#include <bits/stdc++.h>
using namespace std;
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
#endif
using ll = long long;
using ld = long double;
const ll INF = 1ll<<60;
const ld EPS = 1.0/1e9;
#define endl "\n"
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(x) (x).begin(),(x).end()
#define del(x) sort(all(x)); x.erase(unique(all(x)),x.end());

int main(){
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  ll t; cin >> t;
  while(t--){
    ll n; cin >> n;
    vector<ll>a(n);
    rep(i,0,n) cin >> a[i];
    if(n%2==1){
      cout << "Alice" << endl;
      continue;
    }
    sort(all(a));
    bool f=true;
    rep(i,0,n/2) if(a[2*i]!=a[2*i+1]) f=false;
    if(f) cout << "Bob" << endl;
    else cout << "Alice" << endl;
  }
}