{
    "ch-1" : [
        {
            "function" : "binarydate",
            "arguments" : "2025-07-26",
            "result" : "11111101001-111-11010"
        },
        {
            "arguments" : "2000-02-02",
            "result" : "11111010000-10-10"
        },
        {
            "arguments" : "2024-12-31",
            "result" : "11111101000-1100-11111"
        }
    ],
    "ch-2" : [
        {
            "function" : "oddletters",
            "arguments" : "weekly",
            "result" : false
        },
        {
            "arguments" : "perl",
            "result" : true
        },
        {
            "arguments" : "challenge",
            "result" : false
        }
    ]
}