#include <bits/stdc++.h>
#ifdef _DEBUG
#include "debug.hpp"
#else
#define debug(...)
#endif
#define fastIO (cin.tie(0), cout.tie(0), ios::sync_with_stdio(false))
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define precise(i) fixed << setprecision(i)
#define MAX 10
using ill = int64_t;
using ull = uint64_t;
using namespace std;

void solve() {
  int loop;
  cin >> loop;
  int nums[MAX]{0};
  vector<int> inputs(4);

  while (loop--) {
    inputs.clear();
    inputs.resize(4);
    for (auto &i : inputs) cin >> i;

    string guess;
    cin >> guess;
    if (guess == "YES") {
      for (const auto i : inputs) nums[i]++;
    } else {
      for (const auto i : inputs) nums[i] -= 9999;
    }
  }

  for (int i = 2; i >= 0; --i) {
    for (int j = 0; j < MAX; j++) {
      if (nums[j] >= i) {
        cout << j << '\n';
        return;
      }
    }
  }
  cout << "sup" << '\n';
  return;
}

void wrapper() {
  int loop;
  cin >> loop;
  rep(i, loop) {
    cout << "[TEST " << i + 1 << "]\n";
    solve();
    cout << "\n";
  }
}

int main() {
  fastIO;
#ifdef _DEBUG
  wrapper();
#else
  solve();
#endif
}