[
    {
        "start_time": 0.0,
        "end_time": 4.666,
        "whole_body": "The person is walking forward along a paved walkway in a park.",
        "hands": "The person's arms are swinging naturally at their sides as they walk.",
        "face": "The person's head is upright and they are looking forward in the direction of travel."
    }
]