#include <bits/stdc++.h>

using namespace std;
#define rep(i,n) for(long long i=0;i<n;++i)
#define rep1(i,n) for(long long i=1;i<=n;++i)
#define rrep(i,n) for(long long i=n-1;i>=0;--i)
#define debug(output) if(debugFlag)cout<<#output<<"= "<<output<<endl
using lint = long long;
typedef pair<int,int> P;
const bool debugFlag=true;
const lint linf=1.1e18;const lint inf=1.01e9;
constexpr int MOD=1000000007;
template<class T>bool chmax(T &a, const T &b) { if(a < b){ a = b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if(a > b){ a = b; return 1; } return 0; }
template<class T>
vector<pair<T,int>> RunLengthPress(vector<T> a){
  int cnt=1;T last=a[0];
  int n=a.size();
  vector<pair<T,int>> res;
  rep1(i,n-1){
    if(last==a[i])++cnt;
    else{
      res.push_back({last,cnt});
      last=a[i];cnt=1;
    }
  }
  res.push_back({last,cnt});
  return res;
}
void solve(){
  int n;cin>>n;
  vector<lint> a(n);
  rep(i,n)cin>>a[i];
  sort(a.begin(),a.end());
  auto b=RunLengthPress(a);
  rep(i,b.size()){
    if(b[i].second&1){
      cout<<"Alice"<<"\n";
      return;
    }
  }
  cout<<"Bob"<<"\n";
}
signed main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  int t;cin>>t;
  rep(i,t)solve();
  return 0;
}