{
    "objects": [
        {
            "name": "car_left",
            "type": "vehicle",
            "bbox_topdown": [
                [
                    120,
                    420
                ],
                [
                    240,
                    420
                ],
                [
                    255,
                    560
                ],
                [
                    95,
                    560
                ]
            ]
        },
        {
            "name": "road_surface",
            "type": "road",
            "bbox_topdown": [
                [
                    0,
                    430
                ],
                [
                    1020,
                    430
                ],
                [
                    1020,
                    720
                ],
                [
                    0,
                    720
                ]
            ]
        },
        {
            "name": "center_lane_marker",
            "type": "road_marking",
            "bbox_topdown": [
                [
                    510,
                    520
                ],
                [
                    530,
                    520
                ],
                [
                    585,
                    700
                ],
                [
                    565,
                    700
                ]
            ]
        }
    ],
    "regions": [
        {
            "name": "intersection_area",
            "type": "intersection",
            "bbox_topdown": [
                [
                    380,
                    430
                ],
                [
                    650,
                    430
                ],
                [
                    760,
                    710
                ],
                [
                    260,
                    710
                ]
            ]
        },
        {
            "name": "traffic_light_stop_line",
            "type": "stop_line_region",
            "bbox_topdown": [
                [
                    495,
                    485
                ],
                [
                    525,
                    485
                ],
                [
                    535,
                    510
                ],
                [
                    505,
                    510
                ]
            ]
        },
        {
            "name": "sidewalk_right",
            "type": "pedestrian_area",
            "bbox_topdown": [
                [
                    760,
                    490
                ],
                [
                    1020,
                    490
                ],
                [
                    1020,
                    720
                ],
                [
                    820,
                    720
                ]
            ]
        },
        {
            "name": "sidewalk_left",
            "type": "pedestrian_area",
            "bbox_topdown": [
                [
                    0,
                    490
                ],
                [
                    260,
                    490
                ],
                [
                    205,
                    720
                ],
                [
                    0,
                    720
                ]
            ]
        },
        {
            "name": "grass_right",
            "type": "vegetation_area",
            "bbox_topdown": [
                [
                    820,
                    510
                ],
                [
                    1020,
                    510
                ],
                [
                    1020,
                    720
                ],
                [
                    880,
                    720
                ]
            ]
        },
        {
            "name": "grass_left",
            "type": "vegetation_area",
            "bbox_topdown": [
                [
                    0,
                    510
                ],
                [
                    210,
                    510
                ],
                [
                    210,
                    720
                ],
                [
                    0,
                    720
                ]
            ]
        },
        {
            "name": "forest_background",
            "type": "background_environment",
            "bbox_topdown": [
                [
                    0,
                    0
                ],
                [
                    1020,
                    0
                ],
                [
                    1020,
                    430
                ],
                [
                    0,
                    430
                ]
            ]
        },
        {
            "name": "road_ahead",
            "type": "drivable_region",
            "bbox_topdown": [
                [
                    330,
                    430
                ],
                [
                    690,
                    430
                ],
                [
                    760,
                    710
                ],
                [
                    260,
                    710
                ]
            ]
        },
        {
            "name": "lane_position_left_of_center",
            "type": "lane_position_region",
            "bbox_topdown": [
                [
                    360,
                    500
                ],
                [
                    470,
                    500
                ],
                [
                    520,
                    705
                ],
                [
                    410,
                    705
                ]
            ]
        }
    ],
    "semantic_relationships": [
        {
            "subject": "car_left",
            "relation": "is_on",
            "object": "road_surface"
        },
        {
            "subject": "car_left",
            "relation": "is_left_of",
            "object": "road_ahead"
        },
        {
            "subject": "road_ahead",
            "relation": "leads_to",
            "object": "intersection_area"
        },
        {
            "subject": "intersection_area",
            "relation": "contains",
            "object": "traffic_light_stop_line"
        },
        {
            "subject": "road_surface",
            "relation": "divides",
            "object": "sidewalk_left"
        },
        {
            "subject": "road_surface",
            "relation": "divides",
            "object": "sidewalk_right"
        },
        {
            "subject": "sidewalk_right",
            "relation": "adjacent_to",
            "object": "grass_right"
        },
        {
            "subject": "sidewalk_left",
            "relation": "adjacent_to",
            "object": "grass_left"
        },
        {
            "subject": "forest_background",
            "relation": "surrounds_road_environment_of",
            "object": "road_surface"
        },
        {
            "subject": "center_lane_marker",
            "relation": "is_within",
            "object": "road_ahead"
        }
    ],
    "current_location": "lane_position_left_of_center",
    "plans": [
        {
            "plan_name": "approach_intersection",
            "target_region": "intersection_area",
            "expected_semantics": [
                "road_ahead leads_to intersection_area",
                "intersection_area contains traffic_light_stop_line"
            ]
        },
        {
            "plan_name": "stop_at_signal_line",
            "target_region": "traffic_light_stop_line",
            "expected_semantics": [
                "intersection_area contains traffic_light_stop_line"
            ]
        }
    ]
}