#include <queue>
#include <vector>
#include <iostream>
#include <algorithm>
#include <functional>
using namespace std;
int main() {
	int Q;
	cin >> Q;
	while (Q--) {
		int N;
		cin >> N;
		vector<int> A(N);
		for (int i = 0; i < N; ++i) {
			cin >> A[i];
		}
		int g = 0;
		for (int i = 0; i < N; ++i) {
			g ^= A[i];
		}
		cout << (g != 0 ? "Alice" : "Bob") << endl;
	}
	return 0;
}