#include <cstring>
#include <iostream>
#include <vector>

using namespace std;

void solveGroup() {
    bool tempList[12] = {false};
    bool realCoins[12] = {false};
    vector<pair<string, string> > lighterResults;
    for (int _ = 0; _ < 3; _++) {
        string s1, s2, comparison;
        cin >> s1 >> s2 >> comparison;
        if (comparison == "even") {
            for (const char c: s1 + s2) {
                realCoins[c - 'A'] = true;
            }
        } else {
            memset(tempList, false, sizeof(tempList));
            for (const char c: s1 + s2) { tempList[c - 'A'] = true; }
            for (int i = 0; i < 12; i++) {
                if (!tempList[i]) { realCoins[i] = true; }
            }

            if (comparison == "down") {
                lighterResults.emplace_back(s2, s1);
            } else {
                lighterResults.emplace_back(s1, s2);
            }
        }
    }
    for (int i = 0; i < 12; i++) {
        if (realCoins[i]) continue;
        int conclusion = 0;
        for (const auto &[s1, s2]: lighterResults) {
            if (s1.find(static_cast<char>(i + 'A')) != string::npos) {
                if (conclusion == 1) {
                    conclusion = -2;
                    break;
                }
                conclusion = -1;
            } else if (s2.find(static_cast<char>(i + 'A')) != string::npos) {
                if (conclusion == -1) {
                    conclusion = -2;
                    break;
                }
                conclusion = 1;
            }
        }
        if (conclusion == -2 || conclusion == 0) { continue; }
        cout << static_cast<char>(i + 'A') << " is the counterfeit coin and it is "
                << (conclusion == 1 ? "light." : "heavy.") << endl;
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    for (int _ = 0; _ < n; _++) {
        solveGroup();
    }
    return 0;
}