import sys, time, random
from collections import deque, Counter, defaultdict
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 61 - 1
mod = 998244353
memo = {}

def solve():
    n = ii()
    a = li()
    g = 0
    for v in a:
        g ^= v
    print('Alice' if g else 'Bob')
    
for _ in range(ii()):
    solve()