from collections import defaultdict
t = int(input())
for _ in range(t):
    n = int(input())
    a = list(map(int,input().split()))
    if n & 1:
        print("Alice")
    else:
        d = defaultdict(int)
        ki = []
        for k in d.keys():
            if d[k] & 1:
                ki.append(k)
        ki.sort()
        if len(ki) % 2 != 0:
            print("Alice")
        else:
            print("Bob")