#include <iostream>
#include <map>

using namespace std;
int main(){
    int t; cin >> t;
    while(t){
        t--;
        int i,n; cin >> n;
        map<int,int> mp;
        for(i=0;i<n;i++){
            int a; cin >> a; mp[a]++;
        }
        if(n&1){
            cout << "Alice\n";
            continue;
        }
        bool f = true;
        for(auto x:mp){
            if(x.second&1) f = false;
        }
        if(f) cout << "Bob\n";
        else cout << "Alice\n";
    }
}