#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
using i32 = int32_t;
using u32 = uint32_t;
using i64 = int64_t;
using u64 = uint64_t;
#define rep(i,n) for(int i=0; i<(n); i++)



int main(){
  int T; cin >> T;
  while(T--){
    int N; cin >> N;
    vector<i64> A(N); for(auto& a : A) cin >> a;
    if(N%2 == 1){ cout << "Alice\n"; continue; }
    sort(A.begin(), A.end());
    bool alice_win = true;
    rep(i,N/2+1) if(A[i] == A[i+N/2-1]) alice_win = false;
    bool perfect_pairs = true;
    rep(i,N/2) if(A[i*2] != A[i*2+1]) perfect_pairs = false;
    if(perfect_pairs) alice_win = false;
    if(alice_win) cout << "Alice\n"; else cout << "Bob\n";
  }
  return 0;
}




struct ios_do_not_sync {
    ios_do_not_sync() {
        ios::sync_with_stdio(false);
        cin.tie(nullptr);
    }
} ios_do_not_sync_instance;