#include <iostream>
#include <cstring>
using namespace std;

int main() {
	cin.sync_with_stdio(0);
	cin.tie(0);
	int T;
	cin >> T;
	while(T--) {
		int N;
		cin >> N;
		int rec[10];
		memset(rec, 0, sizeof(rec));
		for(int i = 0, a; i < N; i++) {
			cin >> a;
			rec[a-1]++;
		}
		int ans = 0, c = 0;
		for(int i = 1; i < 10; i++) {
			if(rec[i] > rec[ans]) ans = i, c = 0;
			else if(rec[i] == rec[ans]) c = 1;
		}
		if(c) cout << "CONFUSED\n";
		else cout << ans+1 << "\n";
	}
}