#include<iostream>
using namespace std;
int T,N,A[2<<17];
main()
{
    cin>>T;
    for(;T--;)
    {
        cin>>N;
        int X=0;
        for(int i=0;i<N;i++)cin>>A[i],X^=A[i];
        if(N%2==1)cout<<"Alice\n";
        else cout<<(X==0?"Bob\n":"Alice\n");
    }
}