#include <stdio.h>

int solve(int N, int A[])
{
	if (N % 2 != 0) return 0;

	int i, X = 0;
	for (i = 1; i <= N; i++) X ^= A[i];
	if (X == 0) return 1;
	else return 0;
}

int main()
{
	int i, t, T, N, A[200001];
	scanf("%d", &T);
	for (t = 1; t <= T; t++) {
		scanf("%d", &N);
		for (i = 1; i <= N; i++) scanf("%d", &(A[i]));
		if (solve(N, A) == 0) printf("Alice\n");
		else printf("Bob\n");
	}
	fflush(stdout);
	return 0;
}