function compareNumbers(arr) {

    let comparisonResult = "";
    if (arr[0] > arr[1]) {
        comparisonResult = "greater";
    } else if (arr[0] < arr[1]) {
         comparis
    } else {
         comparis
    }

     if (comparis "equal") {
        return "Both numbers are equal.";
    }

    return `${arr[0]} is ${comparisonResult} than ${arr[1]}`;
}