#include <bits/stdc++.h>
    using namespace std;
    #include <math.h>
    #include <iomanip>
    #include <cstdint>
    #include <string>
    #include <sstream>
    template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
    template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
    #define rep(i,n) for (int i = 0; i < (n); ++i)
    typedef long long ll;
    typedef long double ld;
    typedef unsigned long long ull;
    using P=pair<ll,ll>;
    const ll INF=1001001001;
    const int mod=998244353;
    
    void solve(){
        int n;
        cin>>n;
        vector<int>a(n);
        rep(i,n)cin>>a[i];
        map<int,int>mp;
        rep(i,n){
            mp[a[i]]++;
        }
        for(auto u:mp){
            if(u.second%2){
                cout<<"Alice"<<endl;
                return;
            }
        }
        cout<<"Bob"<<endl;
    } 

    int main(){
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        
        int t;
        cin>>t;
        rep(i,t){
            solve();
        }

        return 0;
    }