T = int(input())
for _ in range(T):
    N = int(input())
    As = list(map(int, input().split()))
    if N % 2 == 1:
        print("Alice")
    else:
        nim = 0
        for A in As:
            nim ^= (A - 1)
        if nim:
            print("Alice")
        else:
            print("Bob")