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)
        for i in range(n):
            d[a[i]] += 1
        ans = "Bob"
        for k in d.keys():
            if d[k] % 2 != 0:
                ans = "Alice"
        print(ans)