#include <bits/stdc++.h>
using namespace std;

int main() {
	int t;
	cin >> t;
	while(t--) {
		int n;
		cin >> n;
		vector<int> a(n);
		for(auto &v : a) cin >> v;
		sort(a.begin(), a.end());
		if(n & 1) {
			cout << "Alice\n";
		} else {
			bool notpair = 0;
			for(int i = 0; i < n / 2; i++) {
				if(a[i * 2] != a[i * 2 + 1]) notpair = 1;
			}
			cout << (notpair ? "Alice\n" : "Bob\n");
		}
	}
	return 0;
}