using System;
using System.Collections.Generic;
using static System.Console;
using System.Linq;

class yuki319
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(int n) => Enumerable.Repeat(0, n).Select(_ => NList).ToArray();
    static void Main()
    {
        var t = NN;
        var res = new bool[t];
        for (var u = 0; u < t; ++u)
        {
            var n = NN;
            var a = NList;
            var nim = a.Aggregate((l, r) => l ^ r);
            if (n % 2 == 1 || nim != 0)
            {
                res[u] = true;
                continue;
            }
            Array.Sort(a);
            for (var i = 0; i < a.Length; i += 2)
            {
                if (a[i] != a[i + 1])
                {
                    res[u] = true;
                    break;
                }
            }
        }
        WriteLine(string.Join("\n", res.Select(r => r ? "Alice" : "Bob")));
    }
}