[
    {
        "start_time": 0.0,
        "end_time": 2.4,
        "whole_body": "The person stands on the sidewalk near a lamppost, wearing a backpack and leaning slightly forward.",
        "hands": "Both hands are held in front of the torso, likely interacting with a phone or small object.",
        "face": "The head is tilted downward, focusing on the hands."
    },
    {
        "start_time": 2.4,
        "end_time": 15.0,
        "whole_body": "The person begins walking across the street from the left side to the right, maintains a steady pace, and steps onto the opposite sidewalk.",
        "hands": "The arms and hands swing naturally at the sides in rhythm with the walking gait.",
        "face": "The head is upright and the person looks forward in the direction they are walking."
    }
]