{
    "contact_points": [
        {
            "id": [0, 1, 2, 3, 4, 5],
            "description": "The edge of the mug",
            "usage": "Used for grasping the mug."
        }
    ],
    "functional_points": [
        {
            "id": 0,
            "description": "At the center of the mug handle",
            "usage": "Used to hang the mug on the rack."
        },
        {
            "id": 1,
            "description": "At the bottom of the mug",
            "usage": "Used to place the mug on a surface."
        }
    ]
}