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

int main() {
  int t; cin >> t;
  while (t--) {
    int n; cin >> n;
    vector<int> a(n);
    int x = 0;
    for (int i = 0; i < n; i++) cin >> a[i], x ^= a[i];
    if (x == 0) {
      cout << "Bob" << endl;
    } else {
      cout << "Alice" << endl;
    }
  }
}