#include<iostream>
#include<algorithm>
using namespace std;
int T,N,A[2<<17];
main()
{
    cin>>T;
    for(;T--;)
    {
        cin>>N;
		for(int i=0;i<N;i++)cin>>A[i];
		{
			sort(A,A+N);
			int ac=0;
			for(int i=0;i<N;)
			{
				int c=0,a=A[i];
				while(i<N&&A[i]==a)i++,c++;
				ac+=c-1;
			}
			cout<<(ac>N/2-1?"Bob\n":"Alice\n");
		}
	}
}