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      "model_index": 108,
      "label": "RoRo",
      "parent_label": "civil_ship",
      "ancestor_labels": [
        "ship",
        "civil_ship"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 109,
      "label": "serviceCraft",
      "parent_label": "civil_ship",
      "ancestor_labels": [
        "ship",
        "civil_ship"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 110,
      "label": "Small_leisure_craft",
      "parent_label": "civil_ship",
      "ancestor_labels": [
        "ship",
        "civil_ship"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 111,
      "label": "small_Ro-Ro_ferry",
      "parent_label": "civil_ship",
      "ancestor_labels": [
        "ship",
        "civil_ship"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 112,
      "label": "tiny_boat",
      "parent_label": "civil_ship",
      "ancestor_labels": [
        "ship",
        "civil_ship"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 113,
      "label": "tiny_ship",
      "parent_label": "civil_ship",
      "ancestor_labels": [
        "ship",
        "civil_ship"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 114,
      "label": "Tugboat",
      "parent_label": "civil_ship",
      "ancestor_labels": [
        "ship",
        "civil_ship"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 115,
      "label": "yacht",
      "parent_label": "civil_ship",
      "ancestor_labels": [
        "ship",
        "civil_ship"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 116,
      "label": "war",
      "parent_label": "ship",
      "ancestor_labels": [
        "ship"
      ],
      "hierarchy_level": 2
    },
    {
      "model_index": 117,
      "label": "AOE",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 118,
      "label": "AS",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 119,
      "label": "Auxiliary Ships",
      "parent_label": "AS",
      "ancestor_labels": [
        "ship",
        "war",
        "AS"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 120,
      "label": "Masyuu AS",
      "parent_label": "AS",
      "ancestor_labels": [
        "ship",
        "war",
        "AS"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 121,
      "label": "Sanantonio AS",
      "parent_label": "AS",
      "ancestor_labels": [
        "ship",
        "war",
        "AS"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 122,
      "label": "C",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 123,
      "label": "other cruiser",
      "parent_label": "C",
      "ancestor_labels": [
        "ship",
        "war",
        "C"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 124,
      "label": "Ticonderoga",
      "parent_label": "C",
      "ancestor_labels": [
        "ship",
        "war",
        "C"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 125,
      "label": "commander",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 126,
      "label": "other Commander",
      "parent_label": "commander",
      "ancestor_labels": [
        "ship",
        "war",
        "commander"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 127,
      "label": "USS Blue Ridge (LCC-19)",
      "parent_label": "commander",
      "ancestor_labels": [
        "ship",
        "war",
        "commander"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 128,
      "label": "CV",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 129,
      "label": "Enterprise",
      "parent_label": "CV",
      "ancestor_labels": [
        "ship",
        "war",
        "CV"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 130,
      "label": "Midway",
      "parent_label": "CV",
      "ancestor_labels": [
        "ship",
        "war",
        "CV"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 131,
      "label": "Nimitz",
      "parent_label": "CV",
      "ancestor_labels": [
        "ship",
        "war",
        "CV"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 132,
      "label": "other Aircraft carrier",
      "parent_label": "CV",
      "ancestor_labels": [
        "ship",
        "war",
        "CV"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 133,
      "label": "DD",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 134,
      "label": "Arleigh Burke DD",
      "parent_label": "DD",
      "ancestor_labels": [
        "ship",
        "war",
        "DD"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 135,
      "label": "Asagiri DD",
      "parent_label": "DD",
      "ancestor_labels": [
        "ship",
        "war",
        "DD"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 136,
      "label": "Atago DD",
      "parent_label": "DD",
      "ancestor_labels": [
        "ship",
        "war",
        "DD"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 137,
      "label": "Hatsuyuki DD",
      "parent_label": "DD",
      "ancestor_labels": [
        "ship",
        "war",
        "DD"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 138,
      "label": "Hyuga DDH",
      "parent_label": "DD",
      "ancestor_labels": [
        "ship",
        "war",
        "DD"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 139,
      "label": "other Destroyer",
      "parent_label": "DD",
      "ancestor_labels": [
        "ship",
        "war",
        "DD"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 140,
      "label": "EPF",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 141,
      "label": "FF",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 142,
      "label": "Perry FF",
      "parent_label": "FF",
      "ancestor_labels": [
        "ship",
        "war",
        "FF"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 143,
      "label": "Frigate",
      "parent_label": "FF",
      "ancestor_labels": [
        "ship",
        "war",
        "FF"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 144,
      "label": "Landing",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 145,
      "label": "Austin LL",
      "parent_label": "Landing",
      "ancestor_labels": [
        "ship",
        "war",
        "Landing"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 146,
      "label": "LHA LL",
      "parent_label": "Landing",
      "ancestor_labels": [
        "ship",
        "war",
        "Landing"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 147,
      "label": "LSD_41 LL",
      "parent_label": "Landing",
      "ancestor_labels": [
        "ship",
        "war",
        "Landing"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 148,
      "label": "Osumi LL",
      "parent_label": "Landing",
      "ancestor_labels": [
        "ship",
        "war",
        "Landing"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 149,
      "label": "Wasp LL",
      "parent_label": "Landing",
      "ancestor_labels": [
        "ship",
        "war",
        "Landing"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 150,
      "label": "LL",
      "parent_label": "Landing",
      "ancestor_labels": [
        "ship",
        "war",
        "Landing"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 151,
      "label": "other landing",
      "parent_label": "Landing",
      "ancestor_labels": [
        "ship",
        "war",
        "Landing"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 152,
      "label": "LCS",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 153,
      "label": "DULI",
      "parent_label": "LCS",
      "ancestor_labels": [
        "ship",
        "war",
        "LCS"
      ],
      "hierarchy_level": 4
    },
    {
      "model_index": 154,
      "label": "Medical ship",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 155,
      "label": "other Warship",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 156,
      "label": "patrolForce",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 157,
      "label": "Submarine",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    },
    {
      "model_index": 158,
      "label": "Test ship",
      "parent_label": "war",
      "ancestor_labels": [
        "ship",
        "war"
      ],
      "hierarchy_level": 3
    }
  ],
  "class_hierarchy": {
    "plane": [
      "Airliner",
      "notairliner",
      "other-airplane"
    ],
    "Airliner": [
      "A220",
      "A321",
      "A330",
      "A350",
      "ARJ21",
      "Boeing737",
      "Boeing747",
      "Boeing777",
      "Boeing787",
      "C919"
    ],
    "notairliner": [
      "A-10",
      "A-26",
      "B-1",
      "B-1B",
      "B-2",
      "B-29",
      "B-52",
      "C-130",
      "C-135",
      "C-17",
      "C-21",
      "C-5",
      "E-3",
      "E-8",
      "F-15",
      "F-16",
      "F-22",
      "F-5",
      "FA-18",
      "KC-10",
      "KC-135",
      "P-3C",
      "P-63",
      "SU-24",
      "SU-34",
      "SU-35",
      "T-43",
      "T-6",
      "TU-160",
      "TU-22",
      "TU-95",
      "U-2"
    ],
    "vehicle": [
      "car",
      "bus",
      "camping_car",
      "Cargo Truck",
      "dump truck",
      "Excavator",
      "other",
      "pickup",
      "small-vehicle",
      "tractor",
      "Trailer",
      "Truck Tractor",
      "van"
    ],
    "ship": [
      "civil_ship",
      "war"
    ],
    "civil_ship": [
      "bargePontoon",
      "bulkCarrier",
      "Car_carrier",
      "coastGuard",
      "Container_Ship",
      "Dock",
      "dredgerReclamation",
      "dredging",
      "drill",
      "Engineering_Ship",
      "Fishing_Vessel",
      "Hovercraft",
      "Large_sail_ship",
      "Liquid_Cargo_Ship",
      "lpg",
      "Merchant",
      "offshore",
      "oreCarrier",
      "passenger",
      "RoRo",
      "serviceCraft",
      "Small_leisure_craft",
      "small_Ro-Ro_ferry",
      "tiny_boat",
      "tiny_ship",
      "Tugboat",
      "yacht"
    ],
    "war": [
      "AOE",
      "AS",
      "C",
      "commander",
      "CV",
      "DD",
      "EPF",
      "FF",
      "Landing",
      "LCS",
      "Medical ship",
      "other Warship",
      "patrolForce",
      "Submarine",
      "Test ship"
    ],
    "AS": [
      "Auxiliary Ships",
      "Masyuu AS",
      "Sanantonio AS"
    ],
    "C": [
      "other cruiser",
      "Ticonderoga"
    ],
    "commander": [
      "other Commander",
      "USS Blue Ridge (LCC-19)"
    ],
    "CV": [
      "Enterprise",
      "Midway",
      "Nimitz",
      "other Aircraft carrier"
    ],
    "DD": [
      "Arleigh Burke DD",
      "Asagiri DD",
      "Atago DD",
      "Hatsuyuki DD",
      "Hyuga DDH",
      "other Destroyer"
    ],
    "FF": [
      "Perry FF",
      "Frigate"
    ],
    "Landing": [
      "Austin LL",
      "LHA LL",
      "LSD_41 LL",
      "Osumi LL",
      "Wasp LL",
      "LL",
      "other landing"
    ],
    "LCS": [
      "DULI"
    ]
  }
}