",
        "name": "power_button",
        "optional": false
      },
      {
        "id": "050-7",
        "name": "memory_buttons",
        "optional": true
      },
      {
        "id": "050-8",
        "name": "function_buttons",
        "optional": false
      },
      {
        "id": "050-9",
        "name": "clear_button",
        "optional": false
      },
      {
        "id": "050-10",
        "name": "equal_button",
        "optional": false
      }
    ]
  },
  "calendar": {
    "class_id": "051",
    "total_elements": 7,
    "elements": [
      {
        "id": "051-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "051-2",
        "name": "header",
        "optional": false
      },
      {
        "id": "051-3",
        "name": "date_grid",
        "optional": false
      },
      {
        "id": "051-4",
        "name": "date_numbers",
        "optional": false
      },
      {
        "id": "051-5",
        "name": "binding",
        "optional": true
      },
      {
        "id": "051-6",
        "name": "notes_section",
        "optional": true
      },
      {
        "id": "051-7",
        "name": "hanger",
        "optional": true
      }
    ]
  },
  "camel": {
    "class_id": "052",
    "total_elements": 13,
    "elements": [
      {
        "id": "052-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "052-2",
        "name": "neck",
        "optional": false
      },
      {
        "id": "052-3",
        "name": "body",
        "optional": false
      },
      {
        "id": "052-4",
        "name": "hump",
        "optional": false
      },
      {
        "id": "052-5",
        "name": "legs",
        "optional": false
      },
      {
        "id": "052-6",
        "name": "feet",
        "optional": false
      },
      {
        "id": "052-7",
        "name": "tail",
        "optional": false
      },
      {
        "id": "052-8",
        "name": "ears",
        "optional": false
      },
      {
        "id": "052-9",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "052-10",
        "name": "nostrils",
        "optional": false
      },
      {
        "id": "052-11",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "052-12",
        "name": "fur",
        "optional": true
      },
      {
        "id": "052-13",
        "name": "saddle",
        "optional": true
      }
    ]
  },
  "camera": {
    "class_id": "053",
    "total_elements": 10,
    "elements": [
      {
        "id": "053-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "053-2",
        "name": "lens",
        "optional": false
      },
      {
        "id": "053-3",
        "name": "shutter_button",
        "optional": false
      },
      {
        "id": "053-4",
        "name": "flash",
        "optional": true
      },
      {
        "id": "053-5",
        "name": "zoom_ring",
        "optional": true
      },
      {
        "id": "053-6",
        "name": "mode_dial",
        "optional": true
      },
      {
        "id": "053-7",
        "name": "grip",
        "optional": true
      },
      {
        "id": "053-8",
        "name": "strap_hooks",
        "optional": true
      },
      {
        "id": "053-9",
        "name": "lens_cap",
        "optional": true
      },
      {
        "id": "053-10",
        "name": "hot_shoe",
        "optional": true
      }
    ]
  },
  "campfire": {
    "class_id": "054",
    "total_elements": 4,
    "elements": [
      {
        "id": "054-1",
        "name": "logs",
        "optional": false
      },
      {
        "id": "054-2",
        "name": "flames",
        "optional": false
      },
      {
        "id": "054-3",
        "name": "stones",
        "optional": true
      },
      {
        "id": "054-4",
        "name": "spark",
        "optional": true
      }
    ]
  },
  "candle": {
    "class_id": "055",
    "total_elements": 7,
    "elements": [
      {
        "id": "055-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "055-2",
        "name": "wick",
        "optional": false
      },
      {
        "id": "055-3",
        "name": "flame",
        "optional": true
      },
      {
        "id": "055-4",
        "name": "wax_drip",
        "optional": true
      },
      {
        "id": "055-5",
        "name": "base",
        "optional": true
      },
      {
        "id": "055-6",
        "name": "holder",
        "optional": true
      },
      {
        "id": "055-7",
        "name": "melted_wax_pool",
        "optional": true
      }
    ]
  },
  "cannon": {
    "class_id": "056",
    "total_elements": 7,
    "elements": [
      {
        "id": "056-1",
        "name": "barrel",
        "optional": false
      },
      {
        "id": "056-2",
        "name": "muzzle",
        "optional": false
      },
      {
        "id": "056-3",
        "name": "breech",
        "optional": false
      },
      {
        "id": "056-4",
        "name": "carriage",
        "optional": false
      },
      {
        "id": "056-5",
        "name": "wheels",
        "optional": false
      },
      {
        "id": "056-6",
        "name": "trunnions",
        "optional": true
      },
      {
        "id": "056-7",
        "name": "touch_hole",
        "optional": false
      }
    ]
  },
  "canoe": {
    "class_id": "057",
    "total_elements": 8,
    "elements": [
      {
        "id": "057-1",
        "name": "hull",
        "optional": false
      },
      {
        "id": "057-2",
        "name": "bow",
        "optional": false
      },
      {
        "id": "057-3",
        "name": "stern",
        "optional": false
      },
      {
        "id": "057-4",
        "name": "gunwales",
        "optional": false
      },
      {
        "id": "057-5",
        "name": "thwarts",
        "optional": true
      },
      {
        "id": "057-6",
        "name": "seats",
        "optional": true
      },
      {
        "id": "057-7",
        "name": "paddles",
        "optional": true
      },
      {
        "id": "057-8",
        "name": "water",
        "optional": true
      }
    ]
  },
  "car": {
    "class_id": "058",
    "total_elements": 13,
    "elements": [
      {
        "id": "058-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "058-2",
        "name": "wheel",
        "optional": false
      },
      {
        "id": "058-3",
        "name": "window",
        "optional": false
      },
      {
        "id": "058-4",
        "name": "door",
        "optional": false
      },
      {
        "id": "058-5",
        "name": "headlight",
        "optional": false
      },
      {
        "id": "058-6",
        "name": "taillight",
        "optional": false
      },
      {
        "id": "058-7",
        "name": "grill",
        "optional": true
      },
      {
        "id": "058-8",
        "name": "bumper",
        "optional": true
      },
      {
        "id": "058-9",
        "name": "side_mirror",
        "optional": false
      },
      {
        "id": "058-10",
        "name": "roof",
        "optional": false
      },
      {
        "id": "058-11",
        "name": "hood",
        "optional": false
      },
      {
        "id": "058-12",
        "name": "exhaust_pipe",
        "optional": true
      },
      {
        "id": "058-13",
        "name": "license_plate",
        "optional": true
      }
    ]
  },
  "carrot": {
    "class_id": "059",
    "total_elements": 6,
    "elements": [
      {
        "id": "059-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "059-2",
        "name": "tip",
        "optional": false
      },
      {
        "id": "059-3",
        "name": "top",
        "optional": false
      },
      {
        "id": "059-4",
        "name": "greens",
        "optional": true
      },
      {
        "id": "059-5",
        "name": "ridges",
        "optional": true
      },
      {
        "id": "059-6",
        "name": "root_hairs",
        "optional": true
      }
    ]
  },
  "castle": {
    "class_id": "060",
    "total_elements": 10,
    "elements": [
      {
        "id": "060-1",
        "name": "tower",
        "optional": false
      },
      {
        "id": "060-2",
        "name": "wall",
        "optional": false
      },
      {
        "id": "060-3",
        "name": "gate",
        "optional": false
      },
      {
        "id": "060-4",
        "name": "battlement",
        "optional": false
      },
      {
        "id": "060-5",
        "name": "moat",
        "optional": true
      },
      {
        "id": "060-6",
        "name": "archway",
        "optional": true
      },
      {
        "id": "060-7",
        "name": "keep",
        "optional": false
      },
      {
        "id": "060-8",
        "name": "turret",
        "optional": true
      },
      {
        "id": "060-9",
        "name": "flag",
        "optional": true
      },
      {
        "id": "060-10",
        "name": "roof",
        "optional": false
      }
    ]
  },
  "cat": {
    "class_id": "061",
    "total_elements": 15,
    "elements": [
      {
        "id": "061-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "061-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "061-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "061-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "061-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "061-6",
        "name": "whiskers",
        "optional": true
      },
      {
        "id": "061-7",
        "name": "body",
        "optional": false
      },
      {
        "id": "061-8",
        "name": "legs",
        "optional": false
      },
      {
        "id": "061-9",
        "name": "paws",
        "optional": true
      },
      {
        "id": "061-10",
        "name": "tail",
        "optional": false
      },
      {
        "id": "061-11",
        "name": "fur",
        "optional": true
      },
      {
        "id": "061-12",
        "name": "claws",
        "optional": true
      },
      {
        "id": "061-13",
        "name": "whisker_pads",
        "optional": true
      },
      {
        "id": "061-14",
        "name": "fur_markings",
        "optional": true
      },
      {
        "id": "061-15",
        "name": "bowtie",
        "optional": true
      }
    ]
  },
  "caterpillar": {
    "class_id": "062",
    "total_elements": 13,
    "elements": [
      {
        "id": "062-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "062-2",
        "name": "segments",
        "optional": false
      },
      {
        "id": "062-3",
        "name": "head",
        "optional": false
      },
      {
        "id": "062-4",
        "name": "antennae",
        "optional": false
      },
      {
        "id": "062-5",
        "name": "legs",
        "optional": false
      },
      {
        "id": "062-6",
        "name": "prolegs",
        "optional": true
      },
      {
        "id": "062-7",
        "name": "spiracles",
        "optional": true
      },
      {
        "id": "062-8",
        "name": "setae",
        "optional": true
      },
      {
        "id": "062-9",
        "name": "mandibles",
        "optional": true
      },
      {
        "id": "062-10",
        "name": "tail",
        "optional": true
      },
      {
        "id": "062-11",
        "name": "environment",
        "optional": true
      },
      {
        "id": "062-12",
        "name": "mouth",
        "optional": true
      },
      {
        "id": "062-13",
        "name": "eye",
        "optional": true
      }
    ]
  },
  "ceiling_fan": {
    "class_id": "063",
    "total_elements": 9,
    "elements": [
      {
        "id": "063-1",
        "name": "blades",
        "optional": false
      },
      {
        "id": "063-2",
        "name": "central_hub",
        "optional": false
      },
      {
        "id": "063-3",
        "name": "motor_housing",
        "optional": false
      },
      {
        "id": "063-4",
        "name": "downrod",
        "optional": true
      },
      {
        "id": "063-5",
        "name": "mounting_bracket",
        "optional": true
      },
      {
        "id": "063-6",
        "name": "pull_chain",
        "optional": true
      },
      {
        "id": "063-7",
        "name": "blade_arms",
        "optional": false
      },
      {
        "id": "063-8",
        "name": "airflow_lines",
        "optional": true
      },
      {
        "id": "063-9",
        "name": "ceiling_attachment",
        "optional": true
      }
    ]
  },
  "cell_phone": {
    "class_id": "064",
    "total_elements": 8,
    "elements": [
      {
        "id": "064-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "064-2",
        "name": "screen",
        "optional": false
      },
      {
        "id": "064-3",
        "name": "front_camera",
        "optional": true
      },
      {
        "id": "064-4",
        "name": "speaker",
        "optional": false
      },
      {
        "id": "064-5",
        "name": "home_button",
        "optional": true
      },
      {
        "id": "064-6",
        "name": "side_buttons",
        "optional": false
      },
      {
        "id": "064-7",
        "name": "logo",
        "optional": true
      },
      {
        "id": "064-8",
        "name": "antenna_lines",
        "optional": true
      }
    ]
  },
  "cello": {
    "class_id": "065",
    "total_elements": 12,
    "elements": [
      {
        "id": "065-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "065-2",
        "name": "neck",
        "optional": false
      },
      {
        "id": "065-3",
        "name": "fingerboard",
        "optional": false
      },
      {
        "id": "065-4",
        "name": "scroll",
        "optional": false
      },
      {
        "id": "065-5",
        "name": "pegs",
        "optional": false
      },
      {
        "id": "065-6",
        "name": "strings",
        "optional": false
      },
      {
        "id": "065-7",
        "name": "bridge",
        "optional": false
      },
      {
        "id": "065-8",
        "name": "tailpiece",
        "optional": false
      },
      {
        "id": "065-9",
        "name": "endpin",
        "optional": false
      },
      {
        "id": "065-10",
        "name": "f-holes",
        "optional": false
      },
      {
        "id": "065-11",
        "name": "bow",
        "optional": false
      },
      {
        "id": "065-12",
        "name": "bridge_feet",
        "optional": true
      }
    ]
  },
  "chameleon": {
    "class_id": "066",
    "total_elements": 13,
    "elements": [
      {
        "id": "066-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "066-2",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "066-3",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "066-4",
        "name": "tongue",
        "optional": true
      },
      {
        "id": "066-5",
        "name": "body",
        "optional": false
      },
      {
        "id": "066-6",
        "name": "legs",
        "optional": false
      },
      {
        "id": "066-7",
        "name": "feet",
        "optional": false
      },
      {
        "id": "066-8",
        "name": "tail",
        "optional": false
      },
      {
        "id": "066-9",
        "name": "scaly_skin",
        "optional": false
      },
      {
        "id": "066-10",
        "name": "crest",
        "optional": true
      },
      {
        "id": "066-11",
        "name": "branch",
        "optional": true
      },
      {
        "id": "066-12",
        "name": "nostrils",
        "optional": true
      },
      {
        "id": "066-13",
        "name": "gular_pouch",
        "optional": true
      }
    ]
  },
  "chandelier": {
    "class_id": "067",
    "total_elements": 10,
    "elements": [
      {
        "id": "067-1",
        "name": "central_stem",
        "optional": false
      },
      {
        "id": "067-2",
        "name": "arms",
        "optional": false
      },
      {
        "id": "067-3",
        "name": "light_bulbs",
        "optional": false
      },
      {
        "id": "067-4",
        "name": "candles",
        "optional": true
      },
      {
        "id": "067-5",
        "name": "chain",
        "optional": false
      },
      {
        "id": "067-6",
        "name": "bobeches",
        "optional": true
      },
      {
        "id": "067-7",
        "name": "ceiling_mount",
        "optional": false
      },
      {
        "id": "067-8",
        "name": "drops",
        "optional": true
      },
      {
        "id": "067-9",
        "name": "decorative_rings",
        "optional": true
      },
      {
        "id": "067-10",
        "name": "sockets",
        "optional": false
      }
    ]
  },
  "charger": {
    "class_id": "068",
    "total_elements": 5,
    "elements": [
      {
        "id": "068-1",
        "name": "main_body",
        "optional": false
      },
      {
        "id": "068-2",
        "name": "prongs",
        "optional": false
      },
      {
        "id": "068-3",
        "name": "cable",
        "optional": true
      },
      {
        "id": "068-4",
        "name": "indicator_light",
        "optional": true
      },
      {
        "id": "068-5",
        "name": "cable_connector",
        "optional": false
      }
    ]
  },
  "church": {
    "class_id": "069",
    "total_elements": 10,
    "elements": [
      {
        "id": "069-1",
        "name": "main_building",
        "optional": false
      },
      {
        "id": "069-2",
        "name": "roof",
        "optional": false
      },
      {
        "id": "069-3",
        "name": "tower",
        "optional": false
      },
      {
        "id": "069-4",
        "name": "spire",
        "optional": true
      },
      {
        "id": "069-5",
        "name": "cross",
        "optional": true
      },
      {
        "id": "069-6",
        "name": "door",
        "optional": false
      },
      {
        "id": "069-7",
        "name": "window",
        "optional": false
      },
      {
        "id": "069-8",
        "name": "bell",
        "optional": true
      },
      {
        "id": "069-9",
        "name": "arch",
        "optional": true
      },
      {
        "id": "069-10",
        "name": "platform",
        "optional": true
      }
    ]
  },
  "clarinet": {
    "class_id": "070",
    "total_elements": 10,
    "elements": [
      {
        "id": "070-1",
        "name": "mouthpiece",
        "optional": false
      },
      {
        "id": "070-2",
        "name": "barrel",
        "optional": false
      },
      {
        "id": "070-3",
        "name": "upper_joint",
        "optional": false
      },
      {
        "id": "070-4",
        "name": "lower_joint",
        "optional": false
      },
      {
        "id": "070-5",
        "name": "bell",
        "optional": false
      },
      {
        "id": "070-6",
        "name": "keys",
        "optional": false
      },
      {
        "id": "070-7",
        "name": "tone_holes",
        "optional": false
      },
      {
        "id": "070-8",
        "name": "ligature",
        "optional": false
      },
      {
        "id": "070-9",
        "name": "thumb_rest",
        "optional": true
      },
      {
        "id": "070-10",
        "name": "register_key",
        "optional": false
      }
    ]
  },
  "cloud": {
    "class_id": "071",
    "total_elements": 4,
    "elements": [
      {
        "id": "071-1",
        "name": "main_body",
        "optional": false
      },
      {
        "id": "071-2",
        "name": "puffs",
        "optional": false
      },
      {
        "id": "071-3",
        "name": "flat_base",
        "optional": true
      },
      {
        "id": "071-4",
        "name": "rain_streaks",
        "optional": true
      }
    ]
  },
  "clover": {
    "class_id": "072",
    "total_elements": 6,
    "elements": [
      {
        "id": "072-1",
        "name": "leaf",
        "optional": false
      },
      {
        "id": "072-2",
        "name": "stem",
        "optional": false
      },
      {
        "id": "072-3",
        "name": "vein",
        "optional": true
      },
      {
        "id": "072-4",
        "name": "petal_outline",
        "optional": false
      },
      {
        "id": "072-5",
        "name": "fourth_leaf",
        "optional": true
      },
      {
        "id": "072-6",
        "name": "textural_detail",
        "optional": true
      }
    ]
  },
  "comb": {
    "class_id": "073",
    "total_elements": 5,
    "elements": [
      {
        "id": "073-1",
        "name": "frame",
        "optional": false
      },
      {
        "id": "073-2",
        "name": "teeth",
        "optional": false
      },
      {
        "id": "073-3",
        "name": "handle",
        "optional": true
      },
      {
        "id": "073-4",
        "name": "spacing",
        "optional": false
      },
      {
        "id": "073-5",
        "name": "decorative_elements",
        "optional": true
      }
    ]
  },
  "compass": {
    "class_id": "074",
    "total_elements": 6,
    "elements": [
      {
        "id": "074-1",
        "name": "outer_circle",
        "optional": false
      },
      {
        "id": "074-2",
        "name": "direction_labels",
        "optional": false
      },
      {
        "id": "074-3",
        "name": "needle",
        "optional": false
      },
      {
        "id": "074-4",
        "name": "center",
        "optional": true
      },
      {
        "id": "074-5",
        "name": "tick_marks",
        "optional": true
      },
      {
        "id": "074-6",
        "name": "decorative_elements",
        "optional": true
      }
    ]
  },
  "computer": {
    "class_id": "075",
    "total_elements": 7,
    "elements": [
      {
        "id": "075-1",
        "name": "screen",
        "optional": false
      },
      {
        "id": "075-2",
        "name": "body",
        "optional": false
      },
      {
        "id": "075-3",
        "name": "keyboard",
        "optional": false
      },
      {
        "id": "075-4",
        "name": "mouse",
        "optional": true
      },
      {
        "id": "075-5",
        "name": "usb_port",
        "optional": true
      },
      {
        "id": "075-6",
        "name": "power_button",
        "optional": false
      },
      {
        "id": "075-7",
        "name": "cd_drive",
        "optional": true
      }
    ]
  },
  "cookie": {
    "class_id": "076",
    "total_elements": 5,
    "elements": [
      {
        "id": "076-1",
        "name": "base_shape",
        "optional": false
      },
      {
        "id": "076-2",
        "name": "texture",
        "optional": false
      },
      {
        "id": "076-3",
        "name": "toppings",
        "optional": true
      },
      {
        "id": "076-4",
        "name": "bite_mark",
        "optional": true
      },
      {
        "id": "076-5",
        "name": "icing",
        "optional": true
      }
    ]
  },
  "couch": {
    "class_id": "077",
    "total_elements": 7,
    "elements": [
      {
        "id": "077-1",
        "name": "seat",
        "optional": false
      },
      {
        "id": "077-2",
        "name": "backrest",
        "optional": false
      },
      {
        "id": "077-3",
        "name": "armrest",
        "optional": false
      },
      {
        "id": "077-4",
        "name": "cushion",
        "optional": true
      },
      {
        "id": "077-5",
        "name": "legs",
        "optional": false
      },
      {
        "id": "077-6",
        "name": "tufting",
        "optional": true
      },
      {
        "id": "077-7",
        "name": "throw_pillow",
        "optional": true
      }
    ]
  },
  "cow": {
    "class_id": "078",
    "total_elements": 15,
    "elements": [
      {
        "id": "078-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "078-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "078-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "078-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "078-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "078-6",
        "name": "horns",
        "optional": true
      },
      {
        "id": "078-7",
        "name": "body",
        "optional": false
      },
      {
        "id": "078-8",
        "name": "legs",
        "optional": false
      },
      {
        "id": "078-9",
        "name": "udder",
        "optional": false
      },
      {
        "id": "078-10",
        "name": "tail",
        "optional": false
      },
      {
        "id": "078-11",
        "name": "hooves",
        "optional": true
      },
      {
        "id": "078-12",
        "name": "spots",
        "optional": true
      },
      {
        "id": "078-13",
        "name": "neck",
        "optional": false
      },
      {
        "id": "078-14",
        "name": "muzzle",
        "optional": true
      },
      {
        "id": "078-15",
        "name": "pasture",
        "optional": true
      }
    ]
  },
  "crab": {
    "class_id": "079",
    "total_elements": 12,
    "elements": [
      {
        "id": "079-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "079-2",
        "name": "claws",
        "optional": false
      },
      {
        "id": "079-3",
        "name": "legs",
        "optional": false
      },
      {
        "id": "079-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "079-5",
        "name": "shell_texture",
        "optional": true
      },
      {
        "id": "079-6",
        "name": "antennae",
        "optional": true
      },
      {
        "id": "079-7",
        "name": "mouthparts",
        "optional": true
      },
      {
        "id": "079-8",
        "name": "joints",
        "optional": true
      },
      {
        "id": "079-9",
        "name": "legs_bend",
        "optional": false
      },
      {
        "id": "079-10",
        "name": "gills",
        "optional": true
      },
      {
        "id": "079-11",
        "name": "shell_spikes",
        "optional": true
      },
      {
        "id": "079-12",
        "name": "mouth",
        "optional": true
      }
    ]
  },
  "crayon": {
    "class_id": "080",
    "total_elements": 6,
    "elements": [
      {
        "id": "080-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "080-2",
        "name": "tip",
        "optional": false
      },
      {
        "id": "080-3",
        "name": "base",
        "optional": false
      },
      {
        "id": "080-4",
        "name": "wrapper",
        "optional": false
      },
      {
        "id": "080-5",
        "name": "label",
        "optional": true
      },
      {
        "id": "080-6",
        "name": "multiple",
        "optional": true
      }
    ]
  },
  "crocodile": {
    "class_id": "081",
    "total_elements": 13,
    "elements": [
      {
        "id": "081-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "081-2",
        "name": "jaws",
        "optional": false
      },
      {
        "id": "081-3",
        "name": "teeth",
        "optional": false
      },
      {
        "id": "081-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "081-5",
        "name": "nostrils",
        "optional": true
      },
      {
        "id": "081-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "081-7",
        "name": "scales",
        "optional": true
      },
      {
        "id": "081-8",
        "name": "legs",
        "optional": false
      },
      {
        "id": "081-9",
        "name": "feet",
        "optional": false
      },
      {
        "id": "081-10",
        "name": "tail",
        "optional": false
      },
      {
        "id": "081-11",
        "name": "ridges",
        "optional": true
      },
      {
        "id": "081-12",
        "name": "hunting_pose",
        "optional": true
      },
      {
        "id": "081-13",
        "name": "underbelly",
        "optional": true
      }
    ]
  },
  "crown": {
    "class_id": "082",
    "total_elements": 7,
    "elements": [
      {
        "id": "082-1",
        "name": "base_band",
        "optional": false
      },
      {
        "id": "082-2",
        "name": "spikes",
        "optional": false
      },
      {
        "id": "082-3",
        "name": "jewels",
        "optional": true
      },
      {
        "id": "082-4",
        "name": "cross",
        "optional": true
      },
      {
        "id": "082-5",
        "name": "arches",
        "optional": true
      },
      {
        "id": "082-6",
        "name": "embellishments",
        "optional": true
      },
      {
        "id": "082-7",
        "name": "fleur-de-lis",
        "optional": true
      }
    ]
  },
  "cruise_ship": {
    "class_id": "083",
    "total_elements": 9,
    "elements": [
      {
        "id": "083-1",
        "name": "hull",
        "optional": false
      },
      {
        "id": "083-2",
        "name": "deck",
        "optional": false
      },
      {
        "id": "083-3",
        "name": "smokestack",
        "optional": true
      },
      {
        "id": "083-4",
        "name": "windows",
        "optional": true
      },
      {
        "id": "083-5",
        "name": "bow",
        "optional": false
      },
      {
        "id": "083-6",
        "name": "stern",
        "optional": false
      },
      {
        "id": "083-7",
        "name": "bridge",
        "optional": true
      },
      {
        "id": "083-8",
        "name": "railings",
        "optional": true
      },
      {
        "id": "083-9",
        "name": "waterline",
        "optional": true
      }
    ]
  },
  "cupcake": {
    "class_id": "084",
    "total_elements": 6,
    "elements": [
      {
        "id": "084-1",
        "name": "wrapper",
        "optional": false
      },
      {
        "id": "084-2",
        "name": "base",
        "optional": false
      },
      {
        "id": "084-3",
        "name": "frosting",
        "optional": false
      },
      {
        "id": "084-4",
        "name": "sprinkles",
        "optional": true
      },
      {
        "id": "084-5",
        "name": "topping",
        "optional": true
      },
      {
        "id": "084-6",
        "name": "wrapper_pleats",
        "optional": false
      }
    ]
  },
  "dandelion": {
    "class_id": "085",
    "total_elements": 9,
    "elements": [
      {
        "id": "085-1",
        "name": "flower_head",
        "optional": false
      },
      {
        "id": "085-2",
        "name": "florets",
        "optional": false
      },
      {
        "id": "085-3",
        "name": "stem",
        "optional": false
      },
      {
        "id": "085-4",
        "name": "leaves",
        "optional": false
      },
      {
        "id": "085-5",
        "name": "seeds",
        "optional": true
      },
      {
        "id": "085-6",
        "name": "seed_heads",
        "optional": true
      },
      {
        "id": "085-7",
        "name": "pappus",
        "optional": true
      },
      {
        "id": "085-8",
        "name": "ground",
        "optional": true
      },
      {
        "id": "085-9",
        "name": "buds",
        "optional": true
      }
    ]
  },
  "deer": {
    "class_id": "086",
    "total_elements": 12,
    "elements": [
      {
        "id": "086-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "086-2",
        "name": "antlers",
        "optional": false
      },
      {
        "id": "086-3",
        "name": "ears",
        "optional": false
      },
      {
        "id": "086-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "086-5",
        "name": "nose",
        "optional": false
      },
      {
        "id": "086-6",
        "name": "mouth",
        "optional": true
      },
      {
        "id": "086-7",
        "name": "neck",
        "optional": false
      },
      {
        "id": "086-8",
        "name": "body",
        "optional": false
      },
      {
        "id": "086-9",
        "name": "legs",
        "optional": false
      },
      {
        "id": "086-10",
        "name": "hooves",
        "optional": false
      },
      {
        "id": "086-11",
        "name": "tail",
        "optional": true
      },
      {
        "id": "086-12",
        "name": "spots",
        "optional": true
      }
    ]
  },
  "diamond": {
    "class_id": "087",
    "total_elements": 5,
    "elements": [
      {
        "id": "087-1",
        "name": "top_facet",
        "optional": false
      },
      {
        "id": "087-2",
        "name": "side_facets",
        "optional": false
      },
      {
        "id": "087-3",
        "name": "crown",
        "optional": false
      },
      {
        "id": "087-4",
        "name": "girdle",
        "optional": false
      },
      {
        "id": "087-5",
        "name": "pavilion",
        "optional": false
      }
    ]
  },
  "dog": {
    "class_id": "088",
    "total_elements": 15,
    "elements": [
      {
        "id": "088-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "088-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "088-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "088-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "088-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "088-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "088-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "088-8",
        "name": "tail",
        "optional": false
      },
      {
        "id": "088-9",
        "name": "paws",
        "optional": false
      },
      {
        "id": "088-10",
        "name": "tongue",
        "optional": true
      },
      {
        "id": "088-11",
        "name": "fur",
        "optional": true
      },
      {
        "id": "088-12",
        "name": "collar",
        "optional": true
      },
      {
        "id": "088-13",
        "name": "whiskers",
        "optional": true
      },
      {
        "id": "088-14",
        "name": "teeth",
        "optional": true
      },
      {
        "id": "088-15",
        "name": "fur_markings",
        "optional": true
      }
    ]
  },
  "dolphin": {
    "class_id": "089",
    "total_elements": 12,
    "elements": [
      {
        "id": "089-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "089-2",
        "name": "dorsal_fin",
        "optional": false
      },
      {
        "id": "089-3",
        "name": "tail_flukes",
        "optional": false
      },
      {
        "id": "089-4",
        "name": "pectoral_fins",
        "optional": false
      },
      {
        "id": "089-5",
        "name": "head",
        "optional": false
      },
      {
        "id": "089-6",
        "name": "beak",
        "optional": false
      },
      {
        "id": "089-7",
        "name": "eye",
        "optional": false
      },
      {
        "id": "089-8",
        "name": "blowhole",
        "optional": true
      },
      {
        "id": "089-9",
        "name": "smile",
        "optional": true
      },
      {
        "id": "089-10",
        "name": "skin_texture",
        "optional": true
      },
      {
        "id": "089-11",
        "name": "water_splash",
        "optional": true
      },
      {
        "id": "089-12",
        "name": "wave",
        "optional": true
      }
    ]
  },
  "donut": {
    "class_id": "090",
    "total_elements": 6,
    "elements": [
      {
        "id": "090-1",
        "name": "outer_ring",
        "optional": false
      },
      {
        "id": "090-2",
        "name": "inner_hole",
        "optional": false
      },
      {
        "id": "090-3",
        "name": "glaze",
        "optional": true
      },
      {
        "id": "090-4",
        "name": "sprinkles",
        "optional": true
      },
      {
        "id": "090-5",
        "name": "powdered_sugar",
        "optional": true
      },
      {
        "id": "090-6",
        "name": "bite_mark",
        "optional": true
      }
    ]
  },
  "door": {
    "class_id": "091",
    "total_elements": 8,
    "elements": [
      {
        "id": "091-1",
        "name": "panel",
        "optional": false
      },
      {
        "id": "091-2",
        "name": "frame",
        "optional": false
      },
      {
        "id": "091-3",
        "name": "handle",
        "optional": false
      },
      {
        "id": "091-4",
        "name": "hinge",
        "optional": false
      },
      {
        "id": "091-5",
        "name": "knocker",
        "optional": true
      },
      {
        "id": "091-6",
        "name": "window",
        "optional": true
      },
      {
        "id": "091-7",
        "name": "threshold",
        "optional": false
      },
      {
        "id": "091-8",
        "name": "lock",
        "optional": false
      }
    ]
  },
  "dragon": {
    "class_id": "092",
    "total_elements": 15,
    "elements": [
      {
        "id": "092-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "092-2",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "092-3",
        "name": "horns",
        "optional": true
      },
      {
        "id": "092-4",
        "name": "nostrils",
        "optional": true
      },
      {
        "id": "092-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "092-6",
        "name": "teeth",
        "optional": false
      },
      {
        "id": "092-7",
        "name": "body",
        "optional": false
      },
      {
        "id": "092-8",
        "name": "wings",
        "optional": false
      },
      {
        "id": "092-9",
        "name": "legs",
        "optional": false
      },
      {
        "id": "092-10",
        "name": "claws",
        "optional": true
      },
      {
        "id": "092-11",
        "name": "tail",
        "optional": false
      },
      {
        "id": "092-12",
        "name": "scales",
        "optional": true
      },
      {
        "id": "092-13",
        "name": "spikes",
        "optional": true
      },
      {
        "id": "092-14",
        "name": "fire",
        "optional": true
      },
      {
        "id": "092-15",
        "name": "belly",
        "optional": false
      }
    ]
  },
  "dragonfly": {
    "class_id": "093",
    "total_elements": 13,
    "elements": [
      {
        "id": "093-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "093-2",
        "name": "compound_eyes",
        "optional": false
      },
      {
        "id": "093-3",
        "name": "thorax",
        "optional": false
      },
      {
        "id": "093-4",
        "name": "abdomen",
        "optional": false
      },
      {
        "id": "093-5",
        "name": "wings",
        "optional": false
      },
      {
        "id": "093-6",
        "name": "legs",
        "optional": false
      },
      {
        "id": "093-7",
        "name": "wing_veins",
        "optional": true
      },
      {
        "id": "093-8",
        "name": "antennae",
        "optional": true
      },
      {
        "id": "093-9",
        "name": "mouthparts",
        "optional": true
      },
      {
        "id": "093-10",
        "name": "wing_nodules",
        "optional": true
      },
      {
        "id": "093-11",
        "name": "tail",
        "optional": true
      },
      {
        "id": "093-12",
        "name": "resting_position",
        "optional": true
      },
      {
        "id": "093-13",
        "name": "flight_motion",
        "optional": true
      }
    ]
  },
  "drawer": {
    "class_id": "094",
    "total_elements": 5,
    "elements": [
      {
        "id": "094-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "094-2",
        "name": "front_panel",
        "optional": false
      },
      {
        "id": "094-3",
        "name": "handle",
        "optional": false
      },
      {
        "id": "094-4",
        "name": "sides",
        "optional": false
      },
      {
        "id": "094-5",
        "name": "legs",
        "optional": true
      }
    ]
  },
  "drill": {
    "class_id": "095",
    "total_elements": 9,
    "elements": [
      {
        "id": "095-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "095-2",
        "name": "handle",
        "optional": false
      },
      {
        "id": "095-3",
        "name": "trigger",
        "optional": false
      },
      {
        "id": "095-4",
        "name": "chuck",
        "optional": false
      },
      {
        "id": "095-5",
        "name": "drill_bit",
        "optional": false
      },
      {
        "id": "095-6",
        "name": "battery",
        "optional": true
      },
      {
        "id": "095-7",
        "name": "vent",
        "optional": true
      },
      {
        "id": "095-8",
        "name": "clutch_setting",
        "optional": true
      },
      {
        "id": "095-9",
        "name": "cord",
        "optional": true
      }
    ]
  },
  "drums": {
    "class_id": "096",
    "total_elements": 9,
    "elements": [
      {
        "id": "096-1",
        "name": "drum_shell",
        "optional": false
      },
      {
        "id": "096-2",
        "name": "drum_head",
        "optional": false
      },
      {
        "id": "096-3",
        "name": "drum_sticks",
        "optional": true
      },
      {
        "id": "096-4",
        "name": "tension_rods",
        "optional": true
      },
      {
        "id": "096-5",
        "name": "hoops",
        "optional": false
      },
      {
        "id": "096-6",
        "name": "bass_drum",
        "optional": true
      },
      {
        "id": "096-7",
        "name": "tom-toms",
        "optional": true
      },
      {
        "id": "096-8",
        "name": "hi-hat",
        "optional": true
      },
      {
        "id": "096-9",
        "name": "cymbals",
        "optional": true
      }
    ]
  },
  "duck": {
    "class_id": "097",
    "total_elements": 13,
    "elements": [
      {
        "id": "097-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "097-2",
        "name": "beak",
        "optional": false
      },
      {
        "id": "097-3",
        "name": "eye",
        "optional": false
      },
      {
        "id": "097-4",
        "name": "body",
        "optional": false
      },
      {
        "id": "097-5",
        "name": "wing",
        "optional": false
      },
      {
        "id": "097-6",
        "name": "leg",
        "optional": false
      },
      {
        "id": "097-7",
        "name": "webbed_foot",
        "optional": false
      },
      {
        "id": "097-8",
        "name": "tail",
        "optional": false
      },
      {
        "id": "097-9",
        "name": "feather_detail",
        "optional": true
      },
      {
        "id": "097-10",
        "name": "neck",
        "optional": false
      },
      {
        "id": "097-11",
        "name": "water",
        "optional": true
      },
      {
        "id": "097-12",
        "name": "nostril",
        "optional": true
      },
      {
        "id": "097-13",
        "name": "breast",
        "optional": false
      }
    ]
  },
  "dumbbell": {
    "class_id": "098",
    "total_elements": 4,
    "elements": [
      {
        "id": "098-1",
        "name": "weight_plate",
        "optional": false
      },
      {
        "id": "098-2",
        "name": "handle",
        "optional": false
      },
      {
        "id": "098-3",
        "name": "weight_plate_hole",
        "optional": true
      },
      {
        "id": "098-4",
        "name": "end_cap",
        "optional": true
      }
    ]
  },
  "ear": {
    "class_id": "099",
    "total_elements": 11,
    "elements": [
      {
        "id": "099-1",
        "name": "outer_ear",
        "optional": false
      },
      {
        "id": "099-2",
        "name": "ear_lobe",
        "optional": false
      },
      {
        "id": "099-3",
        "name": "helix",
        "optional": false
      },
      {
        "id": "099-4",
        "name": "antihelix",
        "optional": false
      },
      {
        "id": "099-5",
        "name": "tragus",
        "optional": false
      },
      {
        "id": "099-6",
        "name": "antitragus",
        "optional": true
      },
      {
        "id": "099-7",
        "name": "concha",
        "optional": false
      },
      {
        "id": "099-8",
        "name": "ear_canal",
        "optional": true
      },
      {
        "id": "099-9",
        "name": "head",
        "optional": true
      },
      {
        "id": "099-10",
        "name": "earring",
        "optional": true
      },
      {
        "id": "099-11",
        "name": "sound_line",
        "optional": true
      }
    ]
  },
  "eiffel_tower": {
    "class_id": "100",
    "total_elements": 9,
    "elements": [
      {
        "id": "100-1",
        "name": "base",
        "optional": false
      },
      {
        "id": "100-2",
        "name": "pillars",
        "optional": false
      },
      {
        "id": "100-3",
        "name": "arches",
        "optional": false
      },
      {
        "id": "100-4",
        "name": "second_level",
        "optional": false
      },
      {
        "id": "100-5",
        "name": "upper_pillars",
        "optional": false
      },
      {
        "id": "100-6",
        "name": "third_level",
        "optional": false
      },
      {
        "id": "100-7",
        "name": "spire",
        "optional": false
      },
      {
        "id": "100-8",
        "name": "cross_bracing",
        "optional": true
      },
      {
        "id": "100-9",
        "name": "antenna",
        "optional": true
      }
    ]
  },
  "elephant": {
    "class_id": "101",
    "total_elements": 12,
    "elements": [
      {
        "id": "101-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "101-2",
        "name": "trunk",
        "optional": false
      },
      {
        "id": "101-3",
        "name": "ears",
        "optional": false
      },
      {
        "id": "101-4",
        "name": "tusks",
        "optional": true
      },
      {
        "id": "101-5",
        "name": "body",
        "optional": false
      },
      {
        "id": "101-6",
        "name": "legs",
        "optional": false
      },
      {
        "id": "101-7",
        "name": "tail",
        "optional": true
      },
      {
        "id": "101-8",
        "name": "toes",
        "optional": true
      },
      {
        "id": "101-9",
        "name": "eye",
        "optional": false
      },
      {
        "id": "101-10",
        "name": "mouth",
        "optional": true
      },
      {
        "id": "101-11",
        "name": "wrinkles",
        "optional": true
      },
      {
        "id": "101-12",
        "name": "belly",
        "optional": true
      }
    ]
  },
  "envelope": {
    "class_id": "102",
    "total_elements": 4,
    "elements": [
      {
        "id": "102-1",
        "name": "rectangular_body",
        "optional": false
      },
      {
        "id": "102-2",
        "name": "flap",
        "optional": false
      },
      {
        "id": "102-3",
        "name": "seal_line",
        "optional": false
      },
      {
        "id": "102-4",
        "name": "address_area",
        "optional": true
      }
    ]
  },
  "eye": {
    "class_id": "103",
    "total_elements": 7,
    "elements": [
      {
        "id": "103-1",
        "name": "iris",
        "optional": false
      },
      {
        "id": "103-2",
        "name": "pupil",
        "optional": false
      },
      {
        "id": "103-3",
        "name": "sclera",
        "optional": false
      },
      {
        "id": "103-4",
        "name": "eyelid",
        "optional": false
      },
      {
        "id": "103-5",
        "name": "eyelashes",
        "optional": true
      },
      {
        "id": "103-6",
        "name": "tear_duct",
        "optional": true
      },
      {
        "id": "103-7",
        "name": "eyebrow",
        "optional": true
      }
    ]
  },
  "fan": {
    "class_id": "104",
    "total_elements": 8,
    "elements": [
      {
        "id": "104-1",
        "name": "base",
        "optional": false
      },
      {
        "id": "104-2",
        "name": "pole",
        "optional": false
      },
      {
        "id": "104-3",
        "name": "blades",
        "optional": false
      },
      {
        "id": "104-4",
        "name": "guard",
        "optional": false
      },
      {
        "id": "104-5",
        "name": "motor_housing",
        "optional": false
      },
      {
        "id": "104-6",
        "name": "speed_control",
        "optional": true
      },
      {
        "id": "104-7",
        "name": "power_cord",
        "optional": true
      },
      {
        "id": "104-8",
        "name": "environmental_airflow",
        "optional": true
      }
    ]
  },
  "feather": {
    "class_id": "105",
    "total_elements": 8,
    "elements": [
      {
        "id": "105-1",
        "name": "quill",
        "optional": false
      },
      {
        "id": "105-2",
        "name": "barbs",
        "optional": false
      },
      {
        "id": "105-3",
        "name": "vane",
        "optional": false
      },
      {
        "id": "105-4",
        "name": "fused_barbs",
        "optional": true
      },
      {
        "id": "105-5",
        "name": "separated_barbs",
        "optional": false
      },
      {
        "id": "105-6",
        "name": "tip",
        "optional": false
      },
      {
        "id": "105-7",
        "name": "base",
        "optional": false
      },
      {
        "id": "105-8",
        "name": "fluff",
        "optional": true
      }
    ]
  },
  "fence": {
    "class_id": "106",
    "total_elements": 7,
    "elements": [
      {
        "id": "106-1",
        "name": "vertical_posts",
        "optional": false
      },
      {
        "id": "106-2",
        "name": "horizontal_rails",
        "optional": false
      },
      {
        "id": "106-3",
        "name": "pickets",
        "optional": false
      },
      {
        "id": "106-4",
        "name": "post_caps",
        "optional": true
      },
      {
        "id": "106-5",
        "name": "base",
        "optional": true
      },
      {
        "id": "106-6",
        "name": "nails",
        "optional": true
      },
      {
        "id": "106-7",
        "name": "wire",
        "optional": true
      }
    ]
  },
  "ferris_wheel": {
    "class_id": "107",
    "total_elements": 8,
    "elements": [
      {
        "id": "107-1",
        "name": "wheel",
        "optional": false
      },
      {
        "id": "107-2",
        "name": "spokes",
        "optional": false
      },
      {
        "id": "107-3",
        "name": "hub",
        "optional": false
      },
      {
        "id": "107-4",
        "name": "cabins",
        "optional": false
      },
      {
        "id": "107-5",
        "name": "support_structure",
        "optional": false
      },
      {
        "id": "107-6",
        "name": "axle",
        "optional": true
      },
      {
        "id": "107-7",
        "name": "rotation_direction",
        "optional": true
      },
      {
        "id": "107-8",
        "name": "queue_area",
        "optional": true
      }
    ]
  },
  "fire_hydrant": {
    "class_id": "108",
    "total_elements": 8,
    "elements": [
      {
        "id": "108-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "108-2",
        "name": "top_cap",
        "optional": false
      },
      {
        "id": "108-3",
        "name": "side_nozzles",
        "optional": false
      },
      {
        "id": "108-4",
        "name": "bolts",
        "optional": true
      },
      {
        "id": "108-5",
        "name": "base_flange",
        "optional": false
      },
      {
        "id": "108-6",
        "name": "chain",
        "optional": true
      },
      {
        "id": "108-7",
        "name": "outlet_caps",
        "optional": true
      },
      {
        "id": "108-8",
        "name": "ridges",
        "optional": true
      }
    ]
  },
  "fireplace": {
    "class_id": "109",
    "total_elements": 9,
    "elements": [
      {
        "id": "109-1",
        "name": "mantel",
        "optional": false
      },
      {
        "id": "109-2",
        "name": "hearth",
        "optional": false
      },
      {
        "id": "109-3",
        "name": "firebox",
        "optional": false
      },
      {
        "id": "109-4",
        "name": "chimney",
        "optional": false
      },
      {
        "id": "109-5",
        "name": "ash_pit",
        "optional": true
      },
      {
        "id": "109-6",
        "name": "fire",
        "optional": false
      },
      {
        "id": "109-7",
        "name": "logs",
        "optional": true
      },
      {
        "id": "109-8",
        "name": "andirons",
        "optional": true
      },
      {
        "id": "109-9",
        "name": "fire_guard",
        "optional": true
      }
    ]
  },
  "fish": {
    "class_id": "110",
    "total_elements": 13,
    "elements": [
      {
        "id": "110-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "110-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "110-3",
        "name": "tail_fin",
        "optional": false
      },
      {
        "id": "110-4",
        "name": "dorsal_fin",
        "optional": false
      },
      {
        "id": "110-5",
        "name": "pectoral_fins",
        "optional": false
      },
      {
        "id": "110-6",
        "name": "pelvic_fins",
        "optional": true
      },
      {
        "id": "110-7",
        "name": "anal_fin",
        "optional": true
      },
      {
        "id": "110-8",
        "name": "gills",
        "optional": false
      },
      {
        "id": "110-9",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "110-10",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "110-11",
        "name": "scales",
        "optional": true
      },
      {
        "id": "110-12",
        "name": "water_environment",
        "optional": true
      },
      {
        "id": "110-13",
        "name": "markings",
        "optional": true
      }
    ]
  },
  "flamingo": {
    "class_id": "111",
    "total_elements": 14,
    "elements": [
      {
        "id": "111-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "111-2",
        "name": "beak",
        "optional": false
      },
      {
        "id": "111-3",
        "name": "eye",
        "optional": false
      },
      {
        "id": "111-4",
        "name": "neck",
        "optional": false
      },
      {
        "id": "111-5",
        "name": "body",
        "optional": false
      },
      {
        "id": "111-6",
        "name": "wing",
        "optional": false
      },
      {
        "id": "111-7",
        "name": "leg",
        "optional": false
      },
      {
        "id": "111-8",
        "name": "knee",
        "optional": false
      },
      {
        "id": "111-9",
        "name": "foot",
        "optional": false
      },
      {
        "id": "111-10",
        "name": "tail",
        "optional": false
      },
      {
        "id": "111-11",
        "name": "feather",
        "optional": true
      },
      {
        "id": "111-12",
        "name": "water",
        "optional": true
      },
      {
        "id": "111-13",
        "name": "standing_pose",
        "optional": true
      },
      {
        "id": "111-14",
        "name": "bent_neck",
        "optional": true
      }
    ]
  },
  "flip_flops": {
    "class_id": "112",
    "total_elements": 6,
    "elements": [
      {
        "id": "112-1",
        "name": "sole",
        "optional": false
      },
      {
        "id": "112-2",
        "name": "toe_strap",
        "optional": false
      },
      {
        "id": "112-3",
        "name": "side_straps",
        "optional": false
      },
      {
        "id": "112-4",
        "name": "strap_attachment_points",
        "optional": false
      },
      {
        "id": "112-5",
        "name": "decoration",
        "optional": true
      },
      {
        "id": "112-6",
        "name": "cushion_layer",
        "optional": true
      }
    ]
  },
  "floor_lamp": {
    "class_id": "113",
    "total_elements": 11,
    "elements": [
      {
        "id": "113-1",
        "name": "base",
        "optional": false
      },
      {
        "id": "113-2",
        "name": "pole",
        "optional": false
      },
      {
        "id": "113-3",
        "name": "lamp_shade",
        "optional": false
      },
      {
        "id": "113-4",
        "name": "bulb",
        "optional": false
      },
      {
        "id": "113-5",
        "name": "switch",
        "optional": false
      },
      {
        "id": "113-6",
        "name": "cord",
        "optional": false
      },
      {
        "id": "113-7",
        "name": "decorative_elements",
        "optional": true
      },
      {
        "id": "113-8",
        "name": "adjustable_arm",
        "optional": true
      },
      {
        "id": "113-9",
        "name": "diffuser",
        "optional": true
      },
      {
        "id": "113-10",
        "name": "weight",
        "optional": true
      },
      {
        "id": "113-11",
        "name": "dimmer",
        "optional": true
      }
    ]
  },
  "flower": {
    "class_id": "114",
    "total_elements": 8,
    "elements": [
      {
        "id": "114-1",
        "name": "petal",
        "optional": false
      },
      {
        "id": "114-2",
        "name": "stem",
        "optional": false
      },
      {
        "id": "114-3",
        "name": "center",
        "optional": false
      },
      {
        "id": "114-4",
        "name": "leaf",
        "optional": true
      },
      {
        "id": "114-5",
        "name": "sepal",
        "optional": true
      },
      {
        "id": "114-6",
        "name": "bud",
        "optional": true
      },
      {
        "id": "114-7",
        "name": "stamen",
        "optional": true
      },
      {
        "id": "114-8",
        "name": "ground",
        "optional": true
      }
    ]
  },
  "flying_saucer": {
    "class_id": "115",
    "total_elements": 6,
    "elements": [
      {
        "id": "115-1",
        "name": "dome",
        "optional": false
      },
      {
        "id": "115-2",
        "name": "disk",
        "optional": false
      },
      {
        "id": "115-3",
        "name": "landing_gear",
        "optional": true
      },
      {
        "id": "115-4",
        "name": "lights",
        "optional": true
      },
      {
        "id": "115-5",
        "name": "antenna",
        "optional": true
      },
      {
        "id": "115-6",
        "name": "beam",
        "optional": true
      }
    ]
  },
  "foot": {
    "class_id": "116",
    "total_elements": 9,
    "elements": [
      {
        "id": "116-1",
        "name": "toes",
        "optional": false
      },
      {
        "id": "116-2",
        "name": "heel",
        "optional": false
      },
      {
        "id": "116-3",
        "name": "arch",
        "optional": false
      },
      {
        "id": "116-4",
        "name": "ball",
        "optional": false
      },
      {
        "id": "116-5",
        "name": "ankle",
        "optional": false
      },
      {
        "id": "116-6",
        "name": "toenails",
        "optional": true
      },
      {
        "id": "116-7",
        "name": "footprint",
        "optional": true
      },
      {
        "id": "116-8",
        "name": "ankle_bone",
        "optional": true
      },
      {
        "id": "116-9",
        "name": "foot_wrinkles",
        "optional": true
      }
    ]
  },
  "fork": {
    "class_id": "117",
    "total_elements": 7,
    "elements": [
      {
        "id": "117-1",
        "name": "tines",
        "optional": false
      },
      {
        "id": "117-2",
        "name": "handle",
        "optional": false
      },
      {
        "id": "117-3",
        "name": "neck",
        "optional": false
      },
      {
        "id": "117-4",
        "name": "base",
        "optional": true
      },
      {
        "id": "117-5",
        "name": "tine_gap",
        "optional": false
      },
      {
        "id": "117-6",
        "name": "tine_curve",
        "optional": true
      },
      {
        "id": "117-7",
        "name": "decorative_elements",
        "optional": true
      }
    ]
  },
  "fountain": {
    "class_id": "118",
    "total_elements": 8,
    "elements": [
      {
        "id": "118-1",
        "name": "base",
        "optional": false
      },
      {
        "id": "118-2",
        "name": "basin",
        "optional": false
      },
      {
        "id": "118-3",
        "name": "central_column",
        "optional": false
      },
      {
        "id": "118-4",
        "name": "water_streams",
        "optional": false
      },
      {
        "id": "118-5",
        "name": "upper_tier",
        "optional": true
      },
      {
        "id": "118-6",
        "name": "water_pool",
        "optional": true
      },
      {
        "id": "118-7",
        "name": "nozzles",
        "optional": true
      },
      {
        "id": "118-8",
        "name": "decorative_elements",
        "optional": true
      }
    ]
  },
  "frog": {
    "class_id": "119",
    "total_elements": 13,
    "elements": [
      {
        "id": "119-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "119-2",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "119-3",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "119-4",
        "name": "body",
        "optional": false
      },
      {
        "id": "119-5",
        "name": "legs",
        "optional": false
      },
      {
        "id": "119-6",
        "name": "toes",
        "optional": true
      },
      {
        "id": "119-7",
        "name": "body_pattern",
        "optional": true
      },
      {
        "id": "119-8",
        "name": "nostrils",
        "optional": true
      },
      {
        "id": "119-9",
        "name": "belly",
        "optional": true
      },
      {
        "id": "119-10",
        "name": "tongue",
        "optional": true
      },
      {
        "id": "119-11",
        "name": "environment_water",
        "optional": true
      },
      {
        "id": "119-12",
        "name": "jump_motion",
        "optional": true
      },
      {
        "id": "119-13",
        "name": "sitting_posture",
        "optional": false
      }
    ]
  },
  "frying_pan": {
    "class_id": "120",
    "total_elements": 6,
    "elements": [
      {
        "id": "120-1",
        "name": "base",
        "optional": false
      },
      {
        "id": "120-2",
        "name": "sides",
        "optional": false
      },
      {
        "id": "120-3",
        "name": "handle",
        "optional": false
      },
      {
        "id": "120-4",
        "name": "rivet",
        "optional": true
      },
      {
        "id": "120-5",
        "name": "contents",
        "optional": true
      },
      {
        "id": "120-6",
        "name": "lid",
        "optional": true
      }
    ]
  },
  "garlic": {
    "class_id": "121",
    "total_elements": 8,
    "elements": [
      {
        "id": "121-1",
        "name": "bulb",
        "optional": false
      },
      {
        "id": "121-2",
        "name": "clove",
        "optional": false
      },
      {
        "id": "121-3",
        "name": "stem",
        "optional": true
      },
      {
        "id": "121-4",
        "name": "root",
        "optional": true
      },
      {
        "id": "121-5",
        "name": "skin",
        "optional": false
      },
      {
        "id": "121-6",
        "name": "segment_line",
        "optional": false
      },
      {
        "id": "121-7",
        "name": "ridges",
        "optional": true
      },
      {
        "id": "121-8",
        "name": "shadow",
        "optional": true
      }
    ]
  },
  "giraffe": {
    "class_id": "122",
    "total_elements": 15,
    "elements": [
      {
        "id": "122-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "122-2",
        "name": "neck",
        "optional": false
      },
      {
        "id": "122-3",
        "name": "head",
        "optional": false
      },
      {
        "id": "122-4",
        "name": "legs",
        "optional": false
      },
      {
        "id": "122-5",
        "name": "ears",
        "optional": false
      },
      {
        "id": "122-6",
        "name": "horns",
        "optional": false
      },
      {
        "id": "122-7",
        "name": "tail",
        "optional": false
      },
      {
        "id": "122-8",
        "name": "spots",
        "optional": false
      },
      {
        "id": "122-9",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "122-10",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "122-11",
        "name": "hooves",
        "optional": false
      },
      {
        "id": "122-12",
        "name": "mane",
        "optional": true
      },
      {
        "id": "122-13",
        "name": "trees",
        "optional": true
      },
      {
        "id": "122-14",
        "name": "tongue",
        "optional": true
      },
      {
        "id": "122-15",
        "name": "nostrils",
        "optional": true
      }
    ]
  },
  "golf_club": {
    "class_id": "123",
    "total_elements": 8,
    "elements": [
      {
        "id": "123-1",
        "name": "shaft",
        "optional": false
      },
      {
        "id": "123-2",
        "name": "grip",
        "optional": false
      },
      {
        "id": "123-3",
        "name": "head",
        "optional": false
      },
      {
        "id": "123-4",
        "name": "face",
        "optional": false
      },
      {
        "id": "123-5",
        "name": "hosel",
        "optional": false
      },
      {
        "id": "123-6",
        "name": "heel",
        "optional": false
      },
      {
        "id": "123-7",
        "name": "toe",
        "optional": false
      },
      {
        "id": "123-8",
        "name": "sole",
        "optional": false
      }
    ]
  },
  "goose": {
    "class_id": "124",
    "total_elements": 14,
    "elements": [
      {
        "id": "124-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "124-2",
        "name": "beak",
        "optional": false
      },
      {
        "id": "124-3",
        "name": "neck",
        "optional": false
      },
      {
        "id": "124-4",
        "name": "body",
        "optional": false
      },
      {
        "id": "124-5",
        "name": "wings",
        "optional": false
      },
      {
        "id": "124-6",
        "name": "webbed_feet",
        "optional": false
      },
      {
        "id": "124-7",
        "name": "tail",
        "optional": false
      },
      {
        "id": "124-8",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "124-9",
        "name": "feathers",
        "optional": true
      },
      {
        "id": "124-10",
        "name": "water",
        "optional": true
      },
      {
        "id": "124-11",
        "name": "legs",
        "optional": false
      },
      {
        "id": "124-12",
        "name": "nostrils",
        "optional": true
      },
      {
        "id": "124-13",
        "name": "wing_feathers",
        "optional": true
      },
      {
        "id": "124-14",
        "name": "neck_bend",
        "optional": true
      }
    ]
  },
  "grapes": {
    "class_id": "125",
    "total_elements": 5,
    "elements": [
      {
        "id": "125-1",
        "name": "cluster",
        "optional": false
      },
      {
        "id": "125-2",
        "name": "grape",
        "optional": false
      },
      {
        "id": "125-3",
        "name": "stem",
        "optional": false
      },
      {
        "id": "125-4",
        "name": "pedicle",
        "optional": false
      },
      {
        "id": "125-5",
        "name": "leaf",
        "optional": true
      }
    ]
  },
  "grenade": {
    "class_id": "126",
    "total_elements": 6,
    "elements": [
      {
        "id": "126-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "126-2",
        "name": "handle",
        "optional": false
      },
      {
        "id": "126-3",
        "name": "pin",
        "optional": false
      },
      {
        "id": "126-4",
        "name": "ring",
        "optional": true
      },
      {
        "id": "126-5",
        "name": "segments",
        "optional": true
      },
      {
        "id": "126-6",
        "name": "fuse",
        "optional": true
      }
    ]
  },
  "guitar": {
    "class_id": "127",
    "total_elements": 10,
    "elements": [
      {
        "id": "127-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "127-2",
        "name": "neck",
        "optional": false
      },
      {
        "id": "127-3",
        "name": "headstock",
        "optional": false
      },
      {
        "id": "127-4",
        "name": "strings",
        "optional": false
      },
      {
        "id": "127-5",
        "name": "fretboard",
        "optional": false
      },
      {
        "id": "127-6",
        "name": "frets",
        "optional": false
      },
      {
        "id": "127-7",
        "name": "sound_hole",
        "optional": false
      },
      {
        "id": "127-8",
        "name": "bridge",
        "optional": false
      },
      {
        "id": "127-9",
        "name": "tuning_pegs",
        "optional": false
      },
      {
        "id": "127-10",
        "name": "pickguard",
        "optional": true
      }
    ]
  },
  "hamburger": {
    "class_id": "128",
    "total_elements": 9,
    "elements": [
      {
        "id": "128-1",
        "name": "top_bun",
        "optional": false
      },
      {
        "id": "128-2",
        "name": "sesame_seeds",
        "optional": true
      },
      {
        "id": "128-3",
        "name": "bottom_bun",
        "optional": false
      },
      {
        "id": "128-4",
        "name": "patty",
        "optional": false
      },
      {
        "id": "128-5",
        "name": "lettuce",
        "optional": true
      },
      {
        "id": "128-6",
        "name": "tomato",
        "optional": true
      },
      {
        "id": "128-7",
        "name": "cheese",
        "optional": true
      },
      {
        "id": "128-8",
        "name": "pickles",
        "optional": true
      },
      {
        "id": "128-9",
        "name": "onion",
        "optional": true
      }
    ]
  },
  "hammer": {
    "class_id": "129",
    "total_elements": 7,
    "elements": [
      {
        "id": "129-1",
        "name": "handle",
        "optional": false
      },
      {
        "id": "129-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "129-3",
        "name": "claw",
        "optional": false
      },
      {
        "id": "129-4",
        "name": "face",
        "optional": false
      },
      {
        "id": "129-5",
        "name": "neck",
        "optional": false
      },
      {
        "id": "129-6",
        "name": "peen",
        "optional": true
      },
      {
        "id": "129-7",
        "name": "grip",
        "optional": true
      }
    ]
  },
  "hand": {
    "class_id": "130",
    "total_elements": 13,
    "elements": [
      {
        "id": "130-1",
        "name": "palm",
        "optional": false
      },
      {
        "id": "130-2",
        "name": "thumb",
        "optional": false
      },
      {
        "id": "130-3",
        "name": "index_finger",
        "optional": false
      },
      {
        "id": "130-4",
        "name": "middle_finger",
        "optional": false
      },
      {
        "id": "130-5",
        "name": "ring_finger",
        "optional": false
      },
      {
        "id": "130-6",
        "name": "little_finger",
        "optional": false
      },
      {
        "id": "130-7",
        "name": "knuckles",
        "optional": false
      },
      {
        "id": "130-8",
        "name": "finger_joints",
        "optional": true
      },
      {
        "id": "130-9",
        "name": "finger_print",
        "optional": true
      },
      {
        "id": "130-10",
        "name": "wrist",
        "optional": false
      },
      {
        "id": "130-11",
        "name": "nails",
        "optional": true
      },
      {
        "id": "130-12",
        "name": "lines",
        "optional": true
      },
      {
        "id": "130-13",
        "name": "veins",
        "optional": true
      }
    ]
  },
  "harp": {
    "class_id": "131",
    "total_elements": 10,
    "elements": [
      {
        "id": "131-1",
        "name": "frame",
        "optional": false
      },
      {
        "id": "131-2",
        "name": "strings",
        "optional": false
      },
      {
        "id": "131-3",
        "name": "soundboard",
        "optional": false
      },
      {
        "id": "131-4",
        "name": "column",
        "optional": false
      },
      {
        "id": "131-5",
        "name": "pedals",
        "optional": true
      },
      {
        "id": "131-6",
        "name": "neck",
        "optional": false
      },
      {
        "id": "131-7",
        "name": "tuning_pegs",
        "optional": true
      },
      {
        "id": "131-8",
        "name": "base",
        "optional": false
      },
      {
        "id": "131-9",
        "name": "decorative_finial",
        "optional": true
      },
      {
        "id": "131-10",
        "name": "contextual_stand",
        "optional": true
      }
    ]
  },
  "hat": {
    "class_id": "132",
    "total_elements": 8,
    "elements": [
      {
        "id": "132-1",
        "name": "crown",
        "optional": false
      },
      {
        "id": "132-2",
        "name": "brim",
        "optional": true
      },
      {
        "id": "132-3",
        "name": "band",
        "optional": true
      },
      {
        "id": "132-4",
        "name": "peak",
        "optional": true
      },
      {
        "id": "132-5",
        "name": "ear_flaps",
        "optional": true
      },
      {
        "id": "132-6",
        "name": "pom-pom",
        "optional": true
      },
      {
        "id": "132-7",
        "name": "chin_strap",
        "optional": true
      },
      {
        "id": "132-8",
        "name": "feather",
        "optional": true
      }
    ]
  },
  "headphones": {
    "class_id": "133",
    "total_elements": 7,
    "elements": [
      {
        "id": "133-1",
        "name": "headband",
        "optional": false
      },
      {
        "id": "133-2",
        "name": "ear_cup",
        "optional": false
      },
      {
        "id": "133-3",
        "name": "speaker",
        "optional": false
      },
      {
        "id": "133-4",
        "name": "cushion",
        "optional": false
      },
      {
        "id": "133-5",
        "name": "adjustment_slider",
        "optional": true
      },
      {
        "id": "133-6",
        "name": "wire",
        "optional": true
      },
      {
        "id": "133-7",
        "name": "microphone",
        "optional": true
      }
    ]
  },
  "hedgehog": {
    "class_id": "134",
    "total_elements": 11,
    "elements": [
      {
        "id": "134-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "134-2",
        "name": "spines",
        "optional": false
      },
      {
        "id": "134-3",
        "name": "head",
        "optional": false
      },
      {
        "id": "134-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "134-5",
        "name": "nose",
        "optional": false
      },
      {
        "id": "134-6",
        "name": "ears",
        "optional": false
      },
      {
        "id": "134-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "134-8",
        "name": "feet",
        "optional": true
      },
      {
        "id": "134-9",
        "name": "mouth",
        "optional": true
      },
      {
        "id": "134-10",
        "name": "tail",
        "optional": true
      },
      {
        "id": "134-11",
        "name": "snout",
        "optional": true
      }
    ]
  },
  "helicopter": {
    "class_id": "135",
    "total_elements": 8,
    "elements": [
      {
        "id": "135-1",
        "name": "main_rotor",
        "optional": false
      },
      {
        "id": "135-2",
        "name": "tail_rotor",
        "optional": false
      },
      {
        "id": "135-3",
        "name": "fuselage",
        "optional": false
      },
      {
        "id": "135-4",
        "name": "cockpit",
        "optional": false
      },
      {
        "id": "135-5",
        "name": "landing_skids",
        "optional": false
      },
      {
        "id": "135-6",
        "name": "tail_boom",
        "optional": false
      },
      {
        "id": "135-7",
        "name": "windows",
        "optional": true
      },
      {
        "id": "135-8",
        "name": "door",
        "optional": true
      }
    ]
  },
  "helmet": {
    "class_id": "136",
    "total_elements": 10,
    "elements": [
      {
        "id": "136-1",
        "name": "shell",
        "optional": false
      },
      {
        "id": "136-2",
        "name": "brim",
        "optional": true
      },
      {
        "id": "136-3",
        "name": "visor",
        "optional": true
      },
      {
        "id": "136-4",
        "name": "chin_strap",
        "optional": false
      },
      {
        "id": "136-5",
        "name": "padding",
        "optional": false
      },
      {
        "id": "136-6",
        "name": "vent",
        "optional": true
      },
      {
        "id": "136-7",
        "name": "ear_cover",
        "optional": true
      },
      {
        "id": "136-8",
        "name": "neck_guard",
        "optional": true
      },
      {
        "id": "136-9",
        "name": "face_shield",
        "optional": true
      },
      {
        "id": "136-10",
        "name": "retention_system",
        "optional": true
      }
    ]
  },
  "hippopotamus": {
    "class_id": "137",
    "total_elements": 12,
    "elements": [
      {
        "id": "137-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "137-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "137-3",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "137-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "137-5",
        "name": "ears",
        "optional": false
      },
      {
        "id": "137-6",
        "name": "nostrils",
        "optional": false
      },
      {
        "id": "137-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "137-8",
        "name": "tail",
        "optional": false
      },
      {
        "id": "137-9",
        "name": "teeth",
        "optional": true
      },
      {
        "id": "137-10",
        "name": "skin",
        "optional": true
      },
      {
        "id": "137-11",
        "name": "water",
        "optional": true
      },
      {
        "id": "137-12",
        "name": "feet",
        "optional": true
      }
    ]
  },
  "horse": {
    "class_id": "138",
    "total_elements": 12,
    "elements": [
      {
        "id": "138-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "138-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "138-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "138-4",
        "name": "muzzle",
        "optional": false
      },
      {
        "id": "138-5",
        "name": "nostrils",
        "optional": false
      },
      {
        "id": "138-6",
        "name": "neck",
        "optional": false
      },
      {
        "id": "138-7",
        "name": "body",
        "optional": false
      },
      {
        "id": "138-8",
        "name": "legs",
        "optional": false
      },
      {
        "id": "138-9",
        "name": "hooves",
        "optional": false
      },
      {
        "id": "138-10",
        "name": "tail",
        "optional": false
      },
      {
        "id": "138-11",
        "name": "mane",
        "optional": false
      },
      {
        "id": "138-12",
        "name": "mouth",
        "optional": true
      }
    ]
  },
  "hospital": {
    "class_id": "139",
    "total_elements": 5,
    "elements": [
      {
        "id": "139-1",
        "name": "main_building",
        "optional": false
      },
      {
        "id": "139-2",
        "name": "cross_symbol",
        "optional": false
      },
      {
        "id": "139-3",
        "name": "windows",
        "optional": false
      },
      {
        "id": "139-4",
        "name": "entrance",
        "optional": false
      },
      {
        "id": "139-5",
        "name": "signage",
        "optional": true
      }
    ]
  },
  "hot_air_balloon": {
    "class_id": "140",
    "total_elements": 4,
    "elements": [
      {
        "id": "140-1",
        "name": "envelope",
        "optional": false
      },
      {
        "id": "140-2",
        "name": "gores",
        "optional": true
      },
      {
        "id": "140-3",
        "name": "basket",
        "optional": false
      },
      {
        "id": "140-4",
        "name": "rigging",
        "optional": false
      }
    ]
  },
  "hot_dog": {
    "class_id": "141",
    "total_elements": 6,
    "elements": [
      {
        "id": "141-1",
        "name": "bun",
        "optional": false
      },
      {
        "id": "141-2",
        "name": "sausage",
        "optional": false
      },
      {
        "id": "141-3",
        "name": "sauce",
        "optional": true
      },
      {
        "id": "141-4",
        "name": "relish",
        "optional": true
      },
      {
        "id": "141-5",
        "name": "sesame_seeds",
        "optional": true
      },
      {
        "id": "141-6",
        "name": "grill_marks",
        "optional": true
      }
    ]
  },
  "hourglass": {
    "class_id": "142",
    "total_elements": 8,
    "elements": [
      {
        "id": "142-1",
        "name": "top_bulb",
        "optional": false
      },
      {
        "id": "142-2",
        "name": "bottom_bulb",
        "optional": false
      },
      {
        "id": "142-3",
        "name": "narrow_neck",
        "optional": false
      },
      {
        "id": "142-4",
        "name": "sand",
        "optional": false
      },
      {
        "id": "142-5",
        "name": "frame",
        "optional": true
      },
      {
        "id": "142-6",
        "name": "base",
        "optional": true
      },
      {
        "id": "142-7",
        "name": "top_cap",
        "optional": true
      },
      {
        "id": "142-8",
        "name": "sand_flow",
        "optional": false
      }
    ]
  },
  "house": {
    "class_id": "143",
    "total_elements": 8,
    "elements": [
      {
        "id": "143-1",
        "name": "roof",
        "optional": false
      },
      {
        "id": "143-2",
        "name": "walls",
        "optional": false
      },
      {
        "id": "143-3",
        "name": "door",
        "optional": false
      },
      {
        "id": "143-4",
        "name": "window",
        "optional": false
      },
      {
        "id": "143-5",
        "name": "chimney",
        "optional": true
      },
      {
        "id": "143-6",
        "name": "garage",
        "optional": true
      },
      {
        "id": "143-7",
        "name": "door_knob",
        "optional": true
      },
      {
        "id": "143-8",
        "name": "attic_window",
        "optional": true
      }
    ]
  },
  "ice_cream_cone": {
    "class_id": "144",
    "total_elements": 9,
    "elements": [
      {
        "id": "144-1",
        "name": "ice_cream",
        "optional": false
      },
      {
        "id": "144-2",
        "name": "cone",
        "optional": false
      },
      {
        "id": "144-3",
        "name": "drip",
        "optional": true
      },
      {
        "id": "144-4",
        "name": "waffle_texture",
        "optional": false
      },
      {
        "id": "144-5",
        "name": "fruit",
        "optional": true
      },
      {
        "id": "144-6",
        "name": "sprinkles",
        "optional": true
      },
      {
        "id": "144-7",
        "name": "flake",
        "optional": true
      },
      {
        "id": "144-8",
        "name": "napkin",
        "optional": true
      },
      {
        "id": "144-9",
        "name": "multiple_scoops",
        "optional": true
      }
    ]
  },
  "igloo": {
    "class_id": "145",
    "total_elements": 5,
    "elements": [
      {
        "id": "145-1",
        "name": "dome",
        "optional": false
      },
      {
        "id": "145-2",
        "name": "entrance_tunnel",
        "optional": false
      },
      {
        "id": "145-3",
        "name": "blocks",
        "optional": false
      },
      {
        "id": "145-4",
        "name": "snow_pile",
        "optional": true
      },
      {
        "id": "145-5",
        "name": "flag",
        "optional": true
      }
    ]
  },
  "ipod": {
    "class_id": "146",
    "total_elements": 8,
    "elements": [
      {
        "id": "146-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "146-2",
        "name": "screen",
        "optional": false
      },
      {
        "id": "146-3",
        "name": "click_wheel",
        "optional": false
      },
      {
        "id": "146-4",
        "name": "center_button",
        "optional": false
      },
      {
        "id": "146-5",
        "name": "headphone_jack",
        "optional": false
      },
      {
        "id": "146-6",
        "name": "hold_switch",
        "optional": false
      },
      {
        "id": "146-7",
        "name": "dock_connector",
        "optional": false
      },
      {
        "id": "146-8",
        "name": "logo",
        "optional": true
      }
    ]
  },
  "jack_o_lantern": {
    "class_id": "147",
    "total_elements": 11,
    "elements": [
      {
        "id": "147-1",
        "name": "pumpkin_body",
        "optional": false
      },
      {
        "id": "147-2",
        "name": "carved_face",
        "optional": false
      },
      {
        "id": "147-3",
        "name": "eye_holes",
        "optional": false
      },
      {
        "id": "147-4",
        "name": "nose_hole",
        "optional": false
      },
      {
        "id": "147-5",
        "name": "mouth_hole",
        "optional": false
      },
      {
        "id": "147-6",
        "name": "stem",
        "optional": false
      },
      {
        "id": "147-7",
        "name": "ribbing",
        "optional": true
      },
      {
        "id": "147-8",
        "name": "candle",
        "optional": true
      },
      {
        "id": "147-9",
        "name": "light_glow",
        "optional": true
      },
      {
        "id": "147-10",
        "name": "base",
        "optional": true
      },
      {
        "id": "147-11",
        "name": "cut_top",
        "optional": true
      }
    ]
  },
  "jellyfish": {
    "class_id": "148",
    "total_elements": 6,
    "elements": [
      {
        "id": "148-1",
        "name": "bell",
        "optional": false
      },
      {
        "id": "148-2",
        "name": "tentacles",
        "optional": false
      },
      {
        "id": "148-3",
        "name": "oral_arms",
        "optional": false
      },
      {
        "id": "148-4",
        "name": "radial_canals",
        "optional": true
      },
      {
        "id": "148-5",
        "name": "water",
        "optional": true
      },
      {
        "id": "148-6",
        "name": "markings",
        "optional": true
      }
    ]
  },
  "kangaroo": {
    "class_id": "149",
    "total_elements": 10,
    "elements": [
      {
        "id": "149-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "149-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "149-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "149-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "149-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "149-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "149-7",
        "name": "arms",
        "optional": false
      },
      {
        "id": "149-8",
        "name": "legs",
        "optional": false
      },
      {
        "id": "149-9",
        "name": "tail",
        "optional": false
      },
      {
        "id": "149-10",
        "name": "pouch",
        "optional": false
      }
    ]
  },
  "key": {
    "class_id": "150",
    "total_elements": 7,
    "elements": [
      {
        "id": "150-1",
        "name": "bow",
        "optional": false
      },
      {
        "id": "150-2",
        "name": "shank",
        "optional": false
      },
      {
        "id": "150-3",
        "name": "bit",
        "optional": false
      },
      {
        "id": "150-4",
        "name": "teeth",
        "optional": false
      },
      {
        "id": "150-5",
        "name": "keyring_hole",
        "optional": true
      },
      {
        "id": "150-6",
        "name": "shoulder",
        "optional": true
      },
      {
        "id": "150-7",
        "name": "ridges",
        "optional": true
      }
    ]
  },
  "keyboard": {
    "class_id": "151",
    "total_elements": 9,
    "elements": [
      {
        "id": "151-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "151-2",
        "name": "keys",
        "optional": false
      },
      {
        "id": "151-3",
        "name": "space_bar",
        "optional": false
      },
      {
        "id": "151-4",
        "name": "enter_key",
        "optional": false
      },
      {
        "id": "151-5",
        "name": "arrow_keys",
        "optional": false
      },
      {
        "id": "151-6",
        "name": "numpad",
        "optional": true
      },
      {
        "id": "151-7",
        "name": "escape_key",
        "optional": false
      },
      {
        "id": "151-8",
        "name": "indicator_lights",
        "optional": true
      },
      {
        "id": "151-9",
        "name": "cable",
        "optional": true
      }
    ]
  },
  "knife": {
    "class_id": "152",
    "total_elements": 8,
    "elements": [
      {
        "id": "152-1",
        "name": "blade",
        "optional": false
      },
      {
        "id": "152-2",
        "name": "handle",
        "optional": false
      },
      {
        "id": "152-3",
        "name": "tip",
        "optional": false
      },
      {
        "id": "152-4",
        "name": "edge",
        "optional": false
      },
      {
        "id": "152-5",
        "name": "spine",
        "optional": false
      },
      {
        "id": "152-6",
        "name": "choil",
        "optional": true
      },
      {
        "id": "152-7",
        "name": "bolster",
        "optional": true
      },
      {
        "id": "152-8",
        "name": "rivet",
        "optional": true
      }
    ]
  },
  "koala": {
    "class_id": "153",
    "total_elements": 12,
    "elements": [
      {
        "id": "153-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "153-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "153-3",
        "name": "nose",
        "optional": false
      },
      {
        "id": "153-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "153-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "153-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "153-7",
        "name": "arms",
        "optional": false
      },
      {
        "id": "153-8",
        "name": "legs",
        "optional": false
      },
      {
        "id": "153-9",
        "name": "claws",
        "optional": true
      },
      {
        "id": "153-10",
        "name": "tree",
        "optional": true
      },
      {
        "id": "153-11",
        "name": "fur",
        "optional": true
      },
      {
        "id": "153-12",
        "name": "tail",
        "optional": true
      }
    ]
  },
  "ladder": {
    "class_id": "154",
    "total_elements": 6,
    "elements": [
      {
        "id": "154-1",
        "name": "side_rails",
        "optional": false
      },
      {
        "id": "154-2",
        "name": "rungs",
        "optional": false
      },
      {
        "id": "154-3",
        "name": "rear_rails",
        "optional": true
      },
      {
        "id": "154-4",
        "name": "top_cap",
        "optional": true
      },
      {
        "id": "154-5",
        "name": "feet",
        "optional": false
      },
      {
        "id": "154-6",
        "name": "platform",
        "optional": true
      }
    ]
  },
  "lantern": {
    "class_id": "155",
    "total_elements": 9,
    "elements": [
      {
        "id": "155-1",
        "name": "frame",
        "optional": false
      },
      {
        "id": "155-2",
        "name": "glass_panels",
        "optional": false
      },
      {
        "id": "155-3",
        "name": "handle",
        "optional": false
      },
      {
        "id": "155-4",
        "name": "base",
        "optional": false
      },
      {
        "id": "155-5",
        "name": "light_source",
        "optional": false
      },
      {
        "id": "155-6",
        "name": "top_cover",
        "optional": true
      },
      {
        "id": "155-7",
        "name": "ventilation_holes",
        "optional": true
      },
      {
        "id": "155-8",
        "name": "decorative_elements",
        "optional": true
      },
      {
        "id": "155-9",
        "name": "hanging_hook",
        "optional": true
      }
    ]
  },
  "laptop": {
    "class_id": "156",
    "total_elements": 5,
    "elements": [
      {
        "id": "156-1",
        "name": "screen",
        "optional": false
      },
      {
        "id": "156-2",
        "name": "keyboard",
        "optional": false
      },
      {
        "id": "156-3",
        "name": "touchpad",
        "optional": false
      },
      {
        "id": "156-4",
        "name": "body",
        "optional": false
      },
      {
        "id": "156-5",
        "name": "webcam",
        "optional": true
      }
    ]
  },
  "leaf": {
    "class_id": "157",
    "total_elements": 7,
    "elements": [
      {
        "id": "157-1",
        "name": "main_blade",
        "optional": false
      },
      {
        "id": "157-2",
        "name": "midrib",
        "optional": false
      },
      {
        "id": "157-3",
        "name": "veins",
        "optional": false
      },
      {
        "id": "157-4",
        "name": "petiole",
        "optional": true
      },
      {
        "id": "157-5",
        "name": "edge",
        "optional": false
      },
      {
        "id": "157-6",
        "name": "tip",
        "optional": false
      },
      {
        "id": "157-7",
        "name": "base",
        "optional": true
      }
    ]
  },
  "leaning_tower_of_pisa": {
    "class_id": "158",
    "total_elements": 7,
    "elements": [
      {
        "id": "158-1",
        "name": "base",
        "optional": false
      },
      {
        "id": "158-2",
        "name": "columns",
        "optional": false
      },
      {
        "id": "158-3",
        "name": "tiers",
        "optional": false
      },
      {
        "id": "158-4",
        "name": "bell_chamber",
        "optional": false
      },
      {
        "id": "158-5",
        "name": "arches",
        "optional": false
      },
      {
        "id": "158-6",
        "name": "lean",
        "optional": false
      },
      {
        "id": "158-7",
        "name": "flag",
        "optional": true
      }
    ]
  },
  "light_bulb": {
    "class_id": "159",
    "total_elements": 6,
    "elements": [
      {
        "id": "159-1",
        "name": "glass_envelope",
        "optional": false
      },
      {
        "id": "159-2",
        "name": "filament",
        "optional": false
      },
      {
        "id": "159-3",
        "name": "base",
        "optional": false
      },
      {
        "id": "159-4",
        "name": "contact_point",
        "optional": false
      },
      {
        "id": "159-5",
        "name": "screw_thread",
        "optional": false
      },
      {
        "id": "159-6",
        "name": "support_wires",
        "optional": true
      }
    ]
  },
  "lighter": {
    "class_id": "160",
    "total_elements": 8,
    "elements": [
      {
        "id": "160-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "160-2",
        "name": "cap",
        "optional": true
      },
      {
        "id": "160-3",
        "name": "flame_guard",
        "optional": false
      },
      {
        "id": "160-4",
        "name": "wheel",
        "optional": false
      },
      {
        "id": "160-5",
        "name": "button",
        "optional": false
      },
      {
        "id": "160-6",
        "name": "flame",
        "optional": true
      },
      {
        "id": "160-7",
        "name": "fuel_tank",
        "optional": false
      },
      {
        "id": "160-8",
        "name": "hinge",
        "optional": true
      }
    ]
  },
  "lighthouse": {
    "class_id": "161",
    "total_elements": 7,
    "elements": [
      {
        "id": "161-1",
        "name": "tower",
        "optional": false
      },
      {
        "id": "161-2",
        "name": "light",
        "optional": false
      },
      {
        "id": "161-3",
        "name": "lantern_room",
        "optional": false
      },
      {
        "id": "161-4",
        "name": "windows",
        "optional": true
      },
      {
        "id": "161-5",
        "name": "entrance",
        "optional": false
      },
      {
        "id": "161-6",
        "name": "railing",
        "optional": true
      },
      {
        "id": "161-7",
        "name": "base",
        "optional": false
      }
    ]
  },
  "lion": {
    "class_id": "162",
    "total_elements": 15,
    "elements": [
      {
        "id": "162-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "162-2",
        "name": "mane",
        "optional": false
      },
      {
        "id": "162-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "162-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "162-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "162-6",
        "name": "ears",
        "optional": false
      },
      {
        "id": "162-7",
        "name": "body",
        "optional": false
      },
      {
        "id": "162-8",
        "name": "legs",
        "optional": false
      },
      {
        "id": "162-9",
        "name": "paws",
        "optional": false
      },
      {
        "id": "162-10",
        "name": "tail",
        "optional": false
      },
      {
        "id": "162-11",
        "name": "tail_tuft",
        "optional": false
      },
      {
        "id": "162-12",
        "name": "claws",
        "optional": true
      },
      {
        "id": "162-13",
        "name": "whiskers",
        "optional": true
      },
      {
        "id": "162-14",
        "name": "jaw",
        "optional": false
      },
      {
        "id": "162-15",
        "name": "ground",
        "optional": true
      }
    ]
  },
  "lobster": {
    "class_id": "163",
    "total_elements": 12,
    "elements": [
      {
        "id": "163-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "163-2",
        "name": "tail",
        "optional": false
      },
      {
        "id": "163-3",
        "name": "claws",
        "optional": false
      },
      {
        "id": "163-4",
        "name": "legs",
        "optional": false
      },
      {
        "id": "163-5",
        "name": "antennas",
        "optional": false
      },
      {
        "id": "163-6",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "163-7",
        "name": "shell_segments",
        "optional": false
      },
      {
        "id": "163-8",
        "name": "mouthparts",
        "optional": true
      },
      {
        "id": "163-9",
        "name": "rostrum",
        "optional": false
      },
      {
        "id": "163-10",
        "name": "environment_water",
        "optional": true
      },
      {
        "id": "163-11",
        "name": "shell_texture",
        "optional": true
      },
      {
        "id": "163-12",
        "name": "mouth",
        "optional": true
      }
    ]
  },
  "lollipop": {
    "class_id": "164",
    "total_elements": 5,
    "elements": [
      {
        "id": "164-1",
        "name": "candy_head",
        "optional": false
      },
      {
        "id": "164-2",
        "name": "stick",
        "optional": false
      },
      {
        "id": "164-3",
        "name": "swirl_pattern",
        "optional": true
      },
      {
        "id": "164-4",
        "name": "wrapper",
        "optional": true
      },
      {
        "id": "164-5",
        "name": "stick_base",
        "optional": false
      }
    ]
  },
  "mailbox": {
    "class_id": "165",
    "total_elements": 9,
    "elements": [
      {
        "id": "165-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "165-2",
        "name": "door",
        "optional": false
      },
      {
        "id": "165-3",
        "name": "flag",
        "optional": true
      },
      {
        "id": "165-4",
        "name": "post",
        "optional": true
      },
      {
        "id": "165-5",
        "name": "handle",
        "optional": true
      },
      {
        "id": "165-6",
        "name": "mail_slot",
        "optional": false
      },
      {
        "id": "165-7",
        "name": "label",
        "optional": true
      },
      {
        "id": "165-8",
        "name": "base",
        "optional": true
      },
      {
        "id": "165-9",
        "name": "letter",
        "optional": true
      }
    ]
  },
  "map": {
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    "total_elements": 6,
    "elements": [
      {
        "id": "166-1",
        "name": "rectangular_shape",
        "optional": false
      },
      {
        "id": "166-2",
        "name": "borders",
        "optional": false
      },
      {
        "id": "166-3",
        "name": "landmarks",
        "optional": false
      },
      {
        "id": "166-4",
        "name": "roads",
        "optional": false
      },
      {
        "id": "166-5",
        "name": "rivers",
        "optional": true
      },
      {
        "id": "166-6",
        "name": "compass_rose",
        "optional": true
      }
    ]
  },
  "marker": {
    "class_id": "167",
    "total_elements": 7,
    "elements": [
      {
        "id": "167-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "167-2",
        "name": "cap",
        "optional": false
      },
      {
        "id": "167-3",
        "name": "tip",
        "optional": false
      },
      {
        "id": "167-4",
        "name": "clip",
        "optional": true
      },
      {
        "id": "167-5",
        "name": "end_plug",
        "optional": true
      },
      {
        "id": "167-6",
        "name": "branding",
        "optional": true
      },
      {
        "id": "167-7",
        "name": "grip_section",
        "optional": true
      }
    ]
  },
  "matches": {
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    "total_elements": 7,
    "elements": [
      {
        "id": "168-1",
        "name": "stick",
        "optional": false
      },
      {
        "id": "168-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "168-3",
        "name": "striking_surface",
        "optional": false
      },
      {
        "id": "168-4",
        "name": "box",
        "optional": false
      },
      {
        "id": "168-5",
        "name": "flame",
        "optional": true
      },
      {
        "id": "168-6",
        "name": "sulfur_coating",
        "optional": true
      },
      {
        "id": "168-7",
        "name": "bundle",
        "optional": true
      }
    ]
  },
  "megaphone": {
    "class_id": "169",
    "total_elements": 7,
    "elements": [
      {
        "id": "169-1",
        "name": "cone",
        "optional": false
      },
      {
        "id": "169-2",
        "name": "handle",
        "optional": false
      },
      {
        "id": "169-3",
        "name": "mouthpiece",
        "optional": false
      },
      {
        "id": "169-4",
        "name": "trigger",
        "optional": false
      },
      {
        "id": "169-5",
        "name": "speaker_grill",
        "optional": true
      },
      {
        "id": "169-6",
        "name": "volume_control",
        "optional": true
      },
      {
        "id": "169-7",
        "name": "microphone",
        "optional": true
      }
    ]
  },
  "mermaid": {
    "class_id": "170",
    "total_elements": 11,
    "elements": [
      {
        "id": "170-1",
        "name": "human_torso",
        "optional": false
      },
      {
        "id": "170-2",
        "name": "human_head",
        "optional": false
      },
      {
        "id": "170-3",
        "name": "hair",
        "optional": false
      },
      {
        "id": "170-4",
        "name": "arms",
        "optional": false
      },
      {
        "id": "170-5",
        "name": "fish_tail",
        "optional": false
      },
      {
        "id": "170-6",
        "name": "fins",
        "optional": false
      },
      {
        "id": "170-7",
        "name": "scales",
        "optional": true
      },
      {
        "id": "170-8",
        "name": "shell_bra",
        "optional": true
      },
      {
        "id": "170-9",
        "name": "earrings",
        "optional": true
      },
      {
        "id": "170-10",
        "name": "necklace",
        "optional": true
      },
      {
        "id": "170-11",
        "name": "hairpin",
        "optional": true
      }
    ]
  },
  "microphone": {
    "class_id": "171",
    "total_elements": 7,
    "elements": [
      {
        "id": "171-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "171-2",
        "name": "grille",
        "optional": false
      },
      {
        "id": "171-3",
        "name": "body",
        "optional": false
      },
      {
        "id": "171-4",
        "name": "cable",
        "optional": true
      },
      {
        "id": "171-5",
        "name": "switch",
        "optional": true
      },
      {
        "id": "171-6",
        "name": "windscreen",
        "optional": true
      },
      {
        "id": "171-7",
        "name": "clip",
        "optional": true
      }
    ]
  },
  "microwave": {
    "class_id": "172",
    "total_elements": 7,
    "elements": [
      {
        "id": "172-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "172-2",
        "name": "door",
        "optional": false
      },
      {
        "id": "172-3",
        "name": "handle",
        "optional": false
      },
      {
        "id": "172-4",
        "name": "control_panel",
        "optional": false
      },
      {
        "id": "172-5",
        "name": "buttons",
        "optional": false
      },
      {
        "id": "172-6",
        "name": "display",
        "optional": false
      },
      {
        "id": "172-7",
        "name": "turntable",
        "optional": true
      }
    ]
  },
  "moai_stone": {
    "class_id": "173",
    "total_elements": 9,
    "elements": [
      {
        "id": "173-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "173-2",
        "name": "face",
        "optional": false
      },
      {
        "id": "173-3",
        "name": "nose",
        "optional": false
      },
      {
        "id": "173-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "173-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "173-6",
        "name": "ears",
        "optional": true
      },
      {
        "id": "173-7",
        "name": "torso",
        "optional": false
      },
      {
        "id": "173-8",
        "name": "ground",
        "optional": true
      },
      {
        "id": "173-9",
        "name": "brow_ridge",
        "optional": true
      }
    ]
  },
  "mole": {
    "class_id": "174",
    "total_elements": 12,
    "elements": [
      {
        "id": "174-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "174-2",
        "name": "body",
        "optional": false
      },
      {
        "id": "174-3",
        "name": "nose",
        "optional": false
      },
      {
        "id": "174-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "174-5",
        "name": "ears",
        "optional": true
      },
      {
        "id": "174-6",
        "name": "legs",
        "optional": true
      },
      {
        "id": "174-7",
        "name": "claws",
        "optional": false
      },
      {
        "id": "174-8",
        "name": "tail",
        "optional": true
      },
      {
        "id": "174-9",
        "name": "fur_texture",
        "optional": true
      },
      {
        "id": "174-10",
        "name": "tunnel",
        "optional": true
      },
      {
        "id": "174-11",
        "name": "whiskers",
        "optional": true
      },
      {
        "id": "174-12",
        "name": "mouth",
        "optional": true
      }
    ]
  },
  "mona_lisa": {
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    "total_elements": 10,
    "elements": [
      {
        "id": "175-1",
        "name": "face",
        "optional": false
      },
      {
        "id": "175-2",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "175-3",
        "name": "smile",
        "optional": false
      },
      {
        "id": "175-4",
        "name": "hair",
        "optional": false
      },
      {
        "id": "175-5",
        "name": "hands",
        "optional": false
      },
      {
        "id": "175-6",
        "name": "dress",
        "optional": false
      },
      {
        "id": "175-7",
        "name": "background",
        "optional": true
      },
      {
        "id": "175-8",
        "name": "eyebrows",
        "optional": true
      },
      {
        "id": "175-9",
        "name": "nose",
        "optional": false
      },
      {
        "id": "175-10",
        "name": "forehead",
        "optional": false
      }
    ]
  },
  "monkey": {
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    "total_elements": 15,
    "elements": [
      {
        "id": "176-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "176-2",
        "name": "face",
        "optional": false
      },
      {
        "id": "176-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "176-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "176-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "176-6",
        "name": "ears",
        "optional": false
      },
      {
        "id": "176-7",
        "name": "body",
        "optional": false
      },
      {
        "id": "176-8",
        "name": "arms",
        "optional": false
      },
      {
        "id": "176-9",
        "name": "legs",
        "optional": false
      },
      {
        "id": "176-10",
        "name": "tail",
        "optional": false
      },
      {
        "id": "176-11",
        "name": "hands",
        "optional": false
      },
      {
        "id": "176-12",
        "name": "feet",
        "optional": false
      },
      {
        "id": "176-13",
        "name": "fur",
        "optional": true
      },
      {
        "id": "176-14",
        "name": "banana",
        "optional": true
      },
      {
        "id": "176-15",
        "name": "tree_branch",
        "optional": true
      }
    ]
  },
  "moon": {
    "class_id": "177",
    "total_elements": 4,
    "elements": [
      {
        "id": "177-1",
        "name": "circle",
        "optional": false
      },
      {
        "id": "177-2",
        "name": "craters",
        "optional": true
      },
      {
        "id": "177-3",
        "name": "crescent",
        "optional": false
      },
      {
        "id": "177-4",
        "name": "glow",
        "optional": true
      }
    ]
  },
  "moose": {
    "class_id": "178",
    "total_elements": 13,
    "elements": [
      {
        "id": "178-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "178-2",
        "name": "antlers",
        "optional": false
      },
      {
        "id": "178-3",
        "name": "ears",
        "optional": false
      },
      {
        "id": "178-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "178-5",
        "name": "nose",
        "optional": false
      },
      {
        "id": "178-6",
        "name": "muzzle",
        "optional": false
      },
      {
        "id": "178-7",
        "name": "body",
        "optional": false
      },
      {
        "id": "178-8",
        "name": "legs",
        "optional": false
      },
      {
        "id": "178-9",
        "name": "hooves",
        "optional": false
      },
      {
        "id": "178-10",
        "name": "tail",
        "optional": false
      },
      {
        "id": "178-11",
        "name": "neck",
        "optional": false
      },
      {
        "id": "178-12",
        "name": "mane",
        "optional": true
      },
      {
        "id": "178-13",
        "name": "mouth",
        "optional": true
      }
    ]
  },
  "motorcycle": {
    "class_id": "179",
    "total_elements": 10,
    "elements": [
      {
        "id": "179-1",
        "name": "frame",
        "optional": false
      },
      {
        "id": "179-2",
        "name": "wheels",
        "optional": false
      },
      {
        "id": "179-3",
        "name": "handlebars",
        "optional": false
      },
      {
        "id": "179-4",
        "name": "seat",
        "optional": false
      },
      {
        "id": "179-5",
        "name": "exhaust_pipe",
        "optional": false
      },
      {
        "id": "179-6",
        "name": "headlight",
        "optional": false
      },
      {
        "id": "179-7",
        "name": "mirrors",
        "optional": true
      },
      {
        "id": "179-8",
        "name": "foot_pegs",
        "optional": true
      },
      {
        "id": "179-9",
        "name": "fairing",
        "optional": true
      },
      {
        "id": "179-10",
        "name": "suspension",
        "optional": true
      }
    ]
  },
  "mouse": {
    "class_id": "180",
    "total_elements": 11,
    "elements": [
      {
        "id": "180-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "180-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "180-3",
        "name": "ears",
        "optional": false
      },
      {
        "id": "180-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "180-5",
        "name": "nose",
        "optional": false
      },
      {
        "id": "180-6",
        "name": "whiskers",
        "optional": false
      },
      {
        "id": "180-7",
        "name": "tail",
        "optional": false
      },
      {
        "id": "180-8",
        "name": "legs",
        "optional": false
      },
      {
        "id": "180-9",
        "name": "feet",
        "optional": true
      },
      {
        "id": "180-10",
        "name": "teeth",
        "optional": true
      },
      {
        "id": "180-11",
        "name": "fur",
        "optional": true
      }
    ]
  },
  "mouth": {
    "class_id": "181",
    "total_elements": 7,
    "elements": [
      {
        "id": "181-1",
        "name": "upper_lip",
        "optional": false
      },
      {
        "id": "181-2",
        "name": "lower_lip",
        "optional": false
      },
      {
        "id": "181-3",
        "name": "corners",
        "optional": false
      },
      {
        "id": "181-4",
        "name": "teeth",
        "optional": true
      },
      {
        "id": "181-5",
        "name": "tongue",
        "optional": true
      },
      {
        "id": "181-6",
        "name": "dimple",
        "optional": true
      },
      {
        "id": "181-7",
        "name": "uvula",
        "optional": true
      }
    ]
  },
  "mug": {
    "class_id": "182",
    "total_elements": 5,
    "elements": [
      {
        "id": "182-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "182-2",
        "name": "handle",
        "optional": false
      },
      {
        "id": "182-3",
        "name": "rim",
        "optional": false
      },
      {
        "id": "182-4",
        "name": "interior",
        "optional": false
      },
      {
        "id": "182-5",
        "name": "lip",
        "optional": true
      }
    ]
  },
  "mushroom": {
    "class_id": "183",
    "total_elements": 7,
    "elements": [
      {
        "id": "183-1",
        "name": "cap",
        "optional": false
      },
      {
        "id": "183-2",
        "name": "stem",
        "optional": false
      },
      {
        "id": "183-3",
        "name": "gills",
        "optional": false
      },
      {
        "id": "183-4",
        "name": "ring",
        "optional": true
      },
      {
        "id": "183-5",
        "name": "spots",
        "optional": true
      },
      {
        "id": "183-6",
        "name": "scales",
        "optional": true
      },
      {
        "id": "183-7",
        "name": "soil",
        "optional": true
      }
    ]
  },
  "noodle": {
    "class_id": "184",
    "total_elements": 5,
    "elements": [
      {
        "id": "184-1",
        "name": "strand",
        "optional": false
      },
      {
        "id": "184-2",
        "name": "bundle",
        "optional": true
      },
      {
        "id": "184-3",
        "name": "bowl",
        "optional": true
      },
      {
        "id": "184-4",
        "name": "chopsticks",
        "optional": true
      },
      {
        "id": "184-5",
        "name": "topping",
        "optional": true
      }
    ]
  },
  "nose": {
    "class_id": "185",
    "total_elements": 6,
    "elements": [
      {
        "id": "185-1",
        "name": "bridge",
        "optional": false
      },
      {
        "id": "185-2",
        "name": "tip",
        "optional": false
      },
      {
        "id": "185-3",
        "name": "nostrils",
        "optional": false
      },
      {
        "id": "185-4",
        "name": "ala",
        "optional": false
      },
      {
        "id": "185-5",
        "name": "septum",
        "optional": true
      },
      {
        "id": "185-6",
        "name": "dorsum",
        "optional": false
      }
    ]
  },
  "octopus": {
    "class_id": "186",
    "total_elements": 8,
    "elements": [
      {
        "id": "186-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "186-2",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "186-3",
        "name": "arms",
        "optional": false
      },
      {
        "id": "186-4",
        "name": "suckers",
        "optional": true
      },
      {
        "id": "186-5",
        "name": "siphon",
        "optional": true
      },
      {
        "id": "186-6",
        "name": "skin_texture",
        "optional": true
      },
      {
        "id": "186-7",
        "name": "water",
        "optional": true
      },
      {
        "id": "186-8",
        "name": "mouth",
        "optional": true
      }
    ]
  },
  "onion": {
    "class_id": "187",
    "total_elements": 10,
    "elements": [
      {
        "id": "187-1",
        "name": "outer_layer",
        "optional": false
      },
      {
        "id": "187-2",
        "name": "bulb",
        "optional": false
      },
      {
        "id": "187-3",
        "name": "layers",
        "optional": false
      },
      {
        "id": "187-4",
        "name": "root_end",
        "optional": false
      },
      {
        "id": "187-5",
        "name": "stem_end",
        "optional": false
      },
      {
        "id": "187-6",
        "name": "slice_cross_section",
        "optional": true
      },
      {
        "id": "187-7",
        "name": "sprout",
        "optional": true
      },
      {
        "id": "187-8",
        "name": "dry_skin",
        "optional": true
      },
      {
        "id": "187-9",
        "name": "cut_surface",
        "optional": true
      },
      {
        "id": "187-10",
        "name": "stem",
        "optional": true
      }
    ]
  },
  "oven": {
    "class_id": "188",
    "total_elements": 9,
    "elements": [
      {
        "id": "188-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "188-2",
        "name": "door",
        "optional": false
      },
      {
        "id": "188-3",
        "name": "handle",
        "optional": false
      },
      {
        "id": "188-4",
        "name": "control_panel",
        "optional": false
      },
      {
        "id": "188-5",
        "name": "knobs",
        "optional": true
      },
      {
        "id": "188-6",
        "name": "digital_display",
        "optional": true
      },
      {
        "id": "188-7",
        "name": "rack",
        "optional": false
      },
      {
        "id": "188-8",
        "name": "light",
        "optional": true
      },
      {
        "id": "188-9",
        "name": "feet",
        "optional": true
      }
    ]
  },
  "owl": {
    "class_id": "189",
    "total_elements": 13,
    "elements": [
      {
        "id": "189-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "189-2",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "189-3",
        "name": "beak",
        "optional": false
      },
      {
        "id": "189-4",
        "name": "body",
        "optional": false
      },
      {
        "id": "189-5",
        "name": "wings",
        "optional": false
      },
      {
        "id": "189-6",
        "name": "feet",
        "optional": false
      },
      {
        "id": "189-7",
        "name": "talons",
        "optional": false
      },
      {
        "id": "189-8",
        "name": "ear_tufts",
        "optional": true
      },
      {
        "id": "189-9",
        "name": "tail",
        "optional": true
      },
      {
        "id": "189-10",
        "name": "feathers",
        "optional": true
      },
      {
        "id": "189-11",
        "name": "perch",
        "optional": true
      },
      {
        "id": "189-12",
        "name": "belly",
        "optional": true
      },
      {
        "id": "189-13",
        "name": "flight_pose",
        "optional": true
      }
    ]
  },
  "paintbrush": {
    "class_id": "190",
    "total_elements": 6,
    "elements": [
      {
        "id": "190-1",
        "name": "handle",
        "optional": false
      },
      {
        "id": "190-2",
        "name": "bristles",
        "optional": false
      },
      {
        "id": "190-3",
        "name": "ferrule",
        "optional": false
      },
      {
        "id": "190-4",
        "name": "tip",
        "optional": false
      },
      {
        "id": "190-5",
        "name": "paint_residue",
        "optional": true
      },
      {
        "id": "190-6",
        "name": "hanging_hole",
        "optional": true
      }
    ]
  },
  "palm_tree": {
    "class_id": "191",
    "total_elements": 7,
    "elements": [
      {
        "id": "191-1",
        "name": "trunk",
        "optional": false
      },
      {
        "id": "191-2",
        "name": "leaves",
        "optional": false
      },
      {
        "id": "191-3",
        "name": "coconuts",
        "optional": true
      },
      {
        "id": "191-4",
        "name": "bark_texture",
        "optional": false
      },
      {
        "id": "191-5",
        "name": "root_base",
        "optional": true
      },
      {
        "id": "191-6",
        "name": "shadow",
        "optional": true
      },
      {
        "id": "191-7",
        "name": "flower_cluster",
        "optional": true
      }
    ]
  },
  "panda": {
    "class_id": "192",
    "total_elements": 13,
    "elements": [
      {
        "id": "192-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "192-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "192-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "192-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "192-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "192-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "192-7",
        "name": "arms",
        "optional": false
      },
      {
        "id": "192-8",
        "name": "legs",
        "optional": false
      },
      {
        "id": "192-9",
        "name": "tail",
        "optional": true
      },
      {
        "id": "192-10",
        "name": "black_patches",
        "optional": false
      },
      {
        "id": "192-11",
        "name": "bamboo",
        "optional": true
      },
      {
        "id": "192-12",
        "name": "sitting_pose",
        "optional": true
      },
      {
        "id": "192-13",
        "name": "claws",
        "optional": true
      }
    ]
  },
  "paper_clip": {
    "class_id": "193",
    "total_elements": 5,
    "elements": [
      {
        "id": "193-1",
        "name": "loop",
        "optional": false
      },
      {
        "id": "193-2",
        "name": "end_point",
        "optional": false
      },
      {
        "id": "193-3",
        "name": "inner_curve",
        "optional": false
      },
      {
        "id": "193-4",
        "name": "outer_curve",
        "optional": false
      },
      {
        "id": "193-5",
        "name": "twist",
        "optional": true
      }
    ]
  },
  "parachute": {
    "class_id": "194",
    "total_elements": 5,
    "elements": [
      {
        "id": "194-1",
        "name": "canopy",
        "optional": false
      },
      {
        "id": "194-2",
        "name": "suspension_lines",
        "optional": false
      },
      {
        "id": "194-3",
        "name": "harness",
        "optional": false
      },
      {
        "id": "194-4",
        "name": "person",
        "optional": false
      },
      {
        "id": "194-5",
        "name": "sky",
        "optional": true
      }
    ]
  },
  "parrot": {
    "class_id": "195",
    "total_elements": 13,
    "elements": [
      {
        "id": "195-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "195-2",
        "name": "beak",
        "optional": false
      },
      {
        "id": "195-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "195-4",
        "name": "body",
        "optional": false
      },
      {
        "id": "195-5",
        "name": "wings",
        "optional": false
      },
      {
        "id": "195-6",
        "name": "tail",
        "optional": false
      },
      {
        "id": "195-7",
        "name": "feet",
        "optional": false
      },
      {
        "id": "195-8",
        "name": "feathers",
        "optional": false
      },
      {
        "id": "195-9",
        "name": "branch",
        "optional": true
      },
      {
        "id": "195-10",
        "name": "nostrils",
        "optional": true
      },
      {
        "id": "195-11",
        "name": "crown",
        "optional": true
      },
      {
        "id": "195-12",
        "name": "cheeks",
        "optional": true
      },
      {
        "id": "195-13",
        "name": "throat_patch",
        "optional": true
      }
    ]
  },
  "patrick_star": {
    "class_id": "196",
    "total_elements": 9,
    "elements": [
      {
        "id": "196-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "196-2",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "196-3",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "196-4",
        "name": "arms",
        "optional": false
      },
      {
        "id": "196-5",
        "name": "legs",
        "optional": false
      },
      {
        "id": "196-6",
        "name": "belly_button",
        "optional": true
      },
      {
        "id": "196-7",
        "name": "sand_pants",
        "optional": false
      },
      {
        "id": "196-8",
        "name": "eyebrows",
        "optional": true
      },
      {
        "id": "196-9",
        "name": "spots",
        "optional": true
      }
    ]
  },
  "peacock": {
    "class_id": "197",
    "total_elements": 12,
    "elements": [
      {
        "id": "197-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "197-2",
        "name": "beak",
        "optional": false
      },
      {
        "id": "197-3",
        "name": "crest",
        "optional": false
      },
      {
        "id": "197-4",
        "name": "neck",
        "optional": false
      },
      {
        "id": "197-5",
        "name": "body",
        "optional": false
      },
      {
        "id": "197-6",
        "name": "wings",
        "optional": false
      },
      {
        "id": "197-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "197-8",
        "name": "feet",
        "optional": false
      },
      {
        "id": "197-9",
        "name": "tail",
        "optional": false
      },
      {
        "id": "197-10",
        "name": "tail_eyes",
        "optional": false
      },
      {
        "id": "197-11",
        "name": "tail_feathers",
        "optional": false
      },
      {
        "id": "197-12",
        "name": "eyes",
        "optional": false
      }
    ]
  },
  "peanut": {
    "class_id": "198",
    "total_elements": 6,
    "elements": [
      {
        "id": "198-1",
        "name": "shell",
        "optional": false
      },
      {
        "id": "198-2",
        "name": "ridges",
        "optional": false
      },
      {
        "id": "198-3",
        "name": "seam",
        "optional": false
      },
      {
        "id": "198-4",
        "name": "nut",
        "optional": false
      },
      {
        "id": "198-5",
        "name": "skin",
        "optional": true
      },
      {
        "id": "198-6",
        "name": "split_shell",
        "optional": true
      }
    ]
  },
  "pear": {
    "class_id": "199",
    "total_elements": 8,
    "elements": [
      {
        "id": "199-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "199-2",
        "name": "stem",
        "optional": false
      },
      {
        "id": "199-3",
        "name": "leaf",
        "optional": true
      },
      {
        "id": "199-4",
        "name": "surface_texture",
        "optional": true
      },
      {
        "id": "199-5",
        "name": "bottom_dimple",
        "optional": true
      },
      {
        "id": "199-6",
        "name": "slice",
        "optional": true
      },
      {
        "id": "199-7",
        "name": "seeds",
        "optional": true
      },
      {
        "id": "199-8",
        "name": "core",
        "optional": true
      }
    ]
  },
  "pencil": {
    "class_id": "200",
    "total_elements": 7,
    "elements": [
      {
        "id": "200-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "200-2",
        "name": "tip",
        "optional": false
      },
      {
        "id": "200-3",
        "name": "eraser",
        "optional": true
      },
      {
        "id": "200-4",
        "name": "ferrule",
        "optional": true
      },
      {
        "id": "200-5",
        "name": "wooden_shell",
        "optional": false
      },
      {
        "id": "200-6",
        "name": "graphite_core",
        "optional": false
      },
      {
        "id": "200-7",
        "name": "sharpened_edges",
        "optional": false
      }
    ]
  },
  "penguin": {
    "class_id": "201",
    "total_elements": 10,
    "elements": [
      {
        "id": "201-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "201-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "201-3",
        "name": "beak",
        "optional": false
      },
      {
        "id": "201-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "201-5",
        "name": "wings",
        "optional": false
      },
      {
        "id": "201-6",
        "name": "feet",
        "optional": false
      },
      {
        "id": "201-7",
        "name": "tail",
        "optional": false
      },
      {
        "id": "201-8",
        "name": "belly",
        "optional": false
      },
      {
        "id": "201-9",
        "name": "ice",
        "optional": true
      },
      {
        "id": "201-10",
        "name": "group",
        "optional": true
      }
    ]
  },
  "piano": {
    "class_id": "202",
    "total_elements": 9,
    "elements": [
      {
        "id": "202-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "202-2",
        "name": "keys",
        "optional": false
      },
      {
        "id": "202-3",
        "name": "pedals",
        "optional": false
      },
      {
        "id": "202-4",
        "name": "legs",
        "optional": false
      },
      {
        "id": "202-5",
        "name": "lid",
        "optional": true
      },
      {
        "id": "202-6",
        "name": "music_stand",
        "optional": true
      },
      {
        "id": "202-7",
        "name": "fallboard",
        "optional": true
      },
      {
        "id": "202-8",
        "name": "bench",
        "optional": true
      },
      {
        "id": "202-9",
        "name": "wheels",
        "optional": true
      }
    ]
  },
  "pickup_truck": {
    "class_id": "203",
    "total_elements": 11,
    "elements": [
      {
        "id": "203-1",
        "name": "cab",
        "optional": false
      },
      {
        "id": "203-2",
        "name": "bed",
        "optional": false
      },
      {
        "id": "203-3",
        "name": "wheels",
        "optional": false
      },
      {
        "id": "203-4",
        "name": "grille",
        "optional": false
      },
      {
        "id": "203-5",
        "name": "headlights",
        "optional": false
      },
      {
        "id": "203-6",
        "name": "side_mirrors",
        "optional": false
      },
      {
        "id": "203-7",
        "name": "bumpers",
        "optional": false
      },
      {
        "id": "203-8",
        "name": "wheel_arches",
        "optional": false
      },
      {
        "id": "203-9",
        "name": "windows",
        "optional": false
      },
      {
        "id": "203-10",
        "name": "door_handles",
        "optional": false
      },
      {
        "id": "203-11",
        "name": "exhaust_pipe",
        "optional": true
      }
    ]
  },
  "pineapple": {
    "class_id": "204",
    "total_elements": 7,
    "elements": [
      {
        "id": "204-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "204-2",
        "name": "leaves",
        "optional": false
      },
      {
        "id": "204-3",
        "name": "skin_texture",
        "optional": false
      },
      {
        "id": "204-4",
        "name": "eyes",
        "optional": true
      },
      {
        "id": "204-5",
        "name": "crown",
        "optional": false
      },
      {
        "id": "204-6",
        "name": "base",
        "optional": false
      },
      {
        "id": "204-7",
        "name": "slice",
        "optional": true
      }
    ]
  },
  "pipe": {
    "class_id": "205",
    "total_elements": 5,
    "elements": [
      {
        "id": "205-1",
        "name": "main_body",
        "optional": false
      },
      {
        "id": "205-2",
        "name": "opening",
        "optional": false
      },
      {
        "id": "205-3",
        "name": "bend",
        "optional": true
      },
      {
        "id": "205-4",
        "name": "joint",
        "optional": true
      },
      {
        "id": "205-5",
        "name": "smoke",
        "optional": true
      }
    ]
  },
  "pizza": {
    "class_id": "206",
    "total_elements": 9,
    "elements": [
      {
        "id": "206-1",
        "name": "crust",
        "optional": false
      },
      {
        "id": "206-2",
        "name": "base",
        "optional": false
      },
      {
        "id": "206-3",
        "name": "slices",
        "optional": false
      },
      {
        "id": "206-4",
        "name": "cheese",
        "optional": false
      },
      {
        "id": "206-5",
        "name": "pepperoni",
        "optional": true
      },
      {
        "id": "206-6",
        "name": "mushrooms",
        "optional": true
      },
      {
        "id": "206-7",
        "name": "olives",
        "optional": true
      },
      {
        "id": "206-8",
        "name": "green_peppers",
        "optional": true
      },
      {
        "id": "206-9",
        "name": "onions",
        "optional": true
      }
    ]
  },
  "present": {
    "class_id": "207",
    "total_elements": 6,
    "elements": [
      {
        "id": "207-1",
        "name": "box",
        "optional": false
      },
      {
        "id": "207-2",
        "name": "lid",
        "optional": true
      },
      {
        "id": "207-3",
        "name": "ribbon",
        "optional": false
      },
      {
        "id": "207-4",
        "name": "bow",
        "optional": false
      },
      {
        "id": "207-5",
        "name": "ribbon_tails",
        "optional": true
      },
      {
        "id": "207-6",
        "name": "gift_tag",
        "optional": true
      }
    ]
  },
  "pretzel": {
    "class_id": "208",
    "total_elements": 4,
    "elements": [
      {
        "id": "208-1",
        "name": "loop",
        "optional": false
      },
      {
        "id": "208-2",
        "name": "knot",
        "optional": false
      },
      {
        "id": "208-3",
        "name": "ends",
        "optional": false
      },
      {
        "id": "208-4",
        "name": "surface_texture",
        "optional": true
      }
    ]
  },
  "pumpkin": {
    "class_id": "209",
    "total_elements": 5,
    "elements": [
      {
        "id": "209-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "209-2",
        "name": "ridges",
        "optional": false
      },
      {
        "id": "209-3",
        "name": "stem",
        "optional": false
      },
      {
        "id": "209-4",
        "name": "leaf",
        "optional": true
      },
      {
        "id": "209-5",
        "name": "vine",
        "optional": true
      }
    ]
  },
  "purse": {
    "class_id": "210",
    "total_elements": 10,
    "elements": [
      {
        "id": "210-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "210-2",
        "name": "flap",
        "optional": true
      },
      {
        "id": "210-3",
        "name": "strap",
        "optional": false
      },
      {
        "id": "210-4",
        "name": "handle",
        "optional": true
      },
      {
        "id": "210-5",
        "name": "clasp",
        "optional": true
      },
      {
        "id": "210-6",
        "name": "zipper",
        "optional": true
      },
      {
        "id": "210-7",
        "name": "lining",
        "optional": true
      },
      {
        "id": "210-8",
        "name": "stitching",
        "optional": true
      },
      {
        "id": "210-9",
        "name": "brand_logo",
        "optional": true
      },
      {
        "id": "210-10",
        "name": "chain_strap",
        "optional": true
      }
    ]
  },
  "pyramids_of_giza": {
    "class_id": "211",
    "total_elements": 8,
    "elements": [
      {
        "id": "211-1",
        "name": "main_pyramid",
        "optional": false
      },
      {
        "id": "211-2",
        "name": "secondary_pyramids",
        "optional": false
      },
      {
        "id": "211-3",
        "name": "blocks",
        "optional": true
      },
      {
        "id": "211-4",
        "name": "sphinx",
        "optional": true
      },
      {
        "id": "211-5",
        "name": "desert_sand",
        "optional": true
      },
      {
        "id": "211-6",
        "name": "sky",
        "optional": true
      },
      {
        "id": "211-7",
        "name": "shadow",
        "optional": true
      },
      {
        "id": "211-8",
        "name": "entrance",
        "optional": true
      }
    ]
  },
  "rabbit": {
    "class_id": "212",
    "total_elements": 13,
    "elements": [
      {
        "id": "212-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "212-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "212-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "212-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "212-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "212-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "212-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "212-8",
        "name": "tail",
        "optional": false
      },
      {
        "id": "212-9",
        "name": "whiskers",
        "optional": true
      },
      {
        "id": "212-10",
        "name": "paws",
        "optional": true
      },
      {
        "id": "212-11",
        "name": "fur",
        "optional": true
      },
      {
        "id": "212-12",
        "name": "hopping_motion",
        "optional": true
      },
      {
        "id": "212-13",
        "name": "carrot",
        "optional": true
      }
    ]
  },
  "radio": {
    "class_id": "213",
    "total_elements": 9,
    "elements": [
      {
        "id": "213-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "213-2",
        "name": "speaker_grill",
        "optional": false
      },
      {
        "id": "213-3",
        "name": "tuning_knob",
        "optional": false
      },
      {
        "id": "213-4",
        "name": "volume_knob",
        "optional": false
      },
      {
        "id": "213-5",
        "name": "antenna",
        "optional": false
      },
      {
        "id": "213-6",
        "name": "dial_display",
        "optional": false
      },
      {
        "id": "213-7",
        "name": "handle",
        "optional": true
      },
      {
        "id": "213-8",
        "name": "power_button",
        "optional": true
      },
      {
        "id": "213-9",
        "name": "knob_markers",
        "optional": true
      }
    ]
  },
  "rainbow": {
    "class_id": "214",
    "total_elements": 5,
    "elements": [
      {
        "id": "214-1",
        "name": "arc",
        "optional": false
      },
      {
        "id": "214-2",
        "name": "bands",
        "optional": false
      },
      {
        "id": "214-3",
        "name": "sky_context",
        "optional": true
      },
      {
        "id": "214-4",
        "name": "clouds",
        "optional": true
      },
      {
        "id": "214-5",
        "name": "glow",
        "optional": true
      }
    ]
  },
  "rake": {
    "class_id": "215",
    "total_elements": 8,
    "elements": [
      {
        "id": "215-1",
        "name": "handle",
        "optional": false
      },
      {
        "id": "215-2",
        "name": "tines",
        "optional": false
      },
      {
        "id": "215-3",
        "name": "tine_base",
        "optional": false
      },
      {
        "id": "215-4",
        "name": "tine_spacing",
        "optional": false
      },
      {
        "id": "215-5",
        "name": "tine_tips",
        "optional": false
      },
      {
        "id": "215-6",
        "name": "attachment_point",
        "optional": false
      },
      {
        "id": "215-7",
        "name": "angle",
        "optional": true
      },
      {
        "id": "215-8",
        "name": "contextual_ground",
        "optional": true
      }
    ]
  },
  "rifle": {
    "class_id": "216",
    "total_elements": 11,
    "elements": [
      {
        "id": "216-1",
        "name": "barrel",
        "optional": false
      },
      {
        "id": "216-2",
        "name": "stock",
        "optional": false
      },
      {
        "id": "216-3",
        "name": "trigger",
        "optional": false
      },
      {
        "id": "216-4",
        "name": "trigger_guard",
        "optional": false
      },
      {
        "id": "216-5",
        "name": "scope",
        "optional": true
      },
      {
        "id": "216-6",
        "name": "sights",
        "optional": true
      },
      {
        "id": "216-7",
        "name": "magazine",
        "optional": true
      },
      {
        "id": "216-8",
        "name": "bolt",
        "optional": true
      },
      {
        "id": "216-9",
        "name": "muzzle",
        "optional": false
      },
      {
        "id": "216-10",
        "name": "butt_plate",
        "optional": false
      },
      {
        "id": "216-11",
        "name": "butt_sling",
        "optional": false
      }
    ]
  },
  "robot": {
    "class_id": "217",
    "total_elements": 12,
    "elements": [
      {
        "id": "217-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "217-2",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "217-3",
        "name": "mouth",
        "optional": true
      },
      {
        "id": "217-4",
        "name": "body",
        "optional": false
      },
      {
        "id": "217-5",
        "name": "arms",
        "optional": false
      },
      {
        "id": "217-6",
        "name": "hands",
        "optional": false
      },
      {
        "id": "217-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "217-8",
        "name": "feet",
        "optional": false
      },
      {
        "id": "217-9",
        "name": "antennas",
        "optional": true
      },
      {
        "id": "217-10",
        "name": "joints",
        "optional": true
      },
      {
        "id": "217-11",
        "name": "wheels",
        "optional": true
      },
      {
        "id": "217-12",
        "name": "treads",
        "optional": true
      }
    ]
  },
  "rocket": {
    "class_id": "218",
    "total_elements": 10,
    "elements": [
      {
        "id": "218-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "218-2",
        "name": "nose_cone",
        "optional": false
      },
      {
        "id": "218-3",
        "name": "fins",
        "optional": false
      },
      {
        "id": "218-4",
        "name": "engines",
        "optional": false
      },
      {
        "id": "218-5",
        "name": "exhaust_flame",
        "optional": false
      },
      {
        "id": "218-6",
        "name": "window",
        "optional": true
      },
      {
        "id": "218-7",
        "name": "boosters",
        "optional": true
      },
      {
        "id": "218-8",
        "name": "payload_fairing",
        "optional": true
      },
      {
        "id": "218-9",
        "name": "stages",
        "optional": true
      },
      {
        "id": "218-10",
        "name": "smoke_trail",
        "optional": true
      }
    ]
  },
  "roller_coaster": {
    "class_id": "219",
    "total_elements": 9,
    "elements": [
      {
        "id": "219-1",
        "name": "tracks",
        "optional": false
      },
      {
        "id": "219-2",
        "name": "cars",
        "optional": false
      },
      {
        "id": "219-3",
        "name": "supports",
        "optional": false
      },
      {
        "id": "219-4",
        "name": "loops",
        "optional": true
      },
      {
        "id": "219-5",
        "name": "drops",
        "optional": false
      },
      {
        "id": "219-6",
        "name": "turns",
        "optional": false
      },
      {
        "id": "219-7",
        "name": "rails",
        "optional": true
      },
      {
        "id": "219-8",
        "name": "passengers",
        "optional": true
      },
      {
        "id": "219-9",
        "name": "station_platform",
        "optional": true
      }
    ]
  },
  "roller_skate": {
    "class_id": "220",
    "total_elements": 7,
    "elements": [
      {
        "id": "220-1",
        "name": "boot",
        "optional": false
      },
      {
        "id": "220-2",
        "name": "wheel",
        "optional": false
      },
      {
        "id": "220-3",
        "name": "truck",
        "optional": false
      },
      {
        "id": "220-4",
        "name": "laces",
        "optional": false
      },
      {
        "id": "220-5",
        "name": "toe_stop",
        "optional": false
      },
      {
        "id": "220-6",
        "name": "ankle_support",
        "optional": true
      },
      {
        "id": "220-7",
        "name": "buckle",
        "optional": true
      }
    ]
  },
  "rooster": {
    "class_id": "221",
    "total_elements": 12,
    "elements": [
      {
        "id": "221-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "221-2",
        "name": "beak",
        "optional": false
      },
      {
        "id": "221-3",
        "name": "comb",
        "optional": false
      },
      {
        "id": "221-4",
        "name": "wattle",
        "optional": false
      },
      {
        "id": "221-5",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "221-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "221-7",
        "name": "wings",
        "optional": false
      },
      {
        "id": "221-8",
        "name": "tail",
        "optional": false
      },
      {
        "id": "221-9",
        "name": "legs",
        "optional": false
      },
      {
        "id": "221-10",
        "name": "feet",
        "optional": false
      },
      {
        "id": "221-11",
        "name": "feather_patterns",
        "optional": true
      },
      {
        "id": "221-12",
        "name": "crowing_pose",
        "optional": true
      }
    ]
  },
  "sailboat": {
    "class_id": "222",
    "total_elements": 11,
    "elements": [
      {
        "id": "222-1",
        "name": "hull",
        "optional": false
      },
      {
        "id": "222-2",
        "name": "mast",
        "optional": false
      },
      {
        "id": "222-3",
        "name": "sail",
        "optional": false
      },
      {
        "id": "222-4",
        "name": "boom",
        "optional": false
      },
      {
        "id": "222-5",
        "name": "deck",
        "optional": false
      },
      {
        "id": "222-6",
        "name": "cabin",
        "optional": true
      },
      {
        "id": "222-7",
        "name": "stays",
        "optional": true
      },
      {
        "id": "222-8",
        "name": "bow",
        "optional": false
      },
      {
        "id": "222-9",
        "name": "stern",
        "optional": false
      },
      {
        "id": "222-10",
        "name": "waterline",
        "optional": true
      },
      {
        "id": "222-11",
        "name": "flag",
        "optional": true
      }
    ]
  },
  "sandwich": {
    "class_id": "223",
    "total_elements": 10,
    "elements": [
      {
        "id": "223-1",
        "name": "bread_slice",
        "optional": false
      },
      {
        "id": "223-2",
        "name": "filling",
        "optional": false
      },
      {
        "id": "223-3",
        "name": "crust",
        "optional": true
      },
      {
        "id": "223-4",
        "name": "lettuce",
        "optional": true
      },
      {
        "id": "223-5",
        "name": "tomato_slice",
        "optional": true
      },
      {
        "id": "223-6",
        "name": "cheese_slice",
        "optional": true
      },
      {
        "id": "223-7",
        "name": "meat_slice",
        "optional": true
      },
      {
        "id": "223-8",
        "name": "pickle",
        "optional": true
      },
      {
        "id": "223-9",
        "name": "cut_line",
        "optional": true
      },
      {
        "id": "223-10",
        "name": "toothpick",
        "optional": true
      }
    ]
  },
  "santa_claus": {
    "class_id": "224",
    "total_elements": 14,
    "elements": [
      {
        "id": "224-1",
        "name": "hat",
        "optional": false
      },
      {
        "id": "224-2",
        "name": "beard",
        "optional": false
      },
      {
        "id": "224-3",
        "name": "coat",
        "optional": false
      },
      {
        "id": "224-4",
        "name": "belt",
        "optional": false
      },
      {
        "id": "224-5",
        "name": "pants",
        "optional": false
      },
      {
        "id": "224-6",
        "name": "boots",
        "optional": false
      },
      {
        "id": "224-7",
        "name": "gloves",
        "optional": true
      },
      {
        "id": "224-8",
        "name": "sack",
        "optional": true
      },
      {
        "id": "224-9",
        "name": "buttons",
        "optional": true
      },
      {
        "id": "224-10",
        "name": "eyeglasses",
        "optional": true
      },
      {
        "id": "224-11",
        "name": "rosy_cheeks",
        "optional": true
      },
      {
        "id": "224-12",
        "name": "white_trim",
        "optional": false
      },
      {
        "id": "224-13",
        "name": "sleigh",
        "optional": true
      },
      {
        "id": "224-14",
        "name": "gift_box",
        "optional": true
      }
    ]
  },
  "satellite": {
    "class_id": "225",
    "total_elements": 6,
    "elements": [
      {
        "id": "225-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "225-2",
        "name": "solar_panel",
        "optional": false
      },
      {
        "id": "225-3",
        "name": "antenna",
        "optional": false
      },
      {
        "id": "225-4",
        "name": "dish",
        "optional": true
      },
      {
        "id": "225-5",
        "name": "sensor",
        "optional": true
      },
      {
        "id": "225-6",
        "name": "support_structure",
        "optional": true
      }
    ]
  },
  "saw": {
    "class_id": "226",
    "total_elements": 6,
    "elements": [
      {
        "id": "226-1",
        "name": "handle",
        "optional": false
      },
      {
        "id": "226-2",
        "name": "blade",
        "optional": false
      },
      {
        "id": "226-3",
        "name": "teeth",
        "optional": false
      },
      {
        "id": "226-4",
        "name": "frame",
        "optional": true
      },
      {
        "id": "226-5",
        "name": "nut_and_bolt",
        "optional": true
      },
      {
        "id": "226-6",
        "name": "angle",
        "optional": true
      }
    ]
  },
  "saxophone": {
    "class_id": "227",
    "total_elements": 8,
    "elements": [
      {
        "id": "227-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "227-2",
        "name": "bell",
        "optional": false
      },
      {
        "id": "227-3",
        "name": "mouthpiece",
        "optional": false
      },
      {
        "id": "227-4",
        "name": "neck",
        "optional": false
      },
      {
        "id": "227-5",
        "name": "keys",
        "optional": false
      },
      {
        "id": "227-6",
        "name": "key_guard",
        "optional": true
      },
      {
        "id": "227-7",
        "name": "ligature",
        "optional": true
      },
      {
        "id": "227-8",
        "name": "thumb_rest",
        "optional": true
      }
    ]
  },
  "scissors": {
    "class_id": "228",
    "total_elements": 9,
    "elements": [
      {
        "id": "228-1",
        "name": "handles",
        "optional": false
      },
      {
        "id": "228-2",
        "name": "blades",
        "optional": false
      },
      {
        "id": "228-3",
        "name": "pivot",
        "optional": false
      },
      {
        "id": "228-4",
        "name": "finger_hole",
        "optional": false
      },
      {
        "id": "228-5",
        "name": "thumb_hole",
        "optional": false
      },
      {
        "id": "228-6",
        "name": "blade_tip",
        "optional": false
      },
      {
        "id": "228-7",
        "name": "blade_edge",
        "optional": false
      },
      {
        "id": "228-8",
        "name": "hinge_screw",
        "optional": true
      },
      {
        "id": "228-9",
        "name": "blade_overlap",
        "optional": true
      }
    ]
  },
  "scorpion": {
    "class_id": "229",
    "total_elements": 12,
    "elements": [
      {
        "id": "229-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "229-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "229-3",
        "name": "pincers",
        "optional": false
      },
      {
        "id": "229-4",
        "name": "legs",
        "optional": false
      },
      {
        "id": "229-5",
        "name": "tail",
        "optional": false
      },
      {
        "id": "229-6",
        "name": "stinger",
        "optional": false
      },
      {
        "id": "229-7",
        "name": "segmented_tail",
        "optional": false
      },
      {
        "id": "229-8",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "229-9",
        "name": "mouthparts",
        "optional": true
      },
      {
        "id": "229-10",
        "name": "claw_joints",
        "optional": true
      },
      {
        "id": "229-11",
        "name": "leg_joints",
        "optional": true
      },
      {
        "id": "229-12",
        "name": "exoskeleton",
        "optional": true
      }
    ]
  },
  "screwdriver": {
    "class_id": "230",
    "total_elements": 7,
    "elements": [
      {
        "id": "230-1",
        "name": "handle",
        "optional": false
      },
      {
        "id": "230-2",
        "name": "blade",
        "optional": false
      },
      {
        "id": "230-3",
        "name": "tip",
        "optional": false
      },
      {
        "id": "230-4",
        "name": "shank",
        "optional": false
      },
      {
        "id": "230-5",
        "name": "grip_texture",
        "optional": true
      },
      {
        "id": "230-6",
        "name": "ferrule",
        "optional": true
      },
      {
        "id": "230-7",
        "name": "hanging_hole",
        "optional": true
      }
    ]
  },
  "seahorse": {
    "class_id": "231",
    "total_elements": 10,
    "elements": [
      {
        "id": "231-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "231-2",
        "name": "snout",
        "optional": false
      },
      {
        "id": "231-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "231-4",
        "name": "body",
        "optional": false
      },
      {
        "id": "231-5",
        "name": "dorsal_fin",
        "optional": false
      },
      {
        "id": "231-6",
        "name": "tail",
        "optional": false
      },
      {
        "id": "231-7",
        "name": "pectoral_fins",
        "optional": false
      },
      {
        "id": "231-8",
        "name": "ridges",
        "optional": true
      },
      {
        "id": "231-9",
        "name": "belly",
        "optional": true
      },
      {
        "id": "231-10",
        "name": "environment_water",
        "optional": true
      }
    ]
  },
  "shark": {
    "class_id": "232",
    "total_elements": 13,
    "elements": [
      {
        "id": "232-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "232-2",
        "name": "dorsal_fin",
        "optional": false
      },
      {
        "id": "232-3",
        "name": "tail_fin",
        "optional": false
      },
      {
        "id": "232-4",
        "name": "pectoral_fins",
        "optional": false
      },
      {
        "id": "232-5",
        "name": "head",
        "optional": false
      },
      {
        "id": "232-6",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "232-7",
        "name": "teeth",
        "optional": false
      },
      {
        "id": "232-8",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "232-9",
        "name": "gills",
        "optional": false
      },
      {
        "id": "232-10",
        "name": "pelvic_fins",
        "optional": true
      },
      {
        "id": "232-11",
        "name": "anal_fin",
        "optional": true
      },
      {
        "id": "232-12",
        "name": "environmental_water",
        "optional": true
      },
      {
        "id": "232-13",
        "name": "second_dorsal_fin",
        "optional": true
      }
    ]
  },
  "sheep": {
    "class_id": "233",
    "total_elements": 13,
    "elements": [
      {
        "id": "233-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "233-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "233-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "233-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "233-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "233-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "233-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "233-8",
        "name": "tail",
        "optional": false
      },
      {
        "id": "233-9",
        "name": "wool_texture",
        "optional": false
      },
      {
        "id": "233-10",
        "name": "hooves",
        "optional": true
      },
      {
        "id": "233-11",
        "name": "grass",
        "optional": true
      },
      {
        "id": "233-12",
        "name": "snout",
        "optional": false
      },
      {
        "id": "233-13",
        "name": "eyebrows",
        "optional": true
      }
    ]
  },
  "shoe": {
    "class_id": "234",
    "total_elements": 12,
    "elements": [
      {
        "id": "234-1",
        "name": "upper",
        "optional": false
      },
      {
        "id": "234-2",
        "name": "sole",
        "optional": false
      },
      {
        "id": "234-3",
        "name": "heel",
        "optional": true
      },
      {
        "id": "234-4",
        "name": "toe_box",
        "optional": false
      },
      {
        "id": "234-5",
        "name": "tongue",
        "optional": true
      },
      {
        "id": "234-6",
        "name": "laces",
        "optional": true
      },
      {
        "id": "234-7",
        "name": "eyelets",
        "optional": true
      },
      {
        "id": "234-8",
        "name": "insole",
        "optional": true
      },
      {
        "id": "234-9",
        "name": "ankle_collar",
        "optional": true
      },
      {
        "id": "234-10",
        "name": "strap",
        "optional": true
      },
      {
        "id": "234-11",
        "name": "tread",
        "optional": true
      },
      {
        "id": "234-12",
        "name": "logo",
        "optional": true
      }
    ]
  },
  "shovel": {
    "class_id": "235",
    "total_elements": 8,
    "elements": [
      {
        "id": "235-1",
        "name": "handle",
        "optional": false
      },
      {
        "id": "235-2",
        "name": "grip",
        "optional": true
      },
      {
        "id": "235-3",
        "name": "shaft",
        "optional": false
      },
      {
        "id": "235-4",
        "name": "blade",
        "optional": false
      },
      {
        "id": "235-5",
        "name": "step",
        "optional": false
      },
      {
        "id": "235-6",
        "name": "rivet",
        "optional": true
      },
      {
        "id": "235-7",
        "name": "blade_edge",
        "optional": false
      },
      {
        "id": "235-8",
        "name": "context_ground",
        "optional": true
      }
    ]
  },
  "skateboard": {
    "class_id": "236",
    "total_elements": 6,
    "elements": [
      {
        "id": "236-1",
        "name": "deck",
        "optional": false
      },
      {
        "id": "236-2",
        "name": "trucks",
        "optional": false
      },
      {
        "id": "236-3",
        "name": "wheels",
        "optional": false
      },
      {
        "id": "236-4",
        "name": "bolts",
        "optional": true
      },
      {
        "id": "236-5",
        "name": "nose",
        "optional": false
      },
      {
        "id": "236-6",
        "name": "tail",
        "optional": false
      }
    ]
  },
  "skull": {
    "class_id": "237",
    "total_elements": 7,
    "elements": [
      {
        "id": "237-1",
        "name": "cranium",
        "optional": false
      },
      {
        "id": "237-2",
        "name": "eye_sockets",
        "optional": false
      },
      {
        "id": "237-3",
        "name": "nasal_cavity",
        "optional": false
      },
      {
        "id": "237-4",
        "name": "jaw",
        "optional": false
      },
      {
        "id": "237-5",
        "name": "teeth",
        "optional": false
      },
      {
        "id": "237-6",
        "name": "zygomatic_arches",
        "optional": true
      },
      {
        "id": "237-7",
        "name": "mandibular_condyle",
        "optional": true
      }
    ]
  },
  "skyscraper": {
    "class_id": "238",
    "total_elements": 8,
    "elements": [
      {
        "id": "238-1",
        "name": "base",
        "optional": false
      },
      {
        "id": "238-2",
        "name": "tower",
        "optional": false
      },
      {
        "id": "238-3",
        "name": "windows",
        "optional": false
      },
      {
        "id": "238-4",
        "name": "spire",
        "optional": true
      },
      {
        "id": "238-5",
        "name": "entrance",
        "optional": false
      },
      {
        "id": "238-6",
        "name": "skyline_context",
        "optional": true
      },
      {
        "id": "238-7",
        "name": "ground",
        "optional": true
      },
      {
        "id": "238-8",
        "name": "cloud",
        "optional": true
      }
    ]
  },
  "sloth": {
    "class_id": "239",
    "total_elements": 13,
    "elements": [
      {
        "id": "239-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "239-2",
        "name": "face",
        "optional": false
      },
      {
        "id": "239-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "239-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "239-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "239-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "239-7",
        "name": "arms",
        "optional": false
      },
      {
        "id": "239-8",
        "name": "legs",
        "optional": false
      },
      {
        "id": "239-9",
        "name": "claws",
        "optional": false
      },
      {
        "id": "239-10",
        "name": "fur",
        "optional": false
      },
      {
        "id": "239-11",
        "name": "tail",
        "optional": true
      },
      {
        "id": "239-12",
        "name": "branch",
        "optional": true
      },
      {
        "id": "239-13",
        "name": "hanging_position",
        "optional": true
      }
    ]
  },
  "snail": {
    "class_id": "240",
    "total_elements": 7,
    "elements": [
      {
        "id": "240-1",
        "name": "shell",
        "optional": false
      },
      {
        "id": "240-2",
        "name": "body",
        "optional": false
      },
      {
        "id": "240-3",
        "name": "tentacles",
        "optional": false
      },
      {
        "id": "240-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "240-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "240-6",
        "name": "shell_spiral",
        "optional": true
      },
      {
        "id": "240-7",
        "name": "environment_ground",
        "optional": true
      }
    ]
  },
  "snake": {
    "class_id": "241",
    "total_elements": 9,
    "elements": [
      {
        "id": "241-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "241-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "241-3",
        "name": "tail",
        "optional": false
      },
      {
        "id": "241-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "241-5",
        "name": "tongue",
        "optional": true
      },
      {
        "id": "241-6",
        "name": "scales",
        "optional": true
      },
      {
        "id": "241-7",
        "name": "fangs",
        "optional": true
      },
      {
        "id": "241-8",
        "name": "rattle",
        "optional": true
      },
      {
        "id": "241-9",
        "name": "coiling",
        "optional": true
      }
    ]
  },
  "snorkel": {
    "class_id": "242",
    "total_elements": 6,
    "elements": [
      {
        "id": "242-1",
        "name": "mouthpiece",
        "optional": false
      },
      {
        "id": "242-2",
        "name": "tube",
        "optional": false
      },
      {
        "id": "242-3",
        "name": "top_opening",
        "optional": false
      },
      {
        "id": "242-4",
        "name": "flexible_joint",
        "optional": true
      },
      {
        "id": "242-5",
        "name": "clip",
        "optional": true
      },
      {
        "id": "242-6",
        "name": "purge_valve",
        "optional": true
      }
    ]
  },
  "snowman": {
    "class_id": "243",
    "total_elements": 11,
    "elements": [
      {
        "id": "243-1",
        "name": "base_sphere",
        "optional": false
      },
      {
        "id": "243-2",
        "name": "middle_sphere",
        "optional": false
      },
      {
        "id": "243-3",
        "name": "head_sphere",
        "optional": false
      },
      {
        "id": "243-4",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "243-5",
        "name": "nose",
        "optional": false
      },
      {
        "id": "243-6",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "243-7",
        "name": "arms",
        "optional": false
      },
      {
        "id": "243-8",
        "name": "buttons",
        "optional": true
      },
      {
        "id": "243-9",
        "name": "hat",
        "optional": true
      },
      {
        "id": "243-10",
        "name": "scarf",
        "optional": true
      },
      {
        "id": "243-11",
        "name": "pipe",
        "optional": true
      }
    ]
  },
  "soccer_ball": {
    "class_id": "244",
    "total_elements": 6,
    "elements": [
      {
        "id": "244-1",
        "name": "spherical_shape",
        "optional": false
      },
      {
        "id": "244-2",
        "name": "hexagonal_patches",
        "optional": false
      },
      {
        "id": "244-3",
        "name": "pentagonal_patches",
        "optional": false
      },
      {
        "id": "244-4",
        "name": "seams",
        "optional": false
      },
      {
        "id": "244-5",
        "name": "motion_lines",
        "optional": true
      },
      {
        "id": "244-6",
        "name": "high_contrast_patches",
        "optional": true
      }
    ]
  },
  "sock": {
    "class_id": "245",
    "total_elements": 7,
    "elements": [
      {
        "id": "245-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "245-2",
        "name": "toe",
        "optional": false
      },
      {
        "id": "245-3",
        "name": "heel",
        "optional": false
      },
      {
        "id": "245-4",
        "name": "cuff",
        "optional": false
      },
      {
        "id": "245-5",
        "name": "ankle",
        "optional": false
      },
      {
        "id": "245-6",
        "name": "seam",
        "optional": true
      },
      {
        "id": "245-7",
        "name": "pattern",
        "optional": true
      }
    ]
  },
  "space_shuttle": {
    "class_id": "246",
    "total_elements": 8,
    "elements": [
      {
        "id": "246-1",
        "name": "main_body",
        "optional": false
      },
      {
        "id": "246-2",
        "name": "nose_cone",
        "optional": false
      },
      {
        "id": "246-3",
        "name": "wings",
        "optional": false
      },
      {
        "id": "246-4",
        "name": "vertical_stabilizer",
        "optional": false
      },
      {
        "id": "246-5",
        "name": "rocket_boosters",
        "optional": false
      },
      {
        "id": "246-6",
        "name": "external_fuel_tank",
        "optional": false
      },
      {
        "id": "246-7",
        "name": "cockpit_windows",
        "optional": false
      },
      {
        "id": "246-8",
        "name": "engine_nozzles",
        "optional": false
      }
    ]
  },
  "sphinx": {
    "class_id": "247",
    "total_elements": 9,
    "elements": [
      {
        "id": "247-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "247-2",
        "name": "body",
        "optional": false
      },
      {
        "id": "247-3",
        "name": "paws",
        "optional": false
      },
      {
        "id": "247-4",
        "name": "tail",
        "optional": true
      },
      {
        "id": "247-5",
        "name": "headdress",
        "optional": false
      },
      {
        "id": "247-6",
        "name": "ears",
        "optional": true
      },
      {
        "id": "247-7",
        "name": "face",
        "optional": false
      },
      {
        "id": "247-8",
        "name": "base",
        "optional": false
      },
      {
        "id": "247-9",
        "name": "environment",
        "optional": true
      }
    ]
  },
  "spider": {
    "class_id": "248",
    "total_elements": 10,
    "elements": [
      {
        "id": "248-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "248-2",
        "name": "cephalothorax",
        "optional": false
      },
      {
        "id": "248-3",
        "name": "abdomen",
        "optional": false
      },
      {
        "id": "248-4",
        "name": "legs",
        "optional": false
      },
      {
        "id": "248-5",
        "name": "eyes",
        "optional": true
      },
      {
        "id": "248-6",
        "name": "pedipalps",
        "optional": true
      },
      {
        "id": "248-7",
        "name": "fangs",
        "optional": true
      },
      {
        "id": "248-8",
        "name": "web",
        "optional": true
      },
      {
        "id": "248-9",
        "name": "joints",
        "optional": true
      },
      {
        "id": "248-10",
        "name": "hairs",
        "optional": true
      }
    ]
  },
  "sponge_bob": {
    "class_id": "249",
    "total_elements": 15,
    "elements": [
      {
        "id": "249-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "249-2",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "249-3",
        "name": "pupils",
        "optional": false
      },
      {
        "id": "249-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "249-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "249-6",
        "name": "teeth",
        "optional": false
      },
      {
        "id": "249-7",
        "name": "holes",
        "optional": false
      },
      {
        "id": "249-8",
        "name": "arms",
        "optional": false
      },
      {
        "id": "249-9",
        "name": "hands",
        "optional": false
      },
      {
        "id": "249-10",
        "name": "legs",
        "optional": false
      },
      {
        "id": "249-11",
        "name": "shoes",
        "optional": false
      },
      {
        "id": "249-12",
        "name": "pants",
        "optional": false
      },
      {
        "id": "249-13",
        "name": "tie",
        "optional": true
      },
      {
        "id": "249-14",
        "name": "belt",
        "optional": true
      },
      {
        "id": "249-15",
        "name": "eyelashes",
        "optional": true
      }
    ]
  },
  "spoon": {
    "class_id": "250",
    "total_elements": 5,
    "elements": [
      {
        "id": "250-1",
        "name": "bowl",
        "optional": false
      },
      {
        "id": "250-2",
        "name": "handle",
        "optional": false
      },
      {
        "id": "250-3",
        "name": "neck",
        "optional": false
      },
      {
        "id": "250-4",
        "name": "tip",
        "optional": false
      },
      {
        "id": "250-5",
        "name": "branding",
        "optional": true
      }
    ]
  },
  "squid": {
    "class_id": "251",
    "total_elements": 10,
    "elements": [
      {
        "id": "251-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "251-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "251-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "251-4",
        "name": "arms",
        "optional": false
      },
      {
        "id": "251-5",
        "name": "tentacles",
        "optional": false
      },
      {
        "id": "251-6",
        "name": "fins",
        "optional": false
      },
      {
        "id": "251-7",
        "name": "suckers",
        "optional": true
      },
      {
        "id": "251-8",
        "name": "mantle",
        "optional": false
      },
      {
        "id": "251-9",
        "name": "ocean",
        "optional": true
      },
      {
        "id": "251-10",
        "name": "mouth",
        "optional": true
      }
    ]
  },
  "squirrel": {
    "class_id": "252",
    "total_elements": 13,
    "elements": [
      {
        "id": "252-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "252-2",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "252-3",
        "name": "ears",
        "optional": false
      },
      {
        "id": "252-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "252-5",
        "name": "body",
        "optional": false
      },
      {
        "id": "252-6",
        "name": "legs",
        "optional": false
      },
      {
        "id": "252-7",
        "name": "feet",
        "optional": false
      },
      {
        "id": "252-8",
        "name": "tail",
        "optional": false
      },
      {
        "id": "252-9",
        "name": "whiskers",
        "optional": true
      },
      {
        "id": "252-10",
        "name": "cheeks",
        "optional": true
      },
      {
        "id": "252-11",
        "name": "fur",
        "optional": true
      },
      {
        "id": "252-12",
        "name": "claws",
        "optional": true
      },
      {
        "id": "252-13",
        "name": "nut",
        "optional": true
      }
    ]
  },
  "stairs": {
    "class_id": "253",
    "total_elements": 6,
    "elements": [
      {
        "id": "253-1",
        "name": "step",
        "optional": false
      },
      {
        "id": "253-2",
        "name": "riser",
        "optional": false
      },
      {
        "id": "253-3",
        "name": "stringer",
        "optional": false
      },
      {
        "id": "253-4",
        "name": "handrail",
        "optional": true
      },
      {
        "id": "253-5",
        "name": "newel_post",
        "optional": true
      },
      {
        "id": "253-6",
        "name": "baluster",
        "optional": true
      }
    ]
  },
  "statue_of_liberty": {
    "class_id": "254",
    "total_elements": 11,
    "elements": [
      {
        "id": "254-1",
        "name": "torso",
        "optional": false
      },
      {
        "id": "254-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "254-3",
        "name": "crown",
        "optional": false
      },
      {
        "id": "254-4",
        "name": "torch",
        "optional": false
      },
      {
        "id": "254-5",
        "name": "right_arm",
        "optional": false
      },
      {
        "id": "254-6",
        "name": "left_arm",
        "optional": false
      },
      {
        "id": "254-7",
        "name": "tablet",
        "optional": false
      },
      {
        "id": "254-8",
        "name": "base",
        "optional": false
      },
      {
        "id": "254-9",
        "name": "face",
        "optional": false
      },
      {
        "id": "254-10",
        "name": "robes",
        "optional": false
      },
      {
        "id": "254-11",
        "name": "torch_flame",
        "optional": true
      }
    ]
  },
  "stethoscope": {
    "class_id": "255",
    "total_elements": 9,
    "elements": [
      {
        "id": "255-1",
        "name": "ear_tips",
        "optional": false
      },
      {
        "id": "255-2",
        "name": "tubing",
        "optional": false
      },
      {
        "id": "255-3",
        "name": "yoke",
        "optional": false
      },
      {
        "id": "255-4",
        "name": "chest_piece",
        "optional": false
      },
      {
        "id": "255-5",
        "name": "diaphragm",
        "optional": false
      },
      {
        "id": "255-6",
        "name": "bell",
        "optional": true
      },
      {
        "id": "255-7",
        "name": "spring",
        "optional": true
      },
      {
        "id": "255-8",
        "name": "tubing_split",
        "optional": true
      },
      {
        "id": "255-9",
        "name": "tubing_connector",
        "optional": true
      }
    ]
  },
  "stonehenge": {
    "class_id": "256",
    "total_elements": 8,
    "elements": [
      {
        "id": "256-1",
        "name": "standing_stones",
        "optional": false
      },
      {
        "id": "256-2",
        "name": "lintels",
        "optional": false
      },
      {
        "id": "256-3",
        "name": "trilithons",
        "optional": false
      },
      {
        "id": "256-4",
        "name": "sarsen_circle",
        "optional": false
      },
      {
        "id": "256-5",
        "name": "altar_stone",
        "optional": true
      },
      {
        "id": "256-6",
        "name": "heel_stone",
        "optional": true
      },
      {
        "id": "256-7",
        "name": "bluestones",
        "optional": true
      },
      {
        "id": "256-8",
        "name": "earthworks",
        "optional": true
      }
    ]
  },
  "stop_sign": {
    "class_id": "257",
    "total_elements": 5,
    "elements": [
      {
        "id": "257-1",
        "name": "octagon",
        "optional": false
      },
      {
        "id": "257-2",
        "name": "letters",
        "optional": false
      },
      {
        "id": "257-3",
        "name": "border",
        "optional": true
      },
      {
        "id": "257-4",
        "name": "post",
        "optional": false
      },
      {
        "id": "257-5",
        "name": "base",
        "optional": true
      }
    ]
  },
  "strawberry": {
    "class_id": "258",
    "total_elements": 5,
    "elements": [
      {
        "id": "258-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "258-2",
        "name": "seeds",
        "optional": false
      },
      {
        "id": "258-3",
        "name": "calyx",
        "optional": false
      },
      {
        "id": "258-4",
        "name": "stem",
        "optional": true
      },
      {
        "id": "258-5",
        "name": "leaf",
        "optional": true
      }
    ]
  },
  "streetlight": {
    "class_id": "259",
    "total_elements": 9,
    "elements": [
      {
        "id": "259-1",
        "name": "pole",
        "optional": false
      },
      {
        "id": "259-2",
        "name": "light_fixture",
        "optional": false
      },
      {
        "id": "259-3",
        "name": "base",
        "optional": false
      },
      {
        "id": "259-4",
        "name": "crossbar",
        "optional": true
      },
      {
        "id": "259-5",
        "name": "light_bulb",
        "optional": false
      },
      {
        "id": "259-6",
        "name": "lamp_cover",
        "optional": true
      },
      {
        "id": "259-7",
        "name": "ground_surface",
        "optional": true
      },
      {
        "id": "259-8",
        "name": "street",
        "optional": true
      },
      {
        "id": "259-9",
        "name": "light_expression",
        "optional": true
      }
    ]
  },
  "submarine": {
    "class_id": "260",
    "total_elements": 10,
    "elements": [
      {
        "id": "260-1",
        "name": "hull",
        "optional": false
      },
      {
        "id": "260-2",
        "name": "conning_tower",
        "optional": false
      },
      {
        "id": "260-3",
        "name": "periscope",
        "optional": false
      },
      {
        "id": "260-4",
        "name": "propeller",
        "optional": false
      },
      {
        "id": "260-5",
        "name": "rudder",
        "optional": false
      },
      {
        "id": "260-6",
        "name": "dive_planes",
        "optional": true
      },
      {
        "id": "260-7",
        "name": "sonar_dome",
        "optional": true
      },
      {
        "id": "260-8",
        "name": "hatch",
        "optional": true
      },
      {
        "id": "260-9",
        "name": "antennas",
        "optional": true
      },
      {
        "id": "260-10",
        "name": "water",
        "optional": true
      }
    ]
  },
  "suitcase": {
    "class_id": "261",
    "total_elements": 11,
    "elements": [
      {
        "id": "261-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "261-2",
        "name": "handle",
        "optional": false
      },
      {
        "id": "261-3",
        "name": "wheels",
        "optional": true
      },
      {
        "id": "261-4",
        "name": "feet",
        "optional": true
      },
      {
        "id": "261-5",
        "name": "zipper",
        "optional": true
      },
      {
        "id": "261-6",
        "name": "luggage_tag",
        "optional": true
      },
      {
        "id": "261-7",
        "name": "corner_protectors",
        "optional": true
      },
      {
        "id": "261-8",
        "name": "locks",
        "optional": true
      },
      {
        "id": "261-9",
        "name": "sticker",
        "optional": true
      },
      {
        "id": "261-10",
        "name": "retractable_handle",
        "optional": true
      },
      {
        "id": "261-11",
        "name": "side_handle",
        "optional": true
      }
    ]
  },
  "sun": {
    "class_id": "262",
    "total_elements": 5,
    "elements": [
      {
        "id": "262-1",
        "name": "core_circle",
        "optional": false
      },
      {
        "id": "262-2",
        "name": "rays",
        "optional": false
      },
      {
        "id": "262-3",
        "name": "curved_rays",
        "optional": true
      },
      {
        "id": "262-4",
        "name": "halo",
        "optional": true
      },
      {
        "id": "262-5",
        "name": "face",
        "optional": true
      }
    ]
  },
  "swan": {
    "class_id": "263",
    "total_elements": 11,
    "elements": [
      {
        "id": "263-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "263-2",
        "name": "neck",
        "optional": false
      },
      {
        "id": "263-3",
        "name": "body",
        "optional": false
      },
      {
        "id": "263-4",
        "name": "wings",
        "optional": false
      },
      {
        "id": "263-5",
        "name": "tail",
        "optional": false
      },
      {
        "id": "263-6",
        "name": "beak",
        "optional": false
      },
      {
        "id": "263-7",
        "name": "legs",
        "optional": true
      },
      {
        "id": "263-8",
        "name": "webbed_feet",
        "optional": true
      },
      {
        "id": "263-9",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "263-10",
        "name": "feathers",
        "optional": true
      },
      {
        "id": "263-11",
        "name": "water",
        "optional": true
      }
    ]
  },
  "sword": {
    "class_id": "264",
    "total_elements": 9,
    "elements": [
      {
        "id": "264-1",
        "name": "blade",
        "optional": false
      },
      {
        "id": "264-2",
        "name": "hilt",
        "optional": false
      },
      {
        "id": "264-3",
        "name": "crossguard",
        "optional": false
      },
      {
        "id": "264-4",
        "name": "pommel",
        "optional": true
      },
      {
        "id": "264-5",
        "name": "edge",
        "optional": false
      },
      {
        "id": "264-6",
        "name": "tip",
        "optional": false
      },
      {
        "id": "264-7",
        "name": "fuller",
        "optional": true
      },
      {
        "id": "264-8",
        "name": "ricasso",
        "optional": true
      },
      {
        "id": "264-9",
        "name": "quillons",
        "optional": true
      }
    ]
  },
  "syringe": {
    "class_id": "265",
    "total_elements": 7,
    "elements": [
      {
        "id": "265-1",
        "name": "barrel",
        "optional": false
      },
      {
        "id": "265-2",
        "name": "plunger",
        "optional": false
      },
      {
        "id": "265-3",
        "name": "plunger_handle",
        "optional": false
      },
      {
        "id": "265-4",
        "name": "needle",
        "optional": false
      },
      {
        "id": "265-5",
        "name": "scale_markings",
        "optional": false
      },
      {
        "id": "265-6",
        "name": "flange",
        "optional": false
      },
      {
        "id": "265-7",
        "name": "barrel_tip",
        "optional": false
      }
    ]
  },
  "t-shirt": {
    "class_id": "266",
    "total_elements": 8,
    "elements": [
      {
        "id": "266-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "266-2",
        "name": "sleeve",
        "optional": false
      },
      {
        "id": "266-3",
        "name": "neckline",
        "optional": false
      },
      {
        "id": "266-4",
        "name": "hem",
        "optional": false
      },
      {
        "id": "266-5",
        "name": "shoulder_seam",
        "optional": false
      },
      {
        "id": "266-6",
        "name": "side_seam",
        "optional": false
      },
      {
        "id": "266-7",
        "name": "detail",
        "optional": true
      },
      {
        "id": "266-8",
        "name": "printing",
        "optional": true
      }
    ]
  },
  "table": {
    "class_id": "267",
    "total_elements": 11,
    "elements": [
      {
        "id": "267-1",
        "name": "top_surface",
        "optional": false
      },
      {
        "id": "267-2",
        "name": "legs",
        "optional": false
      },
      {
        "id": "267-3",
        "name": "apron",
        "optional": true
      },
      {
        "id": "267-4",
        "name": "drawer",
        "optional": true
      },
      {
        "id": "267-5",
        "name": "shelf",
        "optional": true
      },
      {
        "id": "267-6",
        "name": "stretcher",
        "optional": true
      },
      {
        "id": "267-7",
        "name": "extension_leaf",
        "optional": true
      },
      {
        "id": "267-8",
        "name": "stuff",
        "optional": true
      },
      {
        "id": "267-9",
        "name": "tablecloth",
        "optional": true
      },
      {
        "id": "267-10",
        "name": "chair",
        "optional": true
      },
      {
        "id": "267-11",
        "name": "wheels",
        "optional": true
      }
    ]
  },
  "table_tennis": {
    "class_id": "268",
    "total_elements": 9,
    "elements": [
      {
        "id": "268-1",
        "name": "table",
        "optional": false
      },
      {
        "id": "268-2",
        "name": "net",
        "optional": false
      },
      {
        "id": "268-3",
        "name": "racket",
        "optional": false
      },
      {
        "id": "268-4",
        "name": "ball",
        "optional": false
      },
      {
        "id": "268-5",
        "name": "table_lines",
        "optional": false
      },
      {
        "id": "268-6",
        "name": "racket_handle",
        "optional": false
      },
      {
        "id": "268-7",
        "name": "racket_surface",
        "optional": false
      },
      {
        "id": "268-8",
        "name": "net_supports",
        "optional": true
      },
      {
        "id": "268-9",
        "name": "table_legs",
        "optional": true
      }
    ]
  },
  "teapot": {
    "class_id": "269",
    "total_elements": 7,
    "elements": [
      {
        "id": "269-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "269-2",
        "name": "spout",
        "optional": false
      },
      {
        "id": "269-3",
        "name": "handle",
        "optional": false
      },
      {
        "id": "269-4",
        "name": "lid",
        "optional": false
      },
      {
        "id": "269-5",
        "name": "lid_knob",
        "optional": false
      },
      {
        "id": "269-6",
        "name": "spout_tip",
        "optional": false
      },
      {
        "id": "269-7",
        "name": "decorative_pattern",
        "optional": true
      }
    ]
  },
  "teddy_bear": {
    "class_id": "270",
    "total_elements": 14,
    "elements": [
      {
        "id": "270-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "270-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "270-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "270-4",
        "name": "nose",
        "optional": false
      },
      {
        "id": "270-5",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "270-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "270-7",
        "name": "arms",
        "optional": false
      },
      {
        "id": "270-8",
        "name": "legs",
        "optional": false
      },
      {
        "id": "270-9",
        "name": "paws",
        "optional": false
      },
      {
        "id": "270-10",
        "name": "belly_patch",
        "optional": true
      },
      {
        "id": "270-11",
        "name": "bow_tie",
        "optional": true
      },
      {
        "id": "270-12",
        "name": "stitching",
        "optional": true
      },
      {
        "id": "270-13",
        "name": "tail",
        "optional": true
      },
      {
        "id": "270-14",
        "name": "seams",
        "optional": true
      }
    ]
  },
  "telephone": {
    "class_id": "271",
    "total_elements": 11,
    "elements": [
      {
        "id": "271-1",
        "name": "handset",
        "optional": false
      },
      {
        "id": "271-2",
        "name": "cord",
        "optional": true
      },
      {
        "id": "271-3",
        "name": "base",
        "optional": false
      },
      {
        "id": "271-4",
        "name": "dial_pad",
        "optional": false
      },
      {
        "id": "271-5",
        "name": "speaker",
        "optional": false
      },
      {
        "id": "271-6",
        "name": "microphone",
        "optional": false
      },
      {
        "id": "271-7",
        "name": "hook_switch",
        "optional": true
      },
      {
        "id": "271-8",
        "name": "ringer",
        "optional": true
      },
      {
        "id": "271-9",
        "name": "display",
        "optional": true
      },
      {
        "id": "271-10",
        "name": "volume_control",
        "optional": true
      },
      {
        "id": "271-11",
        "name": "receiver_hook",
        "optional": true
      }
    ]
  },
  "television": {
    "class_id": "272",
    "total_elements": 6,
    "elements": [
      {
        "id": "272-1",
        "name": "screen",
        "optional": false
      },
      {
        "id": "272-2",
        "name": "frame",
        "optional": false
      },
      {
        "id": "272-3",
        "name": "stand",
        "optional": true
      },
      {
        "id": "272-4",
        "name": "control_buttons",
        "optional": true
      },
      {
        "id": "272-5",
        "name": "speakers",
        "optional": true
      },
      {
        "id": "272-6",
        "name": "remote_sensor",
        "optional": true
      }
    ]
  },
  "tennis_racquet": {
    "class_id": "273",
    "total_elements": 7,
    "elements": [
      {
        "id": "273-1",
        "name": "frame",
        "optional": false
      },
      {
        "id": "273-2",
        "name": "strings",
        "optional": false
      },
      {
        "id": "273-3",
        "name": "throat",
        "optional": false
      },
      {
        "id": "273-4",
        "name": "handle",
        "optional": false
      },
      {
        "id": "273-5",
        "name": "grip",
        "optional": false
      },
      {
        "id": "273-6",
        "name": "butt_cap",
        "optional": true
      },
      {
        "id": "273-7",
        "name": "ball",
        "optional": true
      }
    ]
  },
  "tent": {
    "class_id": "274",
    "total_elements": 8,
    "elements": [
      {
        "id": "274-1",
        "name": "main_body",
        "optional": false
      },
      {
        "id": "274-2",
        "name": "entrance_flap",
        "optional": false
      },
      {
        "id": "274-3",
        "name": "poles",
        "optional": false
      },
      {
        "id": "274-4",
        "name": "guy_lines",
        "optional": true
      },
      {
        "id": "274-5",
        "name": "pegs",
        "optional": true
      },
      {
        "id": "274-6",
        "name": "rainfly",
        "optional": true
      },
      {
        "id": "274-7",
        "name": "windows",
        "optional": true
      },
      {
        "id": "274-8",
        "name": "context_ground",
        "optional": false
      }
    ]
  },
  "tiger": {
    "class_id": "275",
    "total_elements": 15,
    "elements": [
      {
        "id": "275-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "275-2",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "275-3",
        "name": "nose",
        "optional": false
      },
      {
        "id": "275-4",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "275-5",
        "name": "ears",
        "optional": false
      },
      {
        "id": "275-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "275-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "275-8",
        "name": "paws",
        "optional": false
      },
      {
        "id": "275-9",
        "name": "tail",
        "optional": false
      },
      {
        "id": "275-10",
        "name": "stripes",
        "optional": false
      },
      {
        "id": "275-11",
        "name": "whiskers",
        "optional": true
      },
      {
        "id": "275-12",
        "name": "claws",
        "optional": true
      },
      {
        "id": "275-13",
        "name": "fur",
        "optional": true
      },
      {
        "id": "275-14",
        "name": "jaw",
        "optional": false
      },
      {
        "id": "275-15",
        "name": "teeth",
        "optional": true
      }
    ]
  },
  "toaster": {
    "class_id": "276",
    "total_elements": 9,
    "elements": [
      {
        "id": "276-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "276-2",
        "name": "slot",
        "optional": false
      },
      {
        "id": "276-3",
        "name": "lever",
        "optional": false
      },
      {
        "id": "276-4",
        "name": "control_knob",
        "optional": false
      },
      {
        "id": "276-5",
        "name": "toast",
        "optional": true
      },
      {
        "id": "276-6",
        "name": "power_cord",
        "optional": true
      },
      {
        "id": "276-7",
        "name": "button",
        "optional": true
      },
      {
        "id": "276-8",
        "name": "brand_label",
        "optional": true
      },
      {
        "id": "276-9",
        "name": "foot",
        "optional": true
      }
    ]
  },
  "toilet": {
    "class_id": "277",
    "total_elements": 8,
    "elements": [
      {
        "id": "277-1",
        "name": "bowl",
        "optional": false
      },
      {
        "id": "277-2",
        "name": "tank",
        "optional": false
      },
      {
        "id": "277-3",
        "name": "lid",
        "optional": false
      },
      {
        "id": "277-4",
        "name": "seat",
        "optional": false
      },
      {
        "id": "277-5",
        "name": "flush_handle",
        "optional": false
      },
      {
        "id": "277-6",
        "name": "base",
        "optional": false
      },
      {
        "id": "277-7",
        "name": "trapway",
        "optional": false
      },
      {
        "id": "277-8",
        "name": "water_surface",
        "optional": true
      }
    ]
  },
  "tooth": {
    "class_id": "278",
    "total_elements": 4,
    "elements": [
      {
        "id": "278-1",
        "name": "crown",
        "optional": false
      },
      {
        "id": "278-2",
        "name": "root",
        "optional": true
      },
      {
        "id": "278-3",
        "name": "grooves",
        "optional": true
      },
      {
        "id": "278-4",
        "name": "gums",
        "optional": false
      }
    ]
  },
  "toothbrush": {
    "class_id": "279",
    "total_elements": 8,
    "elements": [
      {
        "id": "279-1",
        "name": "handle",
        "optional": false
      },
      {
        "id": "279-2",
        "name": "brush_head",
        "optional": false
      },
      {
        "id": "279-3",
        "name": "bristles",
        "optional": false
      },
      {
        "id": "279-4",
        "name": "neck",
        "optional": false
      },
      {
        "id": "279-5",
        "name": "grip",
        "optional": true
      },
      {
        "id": "279-6",
        "name": "toothpaste",
        "optional": true
      },
      {
        "id": "279-7",
        "name": "hanging_hole",
        "optional": true
      },
      {
        "id": "279-8",
        "name": "flexible_joint",
        "optional": true
      }
    ]
  },
  "toothpaste": {
    "class_id": "280",
    "total_elements": 7,
    "elements": [
      {
        "id": "280-1",
        "name": "tube",
        "optional": false
      },
      {
        "id": "280-2",
        "name": "cap",
        "optional": false
      },
      {
        "id": "280-3",
        "name": "nozzle",
        "optional": false
      },
      {
        "id": "280-4",
        "name": "brand_label",
        "optional": true
      },
      {
        "id": "280-5",
        "name": "folded_end",
        "optional": true
      },
      {
        "id": "280-6",
        "name": "paste",
        "optional": true
      },
      {
        "id": "280-7",
        "name": "thread",
        "optional": false
      }
    ]
  },
  "tractor": {
    "class_id": "281",
    "total_elements": 13,
    "elements": [
      {
        "id": "281-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "281-2",
        "name": "cabin",
        "optional": false
      },
      {
        "id": "281-3",
        "name": "front_wheels",
        "optional": false
      },
      {
        "id": "281-4",
        "name": "rear_wheels",
        "optional": false
      },
      {
        "id": "281-5",
        "name": "exhaust_pipe",
        "optional": false
      },
      {
        "id": "281-6",
        "name": "engine_hood",
        "optional": false
      },
      {
        "id": "281-7",
        "name": "steering_wheel",
        "optional": false
      },
      {
        "id": "281-8",
        "name": "headlights",
        "optional": true
      },
      {
        "id": "281-9",
        "name": "mudguards",
        "optional": true
      },
      {
        "id": "281-10",
        "name": "fuel_tank",
        "optional": false
      },
      {
        "id": "281-11",
        "name": "seat",
        "optional": false
      },
      {
        "id": "281-12",
        "name": "steps",
        "optional": true
      },
      {
        "id": "281-13",
        "name": "grill",
        "optional": true
      }
    ]
  },
  "traffic_light": {
    "class_id": "282",
    "total_elements": 6,
    "elements": [
      {
        "id": "282-1",
        "name": "pole",
        "optional": false
      },
      {
        "id": "282-2",
        "name": "light_housing",
        "optional": false
      },
      {
        "id": "282-3",
        "name": "lights",
        "optional": false
      },
      {
        "id": "282-4",
        "name": "mounting_bracket",
        "optional": true
      },
      {
        "id": "282-5",
        "name": "crosswalk_signal",
        "optional": true
      },
      {
        "id": "282-6",
        "name": "street",
        "optional": true
      }
    ]
  },
  "train": {
    "class_id": "283",
    "total_elements": 13,
    "elements": [
      {
        "id": "283-1",
        "name": "engine",
        "optional": false
      },
      {
        "id": "283-2",
        "name": "cab",
        "optional": false
      },
      {
        "id": "283-3",
        "name": "cars",
        "optional": false
      },
      {
        "id": "283-4",
        "name": "wheels",
        "optional": false
      },
      {
        "id": "283-5",
        "name": "tracks",
        "optional": true
      },
      {
        "id": "283-6",
        "name": "windows",
        "optional": false
      },
      {
        "id": "283-7",
        "name": "couplers",
        "optional": true
      },
      {
        "id": "283-8",
        "name": "smokestack",
        "optional": true
      },
      {
        "id": "283-9",
        "name": "headlight",
        "optional": true
      },
      {
        "id": "283-10",
        "name": "doors",
        "optional": true
      },
      {
        "id": "283-11",
        "name": "roof",
        "optional": false
      },
      {
        "id": "283-12",
        "name": "bogies",
        "optional": true
      },
      {
        "id": "283-13",
        "name": "buffer",
        "optional": true
      }
    ]
  },
  "tree": {
    "class_id": "284",
    "total_elements": 9,
    "elements": [
      {
        "id": "284-1",
        "name": "trunk",
        "optional": false
      },
      {
        "id": "284-2",
        "name": "branches",
        "optional": false
      },
      {
        "id": "284-3",
        "name": "leaves",
        "optional": false
      },
      {
        "id": "284-4",
        "name": "roots",
        "optional": true
      },
      {
        "id": "284-5",
        "name": "fruits",
        "optional": true
      },
      {
        "id": "284-6",
        "name": "bark_texture",
        "optional": true
      },
      {
        "id": "284-7",
        "name": "crown",
        "optional": false
      },
      {
        "id": "284-8",
        "name": "hollow",
        "optional": true
      },
      {
        "id": "284-9",
        "name": "flowers",
        "optional": true
      }
    ]
  },
  "trombone": {
    "class_id": "285",
    "total_elements": 9,
    "elements": [
      {
        "id": "285-1",
        "name": "bell",
        "optional": false
      },
      {
        "id": "285-2",
        "name": "slide",
        "optional": false
      },
      {
        "id": "285-3",
        "name": "mouthpiece",
        "optional": false
      },
      {
        "id": "285-4",
        "name": "tuning_slide",
        "optional": false
      },
      {
        "id": "285-5",
        "name": "brace",
        "optional": false
      },
      {
        "id": "285-6",
        "name": "bell_brace",
        "optional": false
      },
      {
        "id": "285-7",
        "name": "counterweight",
        "optional": true
      },
      {
        "id": "285-8",
        "name": "hand_grip",
        "optional": false
      },
      {
        "id": "285-9",
        "name": "bell_rim",
        "optional": true
      }
    ]
  },
  "truck": {
    "class_id": "286",
    "total_elements": 11,
    "elements": [
      {
        "id": "286-1",
        "name": "cabin",
        "optional": false
      },
      {
        "id": "286-2",
        "name": "cargo_area",
        "optional": false
      },
      {
        "id": "286-3",
        "name": "wheels",
        "optional": false
      },
      {
        "id": "286-4",
        "name": "grille",
        "optional": false
      },
      {
        "id": "286-5",
        "name": "headlights",
        "optional": false
      },
      {
        "id": "286-6",
        "name": "side_mirrors",
        "optional": false
      },
      {
        "id": "286-7",
        "name": "exhaust_pipe",
        "optional": true
      },
      {
        "id": "286-8",
        "name": "bumper",
        "optional": true
      },
      {
        "id": "286-9",
        "name": "door",
        "optional": false
      },
      {
        "id": "286-10",
        "name": "windshield",
        "optional": false
      },
      {
        "id": "286-11",
        "name": "taillights",
        "optional": false
      }
    ]
  },
  "trumpet": {
    "class_id": "287",
    "total_elements": 9,
    "elements": [
      {
        "id": "287-1",
        "name": "bell",
        "optional": false
      },
      {
        "id": "287-2",
        "name": "mouthpiece",
        "optional": false
      },
      {
        "id": "287-3",
        "name": "valves",
        "optional": false
      },
      {
        "id": "287-4",
        "name": "leadpipe",
        "optional": false
      },
      {
        "id": "287-5",
        "name": "slides",
        "optional": false
      },
      {
        "id": "287-6",
        "name": "tuning_slide",
        "optional": false
      },
      {
        "id": "287-7",
        "name": "finger_hooks",
        "optional": true
      },
      {
        "id": "287-8",
        "name": "brace",
        "optional": true
      },
      {
        "id": "287-9",
        "name": "body",
        "optional": false
      }
    ]
  },
  "turtle": {
    "class_id": "288",
    "total_elements": 11,
    "elements": [
      {
        "id": "288-1",
        "name": "shell",
        "optional": false
      },
      {
        "id": "288-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "288-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "288-4",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "288-5",
        "name": "legs",
        "optional": false
      },
      {
        "id": "288-6",
        "name": "tail",
        "optional": false
      },
      {
        "id": "288-7",
        "name": "shell_patterns",
        "optional": true
      },
      {
        "id": "288-8",
        "name": "neck",
        "optional": false
      },
      {
        "id": "288-9",
        "name": "flippers",
        "optional": true
      },
      {
        "id": "288-10",
        "name": "claws",
        "optional": true
      },
      {
        "id": "288-11",
        "name": "water",
        "optional": true
      }
    ]
  },
  "umbrella": {
    "class_id": "289",
    "total_elements": 7,
    "elements": [
      {
        "id": "289-1",
        "name": "canopy",
        "optional": false
      },
      {
        "id": "289-2",
        "name": "ribs",
        "optional": false
      },
      {
        "id": "289-3",
        "name": "shaft",
        "optional": false
      },
      {
        "id": "289-4",
        "name": "handle",
        "optional": false
      },
      {
        "id": "289-5",
        "name": "tips",
        "optional": false
      },
      {
        "id": "289-6",
        "name": "ferrule",
        "optional": false
      },
      {
        "id": "289-7",
        "name": "tie",
        "optional": true
      }
    ]
  },
  "van": {
    "class_id": "290",
    "total_elements": 12,
    "elements": [
      {
        "id": "290-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "290-2",
        "name": "wheels",
        "optional": false
      },
      {
        "id": "290-3",
        "name": "windows",
        "optional": false
      },
      {
        "id": "290-4",
        "name": "windshield",
        "optional": false
      },
      {
        "id": "290-5",
        "name": "door",
        "optional": false
      },
      {
        "id": "290-6",
        "name": "headlights",
        "optional": false
      },
      {
        "id": "290-7",
        "name": "taillights",
        "optional": false
      },
      {
        "id": "290-8",
        "name": "side_mirrors",
        "optional": false
      },
      {
        "id": "290-9",
        "name": "grille",
        "optional": true
      },
      {
        "id": "290-10",
        "name": "roof_rack",
        "optional": true
      },
      {
        "id": "290-11",
        "name": "bumper",
        "optional": false
      },
      {
        "id": "290-12",
        "name": "exhaust_pipe",
        "optional": true
      }
    ]
  },
  "vase": {
    "class_id": "291",
    "total_elements": 7,
    "elements": [
      {
        "id": "291-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "291-2",
        "name": "neck",
        "optional": false
      },
      {
        "id": "291-3",
        "name": "opening",
        "optional": false
      },
      {
        "id": "291-4",
        "name": "handle",
        "optional": true
      },
      {
        "id": "291-5",
        "name": "decorative_pattern",
        "optional": true
      },
      {
        "id": "291-6",
        "name": "rim",
        "optional": false
      },
      {
        "id": "291-7",
        "name": "water",
        "optional": true
      }
    ]
  },
  "violin": {
    "class_id": "292",
    "total_elements": 11,
    "elements": [
      {
        "id": "292-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "292-2",
        "name": "neck",
        "optional": false
      },
      {
        "id": "292-3",
        "name": "fingerboard",
        "optional": false
      },
      {
        "id": "292-4",
        "name": "pegs",
        "optional": false
      },
      {
        "id": "292-5",
        "name": "scroll",
        "optional": false
      },
      {
        "id": "292-6",
        "name": "bridge",
        "optional": false
      },
      {
        "id": "292-7",
        "name": "strings",
        "optional": false
      },
      {
        "id": "292-8",
        "name": "tailpiece",
        "optional": false
      },
      {
        "id": "292-9",
        "name": "f-holes",
        "optional": false
      },
      {
        "id": "292-10",
        "name": "chin_rest",
        "optional": true
      },
      {
        "id": "292-11",
        "name": "bow",
        "optional": false
      }
    ]
  },
  "walkie_talkie": {
    "class_id": "293",
    "total_elements": 8,
    "elements": [
      {
        "id": "293-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "293-2",
        "name": "antenna",
        "optional": false
      },
      {
        "id": "293-3",
        "name": "speaker",
        "optional": false
      },
      {
        "id": "293-4",
        "name": "microphone",
        "optional": false
      },
      {
        "id": "293-5",
        "name": "display",
        "optional": true
      },
      {
        "id": "293-6",
        "name": "button",
        "optional": false
      },
      {
        "id": "293-7",
        "name": "volume_dial",
        "optional": true
      },
      {
        "id": "293-8",
        "name": "channel_knob",
        "optional": true
      }
    ]
  },
  "watermelon": {
    "class_id": "294",
    "total_elements": 9,
    "elements": [
      {
        "id": "294-1",
        "name": "outer_shell",
        "optional": false
      },
      {
        "id": "294-2",
        "name": "stripes",
        "optional": false
      },
      {
        "id": "294-3",
        "name": "inner_flesh",
        "optional": false
      },
      {
        "id": "294-4",
        "name": "seeds",
        "optional": true
      },
      {
        "id": "294-5",
        "name": "cross_section",
        "optional": false
      },
      {
        "id": "294-6",
        "name": "rind",
        "optional": false
      },
      {
        "id": "294-7",
        "name": "slice",
        "optional": false
      },
      {
        "id": "294-8",
        "name": "stem",
        "optional": true
      },
      {
        "id": "294-9",
        "name": "bite_mark",
        "optional": true
      }
    ]
  },
  "whale": {
    "class_id": "295",
    "total_elements": 13,
    "elements": [
      {
        "id": "295-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "295-2",
        "name": "head",
        "optional": false
      },
      {
        "id": "295-3",
        "name": "tail_fluke",
        "optional": false
      },
      {
        "id": "295-4",
        "name": "dorsal_fin",
        "optional": false
      },
      {
        "id": "295-5",
        "name": "pectoral_fins",
        "optional": false
      },
      {
        "id": "295-6",
        "name": "blowhole",
        "optional": false
      },
      {
        "id": "295-7",
        "name": "mouth",
        "optional": false
      },
      {
        "id": "295-8",
        "name": "eye",
        "optional": false
      },
      {
        "id": "295-9",
        "name": "teeth",
        "optional": true
      },
      {
        "id": "295-10",
        "name": "water_spray",
        "optional": true
      },
      {
        "id": "295-11",
        "name": "skin_texture",
        "optional": true
      },
      {
        "id": "295-12",
        "name": "water_surface",
        "optional": true
      },
      {
        "id": "295-13",
        "name": "ventral_pleats",
        "optional": true
      }
    ]
  },
  "wheel": {
    "class_id": "296",
    "total_elements": 7,
    "elements": [
      {
        "id": "296-1",
        "name": "outer_circle",
        "optional": false
      },
      {
        "id": "296-2",
        "name": "inner_circle",
        "optional": false
      },
      {
        "id": "296-3",
        "name": "spokes",
        "optional": false
      },
      {
        "id": "296-4",
        "name": "tread",
        "optional": true
      },
      {
        "id": "296-5",
        "name": "axle_hole",
        "optional": false
      },
      {
        "id": "296-6",
        "name": "lug_nuts",
        "optional": true
      },
      {
        "id": "296-7",
        "name": "rim",
        "optional": false
      }
    ]
  },
  "windmill": {
    "class_id": "297",
    "total_elements": 7,
    "elements": [
      {
        "id": "297-1",
        "name": "tower",
        "optional": false
      },
      {
        "id": "297-2",
        "name": "blades",
        "optional": false
      },
      {
        "id": "297-3",
        "name": "door",
        "optional": true
      },
      {
        "id": "297-4",
        "name": "windows",
        "optional": true
      },
      {
        "id": "297-5",
        "name": "moving_line",
        "optional": true
      },
      {
        "id": "297-6",
        "name": "wind",
        "optional": true
      },
      {
        "id": "297-7",
        "name": "ground",
        "optional": true
      }
    ]
  },
  "wine_bottle": {
    "class_id": "298",
    "total_elements": 8,
    "elements": [
      {
        "id": "298-1",
        "name": "body",
        "optional": false
      },
      {
        "id": "298-2",
        "name": "neck",
        "optional": false
      },
      {
        "id": "298-3",
        "name": "opening",
        "optional": false
      },
      {
        "id": "298-4",
        "name": "cork",
        "optional": true
      },
      {
        "id": "298-5",
        "name": "label",
        "optional": true
      },
      {
        "id": "298-6",
        "name": "shoulder",
        "optional": true
      },
      {
        "id": "298-7",
        "name": "punt",
        "optional": true
      },
      {
        "id": "298-8",
        "name": "foil",
        "optional": true
      }
    ]
  },
  "wine_glass": {
    "class_id": "299",
    "total_elements": 7,
    "elements": [
      {
        "id": "299-1",
        "name": "bowl",
        "optional": false
      },
      {
        "id": "299-2",
        "name": "rim",
        "optional": false
      },
      {
        "id": "299-3",
        "name": "stem",
        "optional": false
      },
      {
        "id": "299-4",
        "name": "base",
        "optional": false
      },
      {
        "id": "299-5",
        "name": "bowl_curve",
        "optional": false
      },
      {
        "id": "299-6",
        "name": "reflection",
        "optional": true
      },
      {
        "id": "299-7",
        "name": "wine_surface",
        "optional": true
      }
    ]
  },
  "zebra": {
    "class_id": "300",
    "total_elements": 14,
    "elements": [
      {
        "id": "300-1",
        "name": "head",
        "optional": false
      },
      {
        "id": "300-2",
        "name": "ears",
        "optional": false
      },
      {
        "id": "300-3",
        "name": "eyes",
        "optional": false
      },
      {
        "id": "300-4",
        "name": "muzzle",
        "optional": false
      },
      {
        "id": "300-5",
        "name": "mane",
        "optional": false
      },
      {
        "id": "300-6",
        "name": "body",
        "optional": false
      },
      {
        "id": "300-7",
        "name": "legs",
        "optional": false
      },
      {
        "id": "300-8",
        "name": "tail",
        "optional": false
      },
      {
        "id": "300-9",
        "name": "stripes",
        "optional": false
      },
      {
        "id": "300-10",
        "name": "hooves",
        "optional": true
      },
      {
        "id": "300-11",
        "name": "nostrils",
        "optional": true
      },
      {
        "id": "300-12",
        "name": "mouth",
        "optional": true
      },
      {
        "id": "300-13",
        "name": "neck",
        "optional": false
      },
      {
        "id": "300-14",
        "name": "horizon_line",
        "optional": true
      }
    ]
  }
}