#include<bits/stdc++.h>
using namespace std;
int main(){
    int t;
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        vector<int>v(n);
        for(int i=0;i<n;++i)cin>>v[i];
        bool ok=0;
        if(n%2)ok=1;
        else{
            map<int,int>m;
            for(auto e:v)m[e]++;
            for(auto [s,t]:m)if(t%2){
                ok=1;
                break;
            }
        }
        cout<<(ok?"Alice":"Bob")<<endl;
    }
}