#define _CRT_SECURE_NO_WARNINGS
#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING

#include <bits/stdc++.h>

using namespace std;
const int N = 1e5 + 10;
int adj[N], nxt[N], to[N], ecnt, dis[1005][1005];

inline void addEdge(int f, int t) {
    ecnt++;
    nxt[ecnt] = adj[f];
    adj[f] = ecnt;
    to[ecnt] = t;
}

void dfs(int s, int *vis) {
    vis[s] = 1;
    for (int e = adj[s]; e; e = nxt[e])
        if (!vis[to[e]])
            dfs(to[e], vis);
}

int main() {
    int T, n, m;
    scanf("%d", &T);
    while (T--) {
        ecnt = 0;
        memset(adj, 0, sizeof(adj));
        memset(dis, 0, sizeof(dis));
        scanf("%d%d", &n, &m);
        for (int i = 0, u, v; i < m; i++)
            scanf("%d%d", &u, &v), addEdge(u, v);
        for (int i = 1; i <= n; i++)
            dfs(i, dis[i]);
        bool flag = true;
        for (int i = 1; i <= n && flag; i++)
            for (int j = 1; j < i && flag; j++)
                if ((dis[i][j] || dis[j][i]) == false)
                    flag = false;
        puts(flag ? "I love you my love and our love save us!" : "Light my fire!");
    }
    return 0;
}