t = int(input())
for _ in range(t):
    n = int(input())
    a = list(map(int,input().split()))
    if n & 1:
        print("Alice")
    else:
        s = set(a)
        if not len(s) == 2:
            print("Bob")
        else:
            x,y = sorted(list(s))
            if a.count(y) == 1:
                print("Alice")
            else:
                print("Bob")