/* -*- coding: utf-8 -*-
 *
 * 2813.cc:  No.2813 Cookie - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* constant */

const int MAX_N = 200000;

/* typedef */

/* global variables */

int as[MAX_N];

/* subroutines */

/* main */

int main() {
  int tn;
  scanf("%d", &tn);

  while (tn--) {
    int n;
    scanf("%d", &n);
    for (int i = 0; i < n; i++) scanf("%d", as + i);
    sort(as, as + n);

    bool ok = true;
    for (int i = 0; ok && i < n;) {
      int j = i;
      while (i < n && as[j] == as[i]) i++;
      if ((i - j) & 1) ok = false;
    }

    if (! ok) puts("Alice");
    else puts("Bob");
  }

  return 0;
}