import sys input = sys.stdin.readline def iinput(): return int(input()) def sinput(): return input().rstrip() def i0input(): return int(input()) - 1 def linput(): return list(input().split()) def liinput(): return list(map(int, input().split())) def miinput(): return map(int, input().split()) def li0input(): return list(map(lambda x: int(x) - 1, input().split())) def mi0input(): return map(lambda x: int(x) - 1, input().split()) INF = 10**20 MOD = 1000000007 T = iinput() for _ in [0] * T: N = iinput() A = liinput() if N % 2: print('Alice') continue res = 0 for a in A: res ^= a if res % 2: print('Alice') else: print('Bob')