[
    {
        "question_id": "0000",
        "metadata": {
            "data_source": "visdrone_sot",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0000/0.jpg",
                    "index": 0
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0000/4.jpg",
                    "index": 4
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0000/9.jpg",
                    "index": 9
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    233,
                    90,
                    275,
                    128
                ],
                "index": 0,
                "label": "dark brown car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    217,
                    129,
                    258,
                    169
                ],
                "index": 4,
                "label": "dark brown car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    197,
                    181,
                    239,
                    218
                ],
                "index": 9,
                "label": "dark brown car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the car in motion before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "A"
    },
    {
        "question_id": "0001",
        "metadata": {
            "data_source": "visdrone_sot",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0001/91.jpg",
                    "index": 91
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0001/99.jpg",
                    "index": 99
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0001/108.jpg",
                    "index": 108
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    619,
                    231,
                    656,
                    283
                ],
                "index": 91,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    619,
                    400,
                    657,
                    459
                ],
                "index": 99,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    611,
                    442,
                    654,
                    502
                ],
                "index": 108,
                "label": "black car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the car in motion before this moment?",
        "options": {
            "A": "No",
            "B": "Yes",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0002",
        "metadata": {
            "data_source": "visdrone_sot",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0002/0.jpg",
                    "index": 0
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0002/9.jpg",
                    "index": 9
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0002/20.jpg",
                    "index": 20
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    743,
                    150,
                    761,
                    181
                ],
                "index": 0,
                "label": "red electric motorcycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    744,
                    152,
                    760,
                    185
                ],
                "index": 9,
                "label": "red electric motorcycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    745,
                    155,
                    764,
                    187
                ],
                "index": 20,
                "label": "red electric motorcycle"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was this electric motorcycle in motion before this moment?",
        "options": {
            "A": "Yes",
            "B": "Insufficient visual cues",
            "C": "No",
            "D": "Unrelated to the visual cues"
        },
        "answer": "A"
    },
    {
        "question_id": "0003",
        "metadata": {
            "data_source": "visdrone_sot",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0003/0.jpg",
                    "index": 0
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0003/10.jpg",
                    "index": 10
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0003/14.jpg",
                    "index": 14
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    624,
                    418,
                    714,
                    533
                ],
                "index": 0,
                "label": "white electric motorcycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    616,
                    527,
                    731,
                    687
                ],
                "index": 10,
                "label": "white electric motorcycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    616,
                    600,
                    739,
                    756
                ],
                "index": 14,
                "label": "white electric motorcycle"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was this electric motorcycle in motion before this moment?",
        "options": {
            "A": "Yes",
            "B": "Insufficient visual cues",
            "C": "No",
            "D": "Unrelated to the visual cues"
        },
        "answer": "C"
    },
    {
        "question_id": "0004",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0004/22.jpg",
                    "index": 22
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0004/59.jpg",
                    "index": 59
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0004/90.jpg",
                    "index": 90
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    692,
                    186,
                    714,
                    239
                ],
                "index": 22,
                "label": "female, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    717,
                    239,
                    750,
                    315
                ],
                "index": 59,
                "label": "male, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    789,
                    391,
                    840,
                    505
                ],
                "index": 90,
                "label": "male, adult, t-shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was this woman stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0005",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0005/235.jpg",
                    "index": 235
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0005/264.jpg",
                    "index": 264
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0005/293.jpg",
                    "index": 293
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    691,
                    420,
                    724,
                    498
                ],
                "index": 235,
                "label": "male, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    709,
                    412,
                    745,
                    496
                ],
                "index": 264,
                "label": "male, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    701,
                    406,
                    734,
                    479
                ],
                "index": 293,
                "label": "male, adult, t-shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was this woman stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0006",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0006/38.jpg",
                    "index": 38
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0006/69.jpg",
                    "index": 69
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0006/81.jpg",
                    "index": 81
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    1028,
                    551,
                    1099,
                    621
                ],
                "index": 38,
                "label": "male, adult, coat"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1066,
                    551,
                    1110,
                    612
                ],
                "index": 69,
                "label": "male, adult, coat"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1079,
                    534,
                    1129,
                    593
                ],
                "index": 81,
                "label": "male, adult, coat"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was this man stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0007",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0007/91.jpg",
                    "index": 91
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0007/99.jpg",
                    "index": 99
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0007/114.jpg",
                    "index": 114
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    906,
                    465,
                    1171,
                    635
                ],
                "index": 91,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1060,
                    511,
                    1312,
                    652
                ],
                "index": 99,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1401,
                    566,
                    1672,
                    700
                ],
                "index": 114,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did the vehicle turn at a right angle from the left intersection to the current position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "A"
    },
    {
        "question_id": "0008",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0008/25.jpg",
                    "index": 25
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0008/42.jpg",
                    "index": 42
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0008/72.jpg",
                    "index": 72
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    992,
                    639,
                    1023,
                    725
                ],
                "index": 25,
                "label": "male, adult, coat"
            },
            {
                "entity_type": "human",
                "bbox": [
                    988,
                    727,
                    1029,
                    814
                ],
                "index": 42,
                "label": "male, adult, coat"
            },
            {
                "entity_type": "human",
                "bbox": [
                    963,
                    803,
                    1019,
                    898
                ],
                "index": 72,
                "label": "male, adult, coat"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was this man stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0009",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0009/251.jpg",
                    "index": 251
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0009/259.jpg",
                    "index": 259
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0009/326.jpg",
                    "index": 326
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    628,
                    686,
                    672,
                    804
                ],
                "index": 251,
                "label": "male, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    636,
                    694,
                    684,
                    791
                ],
                "index": 259,
                "label": "male, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    655,
                    712,
                    685,
                    806
                ],
                "index": 326,
                "label": "male, adult, t-shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the man stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0010",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0010/31.jpg",
                    "index": 31
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0010/43.jpg",
                    "index": 43
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0010/61.jpg",
                    "index": 61
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    1023,
                    753,
                    1088,
                    891
                ],
                "index": 31,
                "label": "female, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1043,
                    768,
                    1090,
                    895
                ],
                "index": 43,
                "label": "female, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1050,
                    764,
                    1105,
                    904
                ],
                "index": 61,
                "label": "male, adult, t-shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was this woman stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0011",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0011/87.jpg",
                    "index": 87
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0011/102.jpg",
                    "index": 102
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0011/123.jpg",
                    "index": 123
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    848,
                    552,
                    902,
                    639
                ],
                "index": 87,
                "label": "white coach"
            },
            {
                "entity_type": "object",
                "bbox": [
                    685,
                    555,
                    741,
                    627
                ],
                "index": 102,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    640,
                    556,
                    681,
                    613
                ],
                "index": 123,
                "label": "white coach"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the car stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0012",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0012/91.jpg",
                    "index": 91
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0012/106.jpg",
                    "index": 106
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0012/124.jpg",
                    "index": 124
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    1515,
                    780,
                    1567,
                    939
                ],
                "index": 91,
                "label": "female, adult, skirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1474,
                    829,
                    1520,
                    1003
                ],
                "index": 106,
                "label": "female, adult, skirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1423,
                    870,
                    1499,
                    1079
                ],
                "index": 124,
                "label": "female, adult, skirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the woman do before reaching this point?",
        "options": {
            "A": "Exit from the store on the left",
            "B": "Exit from the shop on the right",
            "C": "Go straight",
            "D": "It is impossible to judge"
        },
        "answer": "B"
    },
    {
        "question_id": "0013",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0013/56.jpg",
                    "index": 56
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0013/80.jpg",
                    "index": 80
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0013/105.jpg",
                    "index": 105
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    139,
                    716,
                    282,
                    813
                ],
                "index": 56,
                "label": "black motorcycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    630,
                    721,
                    760,
                    819
                ],
                "index": 80,
                "label": "black motorcycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1141,
                    729,
                    1264,
                    820
                ],
                "index": 105,
                "label": "black motorcycle"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0014",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0014/128.jpg",
                    "index": 128
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0014/145.jpg",
                    "index": 145
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0014/157.jpg",
                    "index": 157
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    477,
                    535,
                    713,
                    678
                ],
                "index": 128,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    216,
                    560,
                    458,
                    680
                ],
                "index": 145,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    0,
                    586,
                    233,
                    699
                ],
                "index": 157,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Turn right at the intersection",
            "C": " Turn left at the intersection",
            "D": "Made a U-turn from the opposite lane"
        },
        "answer": "C"
    },
    {
        "question_id": "0015",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0015/118.jpg",
                    "index": 118
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0015/155.jpg",
                    "index": 155
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0015/204.jpg",
                    "index": 204
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    506,
                    385,
                    571,
                    474
                ],
                "index": 118,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    498,
                    617,
                    563,
                    713
                ],
                "index": 155,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    504,
                    550,
                    577,
                    636
                ],
                "index": 204,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "A"
    },
    {
        "question_id": "0016",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0016/106.jpg",
                    "index": 106
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0016/117.jpg",
                    "index": 117
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0016/143.jpg",
                    "index": 143
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    405,
                    612,
                    441,
                    673
                ],
                "index": 106,
                "label": "male, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    341,
                    539,
                    373,
                    590
                ],
                "index": 117,
                "label": "male, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    152,
                    500,
                    195,
                    562
                ],
                "index": 143,
                "label": "male, adult, t-shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was this man stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0017",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0017/164.jpg",
                    "index": 164
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0017/174.jpg",
                    "index": 174
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0017/184.jpg",
                    "index": 184
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    1564,
                    639,
                    1605,
                    692
                ],
                "index": 164,
                "label": "male, adult, coat"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1581,
                    663,
                    1628,
                    715
                ],
                "index": 174,
                "label": "male, adult, coat"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1599,
                    695,
                    1652,
                    743
                ],
                "index": 184,
                "label": "male, adult, coat"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was this man stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0018",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0018/233.jpg",
                    "index": 233
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0018/240.jpg",
                    "index": 240
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0018/256.jpg",
                    "index": 256
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    513,
                    246,
                    553,
                    358
                ],
                "index": 233,
                "label": "male, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    493,
                    258,
                    524,
                    362
                ],
                "index": 240,
                "label": "male, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    504,
                    231,
                    529,
                    326
                ],
                "index": 256,
                "label": "male, adult, t-shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did the boys in black on the left and right sides defend his movements before he reached the shooting point?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "A"
    },
    {
        "question_id": "0019",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0019/138.jpg",
                    "index": 138
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0019/148.jpg",
                    "index": 148
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0019/161.jpg",
                    "index": 161
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    692,
                    345,
                    724,
                    437
                ],
                "index": 138,
                "label": "male, teenager, shorts"
            },
            {
                "entity_type": "human",
                "bbox": [
                    705,
                    356,
                    735,
                    434
                ],
                "index": 148,
                "label": "male, teenager, shorts"
            },
            {
                "entity_type": "human",
                "bbox": [
                    760,
                    348,
                    794,
                    440
                ],
                "index": 161,
                "label": "male, teenager, shorts"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did the this person get defended by anyone before taking the shot?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "A"
    },
    {
        "question_id": "0020",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0020/26.jpg",
                    "index": 26
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0020/40.jpg",
                    "index": 40
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0020/47.jpg",
                    "index": 47
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    446,
                    308,
                    471,
                    376
                ],
                "index": 26,
                "label": "male, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    434,
                    303,
                    465,
                    377
                ],
                "index": 40,
                "label": "male, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    445,
                    274,
                    477,
                    363
                ],
                "index": 47,
                "label": "male, adult, t-shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did this person do before reaching the shooting point?",
        "options": {
            "A": "Three-step layup",
            "B": "Three-point shooting",
            "C": "Dunk",
            "D": "Jumper"
        },
        "answer": "D"
    },
    {
        "question_id": "0021",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0021/75.jpg",
                    "index": 75
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0021/97.jpg",
                    "index": 97
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0021/129.jpg",
                    "index": 129
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    513,
                    189,
                    533,
                    242
                ],
                "index": 75,
                "label": "female, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    519,
                    181,
                    538,
                    231
                ],
                "index": 97,
                "label": "female, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    525,
                    167,
                    542,
                    216
                ],
                "index": 129,
                "label": "female, adult, t-shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was this woman stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0022",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0022/33.jpg",
                    "index": 33
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0022/52.jpg",
                    "index": 52
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0022/79.jpg",
                    "index": 79
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    574,
                    282,
                    589,
                    337
                ],
                "index": 33,
                "label": "female, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    590,
                    284,
                    607,
                    335
                ],
                "index": 33,
                "label": "female, adult, skirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    568,
                    305,
                    587,
                    364
                ],
                "index": 52,
                "label": "female, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    589,
                    305,
                    608,
                    356
                ],
                "index": 52,
                "label": "female, adult, skirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    577,
                    347,
                    595,
                    419
                ],
                "index": 79,
                "label": "female, adult, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    602,
                    345,
                    624,
                    410
                ],
                "index": 79,
                "label": "female, adult, skirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, were these two women stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0023",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0023/114.jpg",
                    "index": 114
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0023/130.jpg",
                    "index": 130
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0023/143.jpg",
                    "index": 143
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1268,
                    905,
                    1553,
                    1148
                ],
                "index": 114,
                "label": "brown car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1400,
                    1019,
                    1665,
                    1310
                ],
                "index": 130,
                "label": "brown car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1499,
                    1190,
                    1806,
                    1479
                ],
                "index": 143,
                "label": "brown car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Turn around from the right lane",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "C"
    },
    {
        "question_id": "0024",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0024/79.jpg",
                    "index": 79
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0024/94.jpg",
                    "index": 94
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0024/119.jpg",
                    "index": 119
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    955,
                    327,
                    1060,
                    417
                ],
                "index": 79,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1024,
                    266,
                    1107,
                    338
                ],
                "index": 94,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1110,
                    139,
                    1173,
                    207
                ],
                "index": 119,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Turn from the road on the left",
            "C": "Turn from the road on the right",
            "D": "Made a U-turn from the opposite lane"
        },
        "answer": "B"
    },
    {
        "question_id": "0025",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0025/191.jpg",
                    "index": 191
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0025/200.jpg",
                    "index": 200
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0025/221.jpg",
                    "index": 221
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    736,
                    750,
                    960,
                    908
                ],
                "index": 191,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    525,
                    808,
                    757,
                    980
                ],
                "index": 200,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    234,
                    919,
                    562,
                    1113
                ],
                "index": 221,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Go straight and turn right",
            "D": "Go straight and turn left"
        },
        "answer": "D"
    },
    {
        "question_id": "0026",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0026/227.jpg",
                    "index": 227
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0026/235.jpg",
                    "index": 235
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0026/249.jpg",
                    "index": 249
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1073,
                    146,
                    1136,
                    190
                ],
                "index": 227,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1083,
                    134,
                    1134,
                    177
                ],
                "index": 235,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1067,
                    115,
                    1124,
                    159
                ],
                "index": 249,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, from which direction did the car come?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn right at the intersection",
            "D": "Turn left at the intersection"
        },
        "answer": "B"
    },
    {
        "question_id": "0027",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0027/117.jpg",
                    "index": 117
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0027/153.jpg",
                    "index": 153
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0027/226.jpg",
                    "index": 226
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    2187,
                    891,
                    2333,
                    1042
                ],
                "index": 117,
                "label": "blue car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    2123,
                    837,
                    2269,
                    953
                ],
                "index": 153,
                "label": "blue car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    2028,
                    742,
                    2156,
                    849
                ],
                "index": 226,
                "label": "blue car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Made a U-turn from the opposite lane",
            "B": "Go along this road",
            "C": "Turn right at the intersection",
            "D": "Turn left at the intersection"
        },
        "answer": "A"
    },
    {
        "question_id": "0028",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0028/96.jpg",
                    "index": 96
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0028/106.jpg",
                    "index": 106
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0028/139.jpg",
                    "index": 139
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    2163,
                    1285,
                    2342,
                    1439
                ],
                "index": 96,
                "label": "brown car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    2187,
                    1299,
                    2346,
                    1478
                ],
                "index": 106,
                "label": "brown car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    2251,
                    1387,
                    2408,
                    1511
                ],
                "index": 139,
                "label": "brown car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Make a U-turn from the side lane",
            "C": "Turn right at the intersection",
            "D": "Turn left at the intersection"
        },
        "answer": "B"
    },
    {
        "question_id": "0029",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0029/61.jpg",
                    "index": 61
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0029/74.jpg",
                    "index": 74
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0029/86.jpg",
                    "index": 86
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1850,
                    505,
                    2007,
                    591
                ],
                "index": 61,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1942,
                    466,
                    2073,
                    546
                ],
                "index": 74,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    2031,
                    431,
                    2147,
                    514
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                "index": 86,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "C"
    },
    {
        "question_id": "0030",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0030/177.jpg",
                    "index": 177
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0030/190.jpg",
                    "index": 190
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0030/209.jpg",
                    "index": 209
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1523,
                    981,
                    1639,
                    1027
                ],
                "index": 177,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1707,
                    985,
                    1834,
                    1030
                ],
                "index": 190,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    2164,
                    1012,
                    2295,
                    1057
                ],
                "index": 209,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the north road",
            "D": "Turn from the south road"
        },
        "answer": "A"
    },
    {
        "question_id": "0031",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0031/96.jpg",
                    "index": 96
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0031/115.jpg",
                    "index": 115
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0031/145.jpg",
                    "index": 145
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    951,
                    605,
                    1010,
                    654
                ],
                "index": 96,
                "label": "red car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    724,
                    583,
                    774,
                    627
                ],
                "index": 115,
                "label": "red car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    378,
                    561,
                    438,
                    610
                ],
                "index": 145,
                "label": "red car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn right at the intersection",
            "D": "Turn left at the intersection"
        },
        "answer": "C"
    },
    {
        "question_id": "0032",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0032/98.jpg",
                    "index": 98
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0032/116.jpg",
                    "index": 116
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0032/140.jpg",
                    "index": 140
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1785,
                    739,
                    1900,
                    837
                ],
                "index": 98,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1927,
                    653,
                    2022,
                    736
                ],
                "index": 116,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    2061,
                    523,
                    2142,
                    596
                ],
                "index": 140,
                "label": "black car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the northwest side of the road",
            "D": "Turn from the southeast side of the road"
        },
        "answer": "C"
    },
    {
        "question_id": "0033",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0033/45.jpg",
                    "index": 45
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0033/84.jpg",
                    "index": 84
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0033/146.jpg",
                    "index": 146
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    158,
                    394,
                    276,
                    443
                ],
                "index": 45,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    520,
                    374,
                    623,
                    417
                ],
                "index": 84,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1061,
                    385,
                    1180,
                    440
                ],
                "index": 146,
                "label": "black car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Made a U-turn from the opposite lane",
            "B": "Go along this road",
            "C": "Turn from the south road",
            "D": "Turn from the north road"
        },
        "answer": "B"
    },
    {
        "question_id": "0034",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0034/147.jpg",
                    "index": 147
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0034/151.jpg",
                    "index": 151
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0034/159.jpg",
                    "index": 159
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
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                    358,
                    295,
                    448
                ],
                "index": 147,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    194,
                    375,
                    290,
                    475
                ],
                "index": 151,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    410,
                    266,
                    533
                ],
                "index": 159,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": " Made a U-turn from the opposite lane",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "D"
    },
    {
        "question_id": "0035",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0035/109.jpg",
                    "index": 109
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0035/128.jpg",
                    "index": 128
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0035/157.jpg",
                    "index": 157
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    703,
                    597,
                    739,
                    671
                ],
                "index": 109,
                "label": "green tricycle"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    582,
                    730,
                    650
                ],
                "index": 128,
                "label": "green tricycle"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    563,
                    720,
                    631
                ],
                "index": 157,
                "label": "green tricycle"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the tricycle do before reaching this point?",
        "options": {
            "A": "Turn left at the intersection",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn right at the intersection",
            "D": "Go along this road"
        },
        "answer": "D"
    },
    {
        "question_id": "0036",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0036/74.jpg",
                    "index": 74
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0036/84.jpg",
                    "index": 84
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0036/95.jpg",
                    "index": 95
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
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                    213,
                    318,
                    239
                ],
                "index": 74,
                "label": "white electric car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    226,
                    283,
                    247
                ],
                "index": 84,
                "label": "white electric car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    231,
                    244,
                    256
                ],
                "index": 95,
                "label": "white electric car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the electric car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn right at the intersection",
            "D": "Turn left at the intersection"
        },
        "answer": "D"
    },
    {
        "question_id": "0037",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0037/133.jpg",
                    "index": 133
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0037/140.jpg",
                    "index": 140
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0037/156.jpg",
                    "index": 156
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
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                    365,
                    435,
                    408
                ],
                "index": 133,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    378,
                    441,
                    421
                ],
                "index": 140,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    426,
                    450,
                    474
                ],
                "index": 156,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go straight",
            "B": "It is impossible to judge",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "C"
    },
    {
        "question_id": "0038",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0038/181.jpg",
                    "index": 181
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0038/199.jpg",
                    "index": 199
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0038/219.jpg",
                    "index": 219
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
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                    298,
                    793,
                    375
                ],
                "index": 181,
                "label": "red truck"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    294,
                    855,
                    371
                ],
                "index": 199,
                "label": "red truck"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    285,
                    765,
                    351
                ],
                "index": 219,
                "label": "red truck"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the truck do before reaching this point?",
        "options": {
            "A": "Made a U-turn from the opposite lane",
            "B": "Go along this road",
            "C": "Turn right at the intersection",
            "D": "Turn left at the intersection"
        },
        "answer": "B"
    },
    {
        "question_id": "0039",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0039/203.jpg",
                    "index": 203
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0039/213.jpg",
                    "index": 213
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0039/223.jpg",
                    "index": 223
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
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                    248,
                    603,
                    298
                ],
                "index": 203,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    243,
                    569,
                    294
                ],
                "index": 213,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    235,
                    526,
                    281
                ],
                "index": 223,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the lower left road.",
            "D": "Turn from the upper right road"
        },
        "answer": "C"
    },
    {
        "question_id": "0040",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0040/135.jpg",
                    "index": 135
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0040/143.jpg",
                    "index": 143
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0040/151.jpg",
                    "index": 151
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
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                    706,
                    1072,
                    842
                ],
                "index": 135,
                "label": "red car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    805,
                    1040,
                    921
                ],
                "index": 143,
                "label": "red car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    845,
                    987,
                    1037
                ],
                "index": 151,
                "label": "red car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "The vehicle turned around",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "C"
    },
    {
        "question_id": "0041",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0041/299.jpg",
                    "index": 299
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0041/314.jpg",
                    "index": 314
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0041/328.jpg",
                    "index": 328
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
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                    490,
                    972,
                    521
                ],
                "index": 299,
                "label": "white electric car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    548,
                    1137,
                    586
                ],
                "index": 328,
                "label": "white electric car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    520,
                    1147,
                    559
                ],
                "index": 314,
                "label": "white electric car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, from which direction did this person riding an electric car come?",
        "options": {
            "A": "Go along this road",
            "B": "Turn from the road on the left",
            "C": "Turn from the road on the right",
            "D": "Turn around from the right lane"
        },
        "answer": "C"
    },
    {
        "question_id": "0042",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0042/47.jpg",
                    "index": 47
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0042/59.jpg",
                    "index": 59
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0042/73.jpg",
                    "index": 73
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
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                    135,
                    494,
                    166
                ],
                "index": 47,
                "label": "blue car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    122,
                    446,
                    157
                ],
                "index": 59,
                "label": "blue car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    311,
                    135,
                    364,
                    161
                ],
                "index": 73,
                "label": "blue car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": " Made a U-turn from the opposite lane",
            "C": "Turn left at the intersection",
            "D": "It cannot be determined"
        },
        "answer": "C"
    },
    {
        "question_id": "0043",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0043/198.jpg",
                    "index": 198
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0043/212.jpg",
                    "index": 212
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0043/225.jpg",
                    "index": 225
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
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                    539,
                    736,
                    604
                ],
                "index": 198,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    560,
                    747,
                    623
                ],
                "index": 212,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    696,
                    565,
                    741,
                    626
                ],
                "index": 225,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "D"
    },
    {
        "question_id": "0044",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0044/184.jpg",
                    "index": 184
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0044/189.jpg",
                    "index": 189
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0044/196.jpg",
                    "index": 196
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0044/200.jpg",
                    "index": 200
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    483,
                    365,
                    526,
                    399
                ],
                "index": 184,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    486,
                    384,
                    524,
                    424
                ],
                "index": 196,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    484,
                    374,
                    523,
                    410
                ],
                "index": 189,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    486,
                    387,
                    521,
                    432
                ],
                "index": 200,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Turn from the road on the left",
            "B": "Turn from the road on the right",
            "C": "Made a U-turn from the opposite lane",
            "D": "Go along this road"
        },
        "answer": "B"
    },
    {
        "question_id": "0045",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0045/189.jpg",
                    "index": 189
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0045/195.jpg",
                    "index": 195
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0045/206.jpg",
                    "index": 206
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    815,
                    244,
                    856,
                    265
                ],
                "index": 189,
                "label": "blue car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    868,
                    239,
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                    262
                ],
                "index": 195,
                "label": "blue car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    998,
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                    1058,
                    252
                ],
                "index": 206,
                "label": "blue car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn right at the intersection",
            "D": "Turn right at the intersection"
        },
        "answer": "C"
    },
    {
        "question_id": "0046",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0046/139.jpg",
                    "index": 139
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0046/152.jpg",
                    "index": 152
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0046/167.jpg",
                    "index": 167
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1019,
                    881,
                    1108,
                    942
                ],
                "index": 139,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1062,
                    932,
                    1160,
                    1001
                ],
                "index": 152,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1117,
                    987,
                    1228,
                    1062
                ],
                "index": 167,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Go straight and turn right",
            "D": "Go straight and turn left"
        },
        "answer": "C"
    },
    {
        "question_id": "0047",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0047/126.jpg",
                    "index": 126
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0047/134.jpg",
                    "index": 134
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0047/146.jpg",
                    "index": 146
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    350,
                    411,
                    387,
                    431
                ],
                "index": 126,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    312,
                    419,
                    347,
                    441
                ],
                "index": 134,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    250,
                    436,
                    285,
                    462
                ],
                "index": 146,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn right at the intersection",
            "D": "Turn left at the intersection"
        },
        "answer": "D"
    },
    {
        "question_id": "0048",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0048/130.jpg",
                    "index": 130
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0048/141.jpg",
                    "index": 141
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0048/153.jpg",
                    "index": 153
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    856,
                    536,
                    883,
                    569
                ],
                "index": 130,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    800,
                    603,
                    844,
                    650
                ],
                "index": 141,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    696,
                    726,
                    765,
                    800
                ],
                "index": 153,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the road on the right",
            "D": "Turn from the road on the left"
        },
        "answer": "D"
    },
    {
        "question_id": "0049",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0049/90.jpg",
                    "index": 90
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0049/103.jpg",
                    "index": 103
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0049/110.jpg",
                    "index": 110
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    544,
                    500,
                    615,
                    540
                ],
                "index": 90,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    251,
                    560,
                    341,
                    602
                ],
                "index": 103,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    65,
                    611,
                    180,
                    659
                ],
                "index": 110,
                "label": "black car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Turn left at the intersection",
            "B": "Turn right at the intersection",
            "C": "Made a U-turn from the opposite lane",
            "D": "Go along this road"
        },
        "answer": "A"
    },
    {
        "question_id": "0050",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0050/63.jpg",
                    "index": 63
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0050/89.jpg",
                    "index": 89
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0050/108.jpg",
                    "index": 108
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1024,
                    631,
                    1106,
                    742
                ],
                "index": 63,
                "label": "white coach"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    608,
                    1071,
                    713
                ],
                "index": 89,
                "label": "white coach"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    573,
                    1046,
                    664
                ],
                "index": 108,
                "label": "white coach"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "D"
    },
    {
        "question_id": "0051",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0051/182.jpg",
                    "index": 182
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0051/207.jpg",
                    "index": 207
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0051/244.jpg",
                    "index": 244
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    2137,
                    1362,
                    2328,
                    1673
                ],
                "index": 182,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    1378,
                    2354,
                    1698
                ],
                "index": 207,
                "label": "white car"
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            {
                "entity_type": "object",
                "bbox": [
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                    1362,
                    2344,
                    1667
                ],
                "index": 244,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the car stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "It cannot be determined"
        },
        "answer": "B"
    },
    {
        "question_id": "0052",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0052/46.jpg",
                    "index": 46
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0052/52.jpg",
                    "index": 52
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0052/61.jpg",
                    "index": 61
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    791,
                    841,
                    869,
                    963
                ],
                "index": 46,
                "label": "blue car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    772,
                    884,
                    863,
                    1010
                ],
                "index": 52,
                "label": "blue car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    942,
                    842,
                    1070
                ],
                "index": 61,
                "label": "blue car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Turn from the road on the right",
            "B": "Turn from the road on the left",
            "C": "Made a U-turn from the opposite lane",
            "D": "Go along this road"
        },
        "answer": "B"
    },
    {
        "question_id": "0053",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0053/223.jpg",
                    "index": 223
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0053/236.jpg",
                    "index": 236
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0053/250.jpg",
                    "index": 250
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
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                    779,
                    1036,
                    853
                ],
                "index": 223,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    825,
                    1059,
                    905
                ],
                "index": 236,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    905,
                    1112,
                    1035
                ],
                "index": 250,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the car in motion before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "A"
    },
    {
        "question_id": "0054",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0054/100.jpg",
                    "index": 100
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0054/140.jpg",
                    "index": 140
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0054/172.jpg",
                    "index": 172
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
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                    239,
                    561,
                    267
                ],
                "index": 100,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    325,
                    647,
                    364
                ],
                "index": 140,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    393,
                    651,
                    447
                ],
                "index": 172,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "It cannot be determined"
        },
        "answer": "A"
    },
    {
        "question_id": "0055",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0055/169.jpg",
                    "index": 169
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0055/179.jpg",
                    "index": 179
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0055/198.jpg",
                    "index": 198
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    385,
                    536,
                    630,
                    639
                ],
                "index": 169,
                "label": "yellow car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    534,
                    511,
                    635
                ],
                "index": 179,
                "label": "yellow car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    468,
                    473,
                    571
                ],
                "index": 198,
                "label": "yellow car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Go straight and turn left",
            "D": "Go straight and turn right"
        },
        "answer": "C"
    },
    {
        "question_id": "0056",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0056/175.jpg",
                    "index": 175
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0056/192.jpg",
                    "index": 192
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0056/216.jpg",
                    "index": 216
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
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                    790,
                    1424,
                    849
                ],
                "index": 175,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
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                    834,
                    1457,
                    910
                ],
                "index": 192,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1454,
                    884,
                    1542,
                    987
                ],
                "index": 216,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": " Made a U-turn from the opposite lane",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "D"
    },
    {
        "question_id": "0057",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0057/59.jpg",
                    "index": 59
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0057/77.jpg",
                    "index": 77
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0057/94.jpg",
                    "index": 94
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    1501,
                    511,
                    1531,
                    614
                ],
                "index": 59,
                "label": "male, old, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1342,
                    464,
                    1387,
                    562
                ],
                "index": 77,
                "label": "male, old, t-shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1206,
                    418,
                    1261,
                    509
                ],
                "index": 94,
                "label": "male, old, t-shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was this man stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0058",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0058/145.jpg",
                    "index": 145
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0058/165.jpg",
                    "index": 165
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0058/177.jpg",
                    "index": 177
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1020,
                    506,
                    1091,
                    553
                ],
                "index": 145,
                "label": "yellow tricycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    899,
                    532,
                    982,
                    585
                ],
                "index": 165,
                "label": "yellow tricycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    883,
                    531,
                    973,
                    583
                ],
                "index": 177,
                "label": "yellow tricycle"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the tricycle do before reaching this point?",
        "options": {
            "A": "Turn from the road on the left",
            "B": "Turn from the road on the right",
            "C": "Go along this road",
            "D": "Made a U-turn from the opposite lane"
        },
        "answer": "A"
    },
    {
        "question_id": "0059",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0059/81.jpg",
                    "index": 81
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0059/93.jpg",
                    "index": 93
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0059/103.jpg",
                    "index": 103
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1042,
                    169,
                    1120,
                    285
                ],
                "index": 81,
                "label": "grey car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1038,
                    101,
                    1098,
                    215
                ],
                "index": 93,
                "label": "grey car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1030,
                    13,
                    1088,
                    130
                ],
                "index": 103,
                "label": "grey car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Turn from the road on the right",
            "B": "Turn from the road on the left",
            "C": "Made a U-turn from the opposite lane",
            "D": "Go along this road"
        },
        "answer": "A"
    },
    {
        "question_id": "0060",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0060/201.jpg",
                    "index": 201
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0060/216.jpg",
                    "index": 216
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0060/232.jpg",
                    "index": 232
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1092,
                    630,
                    1126,
                    687
                ],
                "index": 201,
                "label": "green tricycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1058,
                    690,
                    1094,
                    758
                ],
                "index": 216,
                "label": "green tricycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1011,
                    775,
                    1056,
                    860
                ],
                "index": 232,
                "label": "green tricycle"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did the tricycle change lanes before reaching this point?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "A"
    },
    {
        "question_id": "0061",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0061/138.jpg",
                    "index": 138
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0061/157.jpg",
                    "index": 157
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0061/182.jpg",
                    "index": 182
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1351,
                    429,
                    1576,
                    579
                ],
                "index": 138,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1537,
                    402,
                    1782,
                    528
                ],
                "index": 157,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1555,
                    260,
                    1751,
                    357
                ],
                "index": 182,
                "label": "black car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go straight",
            "B": "It is impossible to judge",
            "C": "Go straight and turn right",
            "D": "Go straight and turn left"
        },
        "answer": "C"
    },
    {
        "question_id": "0062",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0062/347.jpg",
                    "index": 347
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0062/360.jpg",
                    "index": 360
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0062/372.jpg",
                    "index": 372
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    583,
                    218,
                    709,
                    276
                ],
                "index": 347,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    387,
                    239,
                    528,
                    300
                ],
                "index": 360,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    130,
                    272,
                    294,
                    334
                ],
                "index": 372,
                "label": "black car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn right at the intersection",
            "D": "Turn left at the intersection"
        },
        "answer": "D"
    },
    {
        "question_id": "0063",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0063/41.jpg",
                    "index": 41
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0063/46.jpg",
                    "index": 46
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0063/52.jpg",
                    "index": 52
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1342,
                    1115,
                    1548,
                    1401
                ],
                "index": 41,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1336,
                    1186,
                    1516,
                    1483
                ],
                "index": 46,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1327,
                    1265,
                    1498,
                    1530
                ],
                "index": 52,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "D"
    },
    {
        "question_id": "0064",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0064/56.jpg",
                    "index": 56
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0064/86.jpg",
                    "index": 86
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0064/116.jpg",
                    "index": 116
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1150,
                    214,
                    1245,
                    277
                ],
                "index": 56,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    975,
                    259,
                    1092,
                    342
                ],
                "index": 86,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    969,
                    381,
                    1168,
                    515
                ],
                "index": 116,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "A"
    },
    {
        "question_id": "0065",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0065/79.jpg",
                    "index": 79
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0065/90.jpg",
                    "index": 90
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0065/112.jpg",
                    "index": 112
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    748,
                    330,
                    807,
                    394
                ],
                "index": 79,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    717,
                    295,
                    774,
                    351
                ],
                "index": 90,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    651,
                    225,
                    694,
                    274
                ],
                "index": 112,
                "label": "black car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "C"
    },
    {
        "question_id": "0066",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0066/93.jpg",
                    "index": 93
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0066/106.jpg",
                    "index": 106
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0066/125.jpg",
                    "index": 125
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1263,
                    783,
                    1334,
                    835
                ],
                "index": 93,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1364,
                    821,
                    1434,
                    868
                ],
                "index": 106,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1538,
                    880,
                    1612,
                    927
                ],
                "index": 125,
                "label": "black car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "turn left",
            "B": "turn right",
            "C": "Made a U-turn from the opposite lane",
            "D": "Go along this road"
        },
        "answer": "B"
    },
    {
        "question_id": "0067",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0067/37.jpg",
                    "index": 37
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0067/47.jpg",
                    "index": 47
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0067/62.jpg",
                    "index": 62
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1098,
                    483,
                    1188,
                    592
                ],
                "index": 37,
                "label": "yellow car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1081,
                    396,
                    1160,
                    491
                ],
                "index": 47,
                "label": "yellow car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1071,
                    297,
                    1131,
                    380
                ],
                "index": 62,
                "label": "yellow car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn right at the intersection",
            "D": "Turn left at the intersection"
        },
        "answer": "A"
    },
    {
        "question_id": "0068",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0068/47.jpg",
                    "index": 47
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0068/59.jpg",
                    "index": 59
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0068/75.jpg",
                    "index": 75
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    954,
                    474,
                    1022,
                    553
                ],
                "index": 47,
                "label": "yellow car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    949,
                    439,
                    1001,
                    495
                ],
                "index": 59,
                "label": "yellow car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    968,
                    402,
                    1009,
                    445
                ],
                "index": 75,
                "label": "yellow car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "D"
    },
    {
        "question_id": "0069",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0069/62.jpg",
                    "index": 62
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0069/85.jpg",
                    "index": 85
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0069/112.jpg",
                    "index": 112
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1026,
                    229,
                    1112,
                    328
                ],
                "index": 62,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1055,
                    853,
                    1151,
                    971
                ],
                "index": 85,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1077,
                    880,
                    1174,
                    994
                ],
                "index": 112,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "A"
    },
    {
        "question_id": "0070",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0070/160.jpg",
                    "index": 160
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0070/175.jpg",
                    "index": 175
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0070/183.jpg",
                    "index": 183
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    469,
                    125,
                    484,
                    152
                ],
                "index": 160,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    468,
                    49,
                    479,
                    72
                ],
                "index": 175,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    468,
                    8,
                    479,
                    26
                ],
                "index": 183,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "D"
    },
    {
        "question_id": "0071",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0071/149.jpg",
                    "index": 149
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0071/158.jpg",
                    "index": 158
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0071/169.jpg",
                    "index": 169
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    429,
                    174,
                    491,
                    197
                ],
                "index": 149,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    351,
                    171,
                    406,
                    190
                ],
                "index": 158,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    251,
                    161,
                    309,
                    186
                ],
                "index": 169,
                "label": "black car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Turn right at the intersection",
            "C": " Turn left at the intersection",
            "D": "Go straight after turning"
        },
        "answer": "D"
    },
    {
        "question_id": "0072",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0072/154.jpg",
                    "index": 154
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0072/175.jpg",
                    "index": 175
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0072/187.jpg",
                    "index": 187
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    997,
                    249,
                    1049,
                    317
                ],
                "index": 154,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    988,
                    154,
                    1029,
                    214
                ],
                "index": 175,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    985,
                    101,
                    1025,
                    157
                ],
                "index": 187,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Turn from the road on the left",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the road on the right",
            "D": "Go along this road"
        },
        "answer": "C"
    },
    {
        "question_id": "0073",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0073/205.jpg",
                    "index": 205
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0073/222.jpg",
                    "index": 222
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0073/256.jpg",
                    "index": 256
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    632,
                    271,
                    746,
                    330
                ],
                "index": 205,
                "label": "red car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    525,
                    255,
                    644,
                    309
                ],
                "index": 222,
                "label": "red car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    120,
                    260,
                    265,
                    313
                ],
                "index": 256,
                "label": "red car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn right at the intersection",
            "D": "Turn left at the intersection"
        },
        "answer": "D"
    },
    {
        "question_id": "0074",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0074/327.jpg",
                    "index": 327
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0074/351.jpg",
                    "index": 351
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0074/387.jpg",
                    "index": 387
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    596,
                    391,
                    638,
                    434
                ],
                "index": 327,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    593,
                    415,
                    640,
                    466
                ],
                "index": 351,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    555,
                    489,
                    634,
                    575
                ],
                "index": 387,
                "label": "black car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "A"
    },
    {
        "question_id": "0075",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0075/59.jpg",
                    "index": 59
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0075/73.jpg",
                    "index": 73
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0075/95.jpg",
                    "index": 95
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    140,
                    404,
                    226,
                    464
                ],
                "index": 59,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    208,
                    377,
                    307,
                    431
                ],
                "index": 73,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    333,
                    336,
                    407,
                    380
                ],
                "index": 95,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": " Made a U-turn from the opposite lane",
            "C": "Go straight and turn right",
            "D": "Turn left after execution"
        },
        "answer": "C"
    },
    {
        "question_id": "0076",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0076/102.jpg",
                    "index": 102
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0076/125.jpg",
                    "index": 125
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0076/151.jpg",
                    "index": 151
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1545,
                    484,
                    1672,
                    551
                ],
                "index": 102,
                "label": "white truck"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1295,
                    501,
                    1433,
                    572
                ],
                "index": 125,
                "label": "white truck"
            },
            {
                "entity_type": "object",
                "bbox": [
                    953,
                    513,
                    1150,
                    613
                ],
                "index": 151,
                "label": "white truck"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Insufficient visual cues",
            "D": "Unrelated to the visual cues"
        },
        "answer": "B"
    },
    {
        "question_id": "0077",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0077/63.jpg",
                    "index": 63
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0077/82.jpg",
                    "index": 82
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0077/112.jpg",
                    "index": 112
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0077/131.jpg",
                    "index": 131
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1547,
                    629,
                    1714,
                    720
                ],
                "index": 112,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1695,
                    645,
                    1862,
                    720
                ],
                "index": 131,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1253,
                    578,
                    1383,
                    667
                ],
                "index": 63,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1299,
                    592,
                    1443,
                    683
                ],
                "index": 82,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Go straight and turn right",
            "D": "Go straight and turn left"
        },
        "answer": "B"
    },
    {
        "question_id": "0078",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0078/106.jpg",
                    "index": 106
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0078/139.jpg",
                    "index": 139
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0078/146.jpg",
                    "index": 146
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    571,
                    502,
                    693,
                    626
                ],
                "index": 139,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    529,
                    536,
                    653,
                    702
                ],
                "index": 146,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    706,
                    374,
                    798,
                    460
                ],
                "index": 106,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Turn around from the right lane",
            "B": "Turn from the road on the left",
            "C": "Take the right exit",
            "D": "Cannot infer"
        },
        "answer": "C"
    },
    {
        "question_id": "0079",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0079/8.jpg",
                    "index": 8
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0079/18.jpg",
                    "index": 18
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0079/35.jpg",
                    "index": 35
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1646,
                    952,
                    1949,
                    1260
                ],
                "index": 8,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1562,
                    795,
                    1777,
                    1001
                ],
                "index": 18,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1457,
                    585,
                    1585,
                    702
                ],
                "index": 35,
                "label": "black car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "A"
    },
    {
        "question_id": "0080",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0080/48.jpg",
                    "index": 48
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0080/70.jpg",
                    "index": 70
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0080/102.jpg",
                    "index": 102
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0080/118.jpg",
                    "index": 118
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    766,
                    730,
                    815,
                    791
                ],
                "index": 102,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    756,
                    841,
                    814,
                    926
                ],
                "index": 118,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    782,
                    622,
                    866,
                    678
                ],
                "index": 70,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    855,
                    661,
                    943,
                    699
                ],
                "index": 48,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "B"
    },
    {
        "question_id": "0081",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0081/374.jpg",
                    "index": 374
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0081/394.jpg",
                    "index": 394
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0081/418.jpg",
                    "index": 418
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    935,
                    808,
                    1036,
                    1000
                ],
                "index": 374,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    954,
                    633,
                    1044,
                    785
                ],
                "index": 394,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    960,
                    505,
                    1042,
                    629
                ],
                "index": 418,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "A"
    },
    {
        "question_id": "0082",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0082/21.jpg",
                    "index": 21
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0082/35.jpg",
                    "index": 35
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0082/59.jpg",
                    "index": 59
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    774,
                    157,
                    913,
                    231
                ],
                "index": 21,
                "label": "grey car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    647,
                    179,
                    826,
                    258
                ],
                "index": 35,
                "label": "grey car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    166,
                    292,
                    403,
                    385
                ],
                "index": 59,
                "label": "grey car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn left in the northbound lane",
            "D": "Turn right in the south-facing lane"
        },
        "answer": "C"
    },
    {
        "question_id": "0083",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0083/79.jpg",
                    "index": 79
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0083/92.jpg",
                    "index": 92
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0083/139.jpg",
                    "index": 139
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1042,
                    856,
                    1116,
                    985
                ],
                "index": 79,
                "label": "blue car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    989,
                    981,
                    1106,
                    1070
                ],
                "index": 92,
                "label": "blue car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    414,
                    961,
                    554,
                    1049
                ],
                "index": 139,
                "label": "blue car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "B"
    },
    {
        "question_id": "0084",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0084/191.jpg",
                    "index": 191
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0084/199.jpg",
                    "index": 199
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0084/215.jpg",
                    "index": 215
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    384,
                    5,
                    479,
                    194
                ],
                "index": 191,
                "label": "red truck"
            },
            {
                "entity_type": "object",
                "bbox": [
                    369,
                    0,
                    478,
                    370
                ],
                "index": 199,
                "label": "red truck"
            },
            {
                "entity_type": "object",
                "bbox": [
                    329,
                    180,
                    462,
                    718
                ],
                "index": 215,
                "label": "red coach"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "B"
    },
    {
        "question_id": "0085",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0085/171.jpg",
                    "index": 171
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0085/182.jpg",
                    "index": 182
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0085/193.jpg",
                    "index": 193
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    710,
                    324,
                    809,
                    427
                ],
                "index": 171,
                "label": "white coach"
            },
            {
                "entity_type": "object",
                "bbox": [
                    603,
                    394,
                    735,
                    546
                ],
                "index": 182,
                "label": "white coach"
            },
            {
                "entity_type": "object",
                "bbox": [
                    391,
                    540,
                    605,
                    773
                ],
                "index": 193,
                "label": "white coach"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "A"
    },
    {
        "question_id": "0086",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0086/162.jpg",
                    "index": 162
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0086/189.jpg",
                    "index": 189
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0086/204.jpg",
                    "index": 204
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1061,
                    418,
                    1123,
                    498
                ],
                "index": 162,
                "label": "yellow car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1156,
                    478,
                    1217,
                    573
                ],
                "index": 189,
                "label": "yellow car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1166,
                    691,
                    1230,
                    779
                ],
                "index": 204,
                "label": "yellow car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go straight and stop",
            "B": "Stop after changing lanes",
            "C": "It has been stationary",
            "D": "Cannot infer"
        },
        "answer": "B"
    },
    {
        "question_id": "0087",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0087/51.jpg",
                    "index": 51
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0087/64.jpg",
                    "index": 64
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0087/81.jpg",
                    "index": 81
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    684,
                    281,
                    787,
                    330
                ],
                "index": 51,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    813,
                    328,
                    914,
                    369
                ],
                "index": 64,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    982,
                    332,
                    1083,
                    377
                ],
                "index": 81,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "A"
    },
    {
        "question_id": "0088",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0088/5.jpg",
                    "index": 5
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0088/20.jpg",
                    "index": 20
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0088/66.jpg",
                    "index": 66
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0088/77.jpg",
                    "index": 77
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1256,
                    554,
                    1315,
                    663
                ],
                "index": 66,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1276,
                    620,
                    1358,
                    749
                ],
                "index": 77,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1205,
                    456,
                    1281,
                    530
                ],
                "index": 20,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1145,
                    447,
                    1224,
                    501
                ],
                "index": 5,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Curb and start",
            "C": "Turn from the road on the left",
            "D": "Turn from the road on the right"
        },
        "answer": "C"
    },
    {
        "question_id": "0089",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0089/40.jpg",
                    "index": 40
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0089/55.jpg",
                    "index": 55
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0089/80.jpg",
                    "index": 80
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    923,
                    246,
                    995,
                    347
                ],
                "index": 40,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    912,
                    293,
                    999,
                    400
                ],
                "index": 55,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    881,
                    406,
                    989,
                    548
                ],
                "index": 80,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "A"
    },
    {
        "question_id": "0090",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0090/51.jpg",
                    "index": 51
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0090/76.jpg",
                    "index": 76
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0090/89.jpg",
                    "index": 89
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1701,
                    755,
                    1820,
                    810
                ],
                "index": 51,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1992,
                    889,
                    2156,
                    958
                ],
                "index": 76,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    2208,
                    970,
                    2400,
                    1062
                ],
                "index": 89,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the white car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Made a U-turn from the opposite lane",
            "C": "Turn right at the intersection",
            "D": "Turn right on the auxiliary road in front of the intersection"
        },
        "answer": "D"
    },
    {
        "question_id": "0091",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0091/186.jpg",
                    "index": 186
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0091/196.jpg",
                    "index": 196
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0091/205.jpg",
                    "index": 205
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    74,
                    816,
                    284,
                    1045
                ],
                "index": 186,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    32,
                    841,
                    263,
                    1071
                ],
                "index": 196,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    4,
                    895,
                    224,
                    1071
                ],
                "index": 205,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the car stationary before this moment?",
        "options": {
            "A": "Yes，It stood still for a while",
            "B": "No",
            "C": "Cannot infer",
            "D": "Yes，It has been parked before"
        },
        "answer": "D"
    },
    {
        "question_id": "0092",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0092/11.jpg",
                    "index": 11
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0092/40.jpg",
                    "index": 40
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0092/69.jpg",
                    "index": 69
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    359,
                    121,
                    381,
                    141
                ],
                "index": 11,
                "label": "blue car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    356,
                    109,
                    372,
                    128
                ],
                "index": 40,
                "label": "blue car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    352,
                    101,
                    369,
                    117
                ],
                "index": 69,
                "label": "blue car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did this car go straight before reaching this position?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "It cannot be determined"
        },
        "answer": "B"
    },
    {
        "question_id": "0093",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0093/229.jpg",
                    "index": 229
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0093/241.jpg",
                    "index": 241
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0093/270.jpg",
                    "index": 270
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    942,
                    495,
                    1047,
                    539
                ],
                "index": 229,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    861,
                    513,
                    994,
                    635
                ],
                "index": 241,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    596,
                    745,
                    817,
                    1001
                ],
                "index": 270,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did the vehicle change from a straight lane to a left turn lane before completing the lane change?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "A"
    },
    {
        "question_id": "0094",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0094/81.jpg",
                    "index": 81
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0094/91.jpg",
                    "index": 91
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0094/100.jpg",
                    "index": 100
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    366,
                    433,
                    521,
                    522
                ],
                "index": 81,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    232,
                    427,
                    391,
                    511
                ],
                "index": 91,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    86,
                    435,
                    253,
                    509
                ],
                "index": 100,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Go along this road",
            "B": "Turn right at the intersection",
            "C": " Turn left at the intersection",
            "D": "Made a U-turn from the opposite lane"
        },
        "answer": "C"
    },
    {
        "question_id": "0095",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0095/55.jpg",
                    "index": 55
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0095/70.jpg",
                    "index": 70
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0095/91.jpg",
                    "index": 91
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0095/105.jpg",
                    "index": 105
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    1479,
                    684,
                    1529,
                    835
                ],
                "index": 55,
                "label": "male, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1411,
                    702,
                    1486,
                    853
                ],
                "index": 70,
                "label": "male, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1418,
                    733,
                    1488,
                    911
                ],
                "index": 91,
                "label": "male, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1394,
                    755,
                    1459,
                    918
                ],
                "index": 105,
                "label": "male, adult, shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, where did the man come from?",
        "options": {
            "A": "Center of the square.",
            "B": "Inside the reddish-brown building.",
            "C": "Entrance at the lower right corner.",
            "D": "Cannot infer"
        },
        "answer": "C"
    },
    {
        "question_id": "0096",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0096/44.jpg",
                    "index": 44
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0096/59.jpg",
                    "index": 59
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0096/69.jpg",
                    "index": 69
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0096/89.jpg",
                    "index": 89
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    202,
                    173,
                    355,
                    272
                ],
                "index": 59,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    202,
                    173,
                    356,
                    276
                ],
                "index": 69,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    206,
                    176,
                    360,
                    271
                ],
                "index": 89,
                "label": "black car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    200,
                    187,
                    352,
                    284
                ],
                "index": 44,
                "label": "black car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the black car stationary before this moment?",
        "options": {
            "A": "Cannot infer",
            "B": "No",
            "C": "Yes"
        },
        "answer": "C"
    },
    {
        "question_id": "0097",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0097/87.jpg",
                    "index": 87
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0097/107.jpg",
                    "index": 107
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0097/124.jpg",
                    "index": 124
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1757,
                    331,
                    1841,
                    421
                ],
                "index": 124,
                "label": "red bicycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1688,
                    291,
                    1772,
                    369
                ],
                "index": 107,
                "label": "red bicycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1487,
                    223,
                    1571,
                    315
                ],
                "index": 87,
                "label": "red bicycle"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the bike stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "A"
    },
    {
        "question_id": "0098",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0098/16.jpg",
                    "index": 16
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0098/26.jpg",
                    "index": 26
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0098/43.jpg",
                    "index": 43
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    362,
                    330,
                    380,
                    371
                ],
                "index": 16,
                "label": "male, old, pants"
            },
            {
                "entity_type": "human",
                "bbox": [
                    359,
                    339,
                    383,
                    378
                ],
                "index": 26,
                "label": "male, old, pants"
            },
            {
                "entity_type": "human",
                "bbox": [
                    352,
                    237,
                    367,
                    269
                ],
                "index": 43,
                "label": "male, old, pants"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the man do before reaching this point?",
        "options": {
            "A": "Talked with other people.",
            "B": "Walked in the square.",
            "C": "Ran in the square.",
            "D": "Rode a bike."
        },
        "answer": "B"
    },
    {
        "question_id": "0099",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0099/19.jpg",
                    "index": 19
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0099/39.jpg",
                    "index": 39
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0099/63.jpg",
                    "index": 63
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    233,
                    436,
                    262,
                    515
                ],
                "index": 19,
                "label": "female, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    242,
                    478,
                    273,
                    559
                ],
                "index": 39,
                "label": "female, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    240,
                    539,
                    277,
                    643
                ],
                "index": 63,
                "label": "female, adult, shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the woman in motion before this moment?",
        "options": {
            "A": "Yes.",
            "B": "No.",
            "C": "Cannot infer."
        },
        "answer": "A"
    },
    {
        "question_id": "0100",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0100/56.jpg",
                    "index": 56
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0100/69.jpg",
                    "index": 69
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0100/98.jpg",
                    "index": 98
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    810,
                    651,
                    891,
                    700
                ],
                "index": 69,
                "label": "blue bicycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1310,
                    735,
                    1376,
                    782
                ],
                "index": 98,
                "label": "blue bicycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    859,
                    658,
                    943,
                    708
                ],
                "index": 56,
                "label": "blue bicycle"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did the blue bicycle pass behind the white car?",
        "options": {
            "A": "Cannot infer.",
            "B": "No.",
            "C": "Yes."
        },
        "answer": "C"
    },
    {
        "question_id": "0101",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0101/21.jpg",
                    "index": 21
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0101/39.jpg",
                    "index": 39
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0101/69.jpg",
                    "index": 69
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1097,
                    849,
                    1166,
                    979
                ],
                "index": 21,
                "label": "black bicycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1181,
                    824,
                    1256,
                    963
                ],
                "index": 39,
                "label": "black bicycle"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1052,
                    841,
                    1113,
                    979
                ],
                "index": 69,
                "label": "black bicycle"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the electric car in motion before this moment?",
        "options": {
            "A": "Cannot infer",
            "B": "Yes",
            "C": "No"
        },
        "answer": "C"
    },
    {
        "question_id": "0102",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0102/141.jpg",
                    "index": 141
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0102/157.jpg",
                    "index": 157
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0102/187.jpg",
                    "index": 187
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    714,
                    296,
                    735,
                    370
                ],
                "index": 141,
                "label": "female, adult, pants"
            },
            {
                "entity_type": "human",
                "bbox": [
                    667,
                    346,
                    700,
                    426
                ],
                "index": 157,
                "label": "female, adult, pants"
            },
            {
                "entity_type": "human",
                "bbox": [
                    255,
                    465,
                    297,
                    552
                ],
                "index": 187,
                "label": "female, adult, pants"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the woman in motion before this moment?",
        "options": {
            "A": "Cannot infer",
            "B": "No",
            "C": "Yes"
        },
        "answer": "C"
    },
    {
        "question_id": "0103",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0103/17.jpg",
                    "index": 17
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0103/29.jpg",
                    "index": 29
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0103/49.jpg",
                    "index": 49
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    671,
                    268,
                    699,
                    332
                ],
                "index": 17,
                "label": "male, child, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    623,
                    264,
                    655,
                    324
                ],
                "index": 29,
                "label": "male, child, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    547,
                    260,
                    578,
                    318
                ],
                "index": 49,
                "label": "male, child, shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the children do before reaching this point?",
        "options": {
            "A": "Walked on the road.",
            "B": " Talked with other people.",
            "C": "Play scooter.",
            "D": "Stayed still."
        },
        "answer": "C"
    },
    {
        "question_id": "0104",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0104/121.jpg",
                    "index": 121
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0104/140.jpg",
                    "index": 140
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0104/159.jpg",
                    "index": 159
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    649,
                    195,
                    658,
                    238
                ],
                "index": 159,
                "label": "female, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    708,
                    234,
                    722,
                    265
                ],
                "index": 140,
                "label": "female, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    737,
                    213,
                    749,
                    244
                ],
                "index": 121,
                "label": "female, adult, shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, from which direction did the woman come?",
        "options": {
            "A": "Cannot infer",
            "B": "The left side of the square",
            "C": "The center of the square",
            "D": "The right side of the square"
        },
        "answer": "D"
    },
    {
        "question_id": "0105",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0105/28.jpg",
                    "index": 28
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0105/46.jpg",
                    "index": 46
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0105/64.jpg",
                    "index": 64
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    732,
                    232,
                    777,
                    289
                ],
                "index": 28,
                "label": "white tram"
            },
            {
                "entity_type": "object",
                "bbox": [
                    663,
                    444,
                    775,
                    581
                ],
                "index": 46,
                "label": "white tram"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1125,
                    262,
                    1221,
                    334
                ],
                "index": 64,
                "label": "white tram"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the tram in motion before this moment?",
        "options": {
            "A": "No",
            "B": "Yes",
            "C": "Cannot infer"
        },
        "answer": "A"
    },
    {
        "question_id": "0106",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0106/29.jpg",
                    "index": 29
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0106/44.jpg",
                    "index": 44
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0106/65.jpg",
                    "index": 65
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    1052,
                    527,
                    1089,
                    570
                ],
                "index": 29,
                "label": "black stroiier"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1044,
                    523,
                    1077,
                    558
                ],
                "index": 44,
                "label": "black stroller"
            },
            {
                "entity_type": "object",
                "bbox": [
                    1017,
                    496,
                    1058,
                    543
                ],
                "index": 65,
                "label": "black stroller"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, from which direction did the stroller come?",
        "options": {
            "A": "The left side of the square.",
            "B": "The front of the square.",
            "C": "The back of the square.",
            "D": "The right side of the square."
        },
        "answer": "D"
    },
    {
        "question_id": "0107",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0107/97.jpg",
                    "index": 97
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0107/114.jpg",
                    "index": 114
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0107/129.jpg",
                    "index": 129
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    806,
                    234,
                    849,
                    257
                ],
                "index": 97,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    784,
                    224,
                    816,
                    240
                ],
                "index": 114,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    833,
                    212,
                    864,
                    234
                ],
                "index": 129,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, what did the car do before reaching this point?",
        "options": {
            "A": "Step backward. ",
            "B": "Turn to the left.",
            "C": "Move to the right. ",
            "D": "Go along this road"
        },
        "answer": "D"
    },
    {
        "question_id": "0108",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0108/26.jpg",
                    "index": 26
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0108/44.jpg",
                    "index": 44
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0108/57.jpg",
                    "index": 57
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    535,
                    340,
                    563,
                    417
                ],
                "index": 26,
                "label": "female, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    657,
                    349,
                    690,
                    419
                ],
                "index": 44,
                "label": "female, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    628,
                    339,
                    657,
                    417
                ],
                "index": 57,
                "label": "female, adult, shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the woman in motion before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "A"
    },
    {
        "question_id": "0109",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0109/26.jpg",
                    "index": 26
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0109/46.jpg",
                    "index": 46
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0109/63.jpg",
                    "index": 63
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    365,
                    288,
                    389,
                    310
                ],
                "index": 26,
                "label": "red toy car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    34,
                    282,
                    64,
                    311
                ],
                "index": 46,
                "label": "red toy car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    272,
                    330,
                    295,
                    352
                ],
                "index": 63,
                "label": "red toy car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the car driving along the red curve of the square?",
        "options": {
            "A": "Yes.",
            "B": "No.",
            "C": "Cannot infer."
        },
        "answer": "A"
    },
    {
        "question_id": "0110",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0110/172.jpg",
                    "index": 172
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0110/212.jpg",
                    "index": 212
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0110/231.jpg",
                    "index": 231
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    602,
                    335,
                    623,
                    416
                ],
                "index": 231,
                "label": "female, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    741,
                    343,
                    764,
                    425
                ],
                "index": 172,
                "label": "female, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    600,
                    356,
                    658,
                    478
                ],
                "index": 212,
                "label": "female, adult, shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, 2. What did the woman do before reaching this point?",
        "options": {
            "A": "Ran along the road.",
            "B": "Ran over from the grass.",
            "C": "Walked along the road.",
            "D": "Walked over from the grass."
        },
        "answer": "A"
    },
    {
        "question_id": "0111",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0111/87.jpg",
                    "index": 87
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0111/107.jpg",
                    "index": 107
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0111/125.jpg",
                    "index": 125
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    1646,
                    349,
                    1686,
                    436
                ],
                "index": 87,
                "label": "male, old, jacket"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1632,
                    351,
                    1666,
                    432
                ],
                "index": 107,
                "label": "male, old, jacket"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1625,
                    359,
                    1657,
                    446
                ],
                "index": 125,
                "label": "male, old, jacket"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, did the person ride a bike before reaching this point?",
        "options": {
            "A": "Cannot infer",
            "B": "No",
            "C": "Yes"
        },
        "answer": "C"
    },
    {
        "question_id": "0112",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0112/38.jpg",
                    "index": 38
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0112/56.jpg",
                    "index": 56
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0112/69.jpg",
                    "index": 69
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0112/80.jpg",
                    "index": 80
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    703,
                    580,
                    748,
                    701
                ],
                "index": 38,
                "label": "male, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    815,
                    607,
                    858,
                    746
                ],
                "index": 56,
                "label": "male, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    776,
                    657,
                    812,
                    779
                ],
                "index": 69,
                "label": "male, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    749,
                    698,
                    804,
                    830
                ],
                "index": 80,
                "label": "male, adult, shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the man in motion before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "A"
    },
    {
        "question_id": "0113",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0113/74.jpg",
                    "index": 74
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0113/93.jpg",
                    "index": 93
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0113/110.jpg",
                    "index": 110
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0113/135.jpg",
                    "index": 135
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0113/157.jpg",
                    "index": 157
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    776,
                    344,
                    802,
                    408
                ],
                "index": 93,
                "label": "male, child, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    623,
                    403,
                    656,
                    468
                ],
                "index": 110,
                "label": "male, child, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    502,
                    507,
                    555,
                    583
                ],
                "index": 135,
                "label": "male, child, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    299,
                    641,
                    353,
                    736
                ],
                "index": 157,
                "label": "male, child, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    946,
                    303,
                    970,
                    359
                ],
                "index": 74,
                "label": "male, child, t-shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, where did this boy get to this position now?",
        "options": {
            "A": "Right of the tent.",
            "B": "Center of the square.",
            "C": "Children's amusement facilities.",
            "D": "Left of the tent."
        },
        "answer": "A"
    },
    {
        "question_id": "0114",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0114/24.jpg",
                    "index": 24
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0114/39.jpg",
                    "index": 39
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0114/54.jpg",
                    "index": 54
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    835,
                    240,
                    849,
                    285
                ],
                "index": 24,
                "label": "male, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    855,
                    203,
                    867,
                    248
                ],
                "index": 39,
                "label": "male, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    867,
                    186,
                    883,
                    235
                ],
                "index": 54,
                "label": "male, adult, shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was this man stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "B"
    },
    {
        "question_id": "0115",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0115/32.jpg",
                    "index": 32
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0115/47.jpg",
                    "index": 47
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0115/64.jpg",
                    "index": 64
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "human",
                "bbox": [
                    872,
                    570,
                    906,
                    662
                ],
                "index": 32,
                "label": "male, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    853,
                    670,
                    906,
                    765
                ],
                "index": 47,
                "label": "male, adult, shirt"
            },
            {
                "entity_type": "human",
                "bbox": [
                    1168,
                    851,
                    1226,
                    959
                ],
                "index": 64,
                "label": "male, adult, shirt"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the man stationary before this moment?",
        "options": {
            "A": "Yes",
            "B": "Cannot infer",
            "C": "No"
        },
        "answer": "C"
    },
    {
        "question_id": "0116",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0116/23.jpg",
                    "index": 23
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0116/38.jpg",
                    "index": 38
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0116/52.jpg",
                    "index": 52
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    437,
                    198,
                    484,
                    238
                ],
                "index": 23,
                "label": "red toy car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    418,
                    191,
                    462,
                    230
                ],
                "index": 38,
                "label": "red toy car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    393,
                    186,
                    439,
                    223
                ],
                "index": 52,
                "label": "red toy car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the toy car in motion before this moment?",
        "options": {
            "A": "Cannot infer",
            "B": "No",
            "C": "Yes"
        },
        "answer": "C"
    },
    {
        "question_id": "0117",
        "metadata": {
            "data_source": "visdrone2019-vid",
            "data_type": "video_frames",
            "data_resources": [
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0117/56.jpg",
                    "index": 56
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0117/102.jpg",
                    "index": 102
                },
                {
                    "path": "images/annotated/Target_Backtracking/Target_Backtracking_0117/136.jpg",
                    "index": 136
                }
            ]
        },
        "target_entities": [
            {
                "entity_type": "object",
                "bbox": [
                    174,
                    233,
                    234,
                    275
                ],
                "index": 56,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    231,
                    212,
                    294,
                    253
                ],
                "index": 102,
                "label": "white car"
            },
            {
                "entity_type": "object",
                "bbox": [
                    284,
                    200,
                    344,
                    234
                ],
                "index": 136,
                "label": "white car"
            }
        ],
        "question_meta": {
            "category": "Cognition",
            "subcategory": "Target Backtracking"
        },
        "question": "Given the bounding boxes, was the car stationary until this point?",
        "options": {
            "A": "Yes",
            "B": "No",
            "C": "Cannot infer"
        },
        "answer": "B"
    }
]