{
    "participants": [
        "Jane",
        "Mark",
        "John",
        "Helen"
    ],
    "accepted": true,
    "points": 32,
    "tools": [
        { "name": "Hammer", "usage": "hitting nails" },
        { "name": "Welder", "usage": "welding" },
        { "name": "Screwdriver", "usage": "screwing" }
    ]
}