#include <bits/stdc++.h>
using namespace std;

void fast_io() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
}

int main() {
	fast_io();
	int t;
	cin >> t;
	for (; t--;) {
		int n;
		cin >> n;
		int gr = 0;
		for (int i = 0; i < n; i++) {
			int x;
			cin >> x;
			gr ^= x;
		}
		cout << (gr ? "Alice" : "Bob") << "\n";
	}
}