#include <bits/stdc++.h>
using namespace std;

int main() {
    int t;
    cin >> t;
    while (t--) {
        int N;
        cin >> N;
        int x = 0;
        vector<int>A(N);
        for(int i = 0; i < N; i++) {
            cin >> A[i];
        }
        sort(A.begin(),A.end());
        for(int i = 0; i < N && N%2 == 0; i += 2) {
            if(A[i] != A[i+1]) {
                x = 1;
            }
        }
        if(N%2 || x) {
            cout << "Alice" << endl;
        }
        else {
            cout << "Bob" << endl;
        }
    }
}