#include <bits/stdc++.h>
using namespace std;
 
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
 
    int T; cin >> T;
    while(T--){
        int N; cin >> N;
        vector<int> A(N);
        int OR = 0;
        for(int i=0;i<N;i++){
            cin >> A[i];
            OR |= A[i];
        }
 
        // 최상위 1비트 찾기
        int h = 0;
        for(int b=30;b>=0;b--){
            if((OR>>b)&1){
                h = 1<<b;
                break;
            }
        }
 
        int xorSum = 0;
        for(int x:A){
            if(x & h){
                xorSum ^= (x - h); // 최상위 비트를 유지한 제거량
            }
        }
 
        cout << (xorSum ? "Alice" : "Bob") << '\n';
    }
}

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