[
    {
        "start_time": 0.0,
        "end_time": 2.0,
        "whole_body": "The person, wearing a white protective suit, stands in a slightly hunched posture on a city street, positioned between a yellow delivery van and a building storefront.",
        "hands": "They are holding a long spray wand with both hands, directing a high-pressure stream of fluid onto the asphalt near the rear of the van.",
        "face": "Their head is tilted downwards, focused on the area of the ground they are currently spraying."
    },
    {
        "start_time": 2.0,
        "end_time": 4.5,
        "whole_body": "The person begins to shuffle slowly to their right side, maintaining their bent-over stance while continuing to spray the ground.",
        "hands": "The person moves the spray wand in a slow, sweeping motion from their left to their right to cover a larger section of the street.",
        "face": "The head rotates slightly to the right, following the trajectory of the spray to monitor the cleaning progress."
    },
    {
        "start_time": 4.5,
        "end_time": 6.67,
        "whole_body": "The person takes a clear step forward and to their right, advancing towards the area occupied by the white truck.",
        "hands": "The person continues to hold the spray wand firmly with both hands, pointing the nozzle at the pavement directly in front of them.",
        "face": "The head remains focused on the ground, with the gaze directed towards the wet surface being treated."
    }
]