#include <bits/stdc++.h>
#define mod 1000000007
#define ull unsigned ll
#define ll long long int
#define ld long double
#define pb push_back
#define mp make_pair
#define mt make_tuple
#define ff first
#define ss second
#define pi acos(-1)
#define nui 100
#define INF 100000000000
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
#define F(i,a,n) for(ll i=a;i<n;i++)
#define B(i,a,n) for(ll i=n-1;i>=a;i--)
#define tc int t;cin>>t;while(t--)
#define tcf ll t;cin>>t;for(int w=1;w<=t;w++)
#define pfn cout<<"-1\n"
#define pfp cout<<"1\n";
 
 
 
using namespace std;
 
 
ll binpow(ll a, ll b)
{
    ll res = 1;
    while (b > 0)
    {
        if (b & 1)
        {
            res *= a;
        }
        a *= a;
        b >>= 1;
    }
    return res;
}
void dex(int a)
{
    if (a == 1)
    {
        cout << "1\n";
    }
    else if (a == -1)
    {
        cout << "-1\n";
    }
    else if (a == 0)
    {
        cout << "0\n";
    }
    else if (a == 2)
    {
        cout << "YES\n";
    }
    else if (a == 3)
    {
        cout << "NO\n";
    }
 
}
 
vector<ll>adj[100005];
vector<ll> visited(100005, 0);
vector<ll>intime(100005, 0);
vector<ll>outime(100005, 0);
vector<ll>dis(100005, 0);
vector<ll>color(100005, 0);
ll tim_e = 0;
ll c = 0;
bool dfs(ll node)
{
    intime[node] = tim_e++;
    visited[node] = 1;
    color[node] = c;
    for (auto i : adj[node])
    {
        if (!visited[i])
        {
            dis[i] = dis[node] + 1;
            c ^= 1;
            bool res = dfs(i);
            if (res == false)
                return false;
        }
        else
        {
            //cout << i << "\n";
            if (color[node] == color[i])
            {
                //  cout << i << "\n";
                return false;
            }
        }
    }
    outime[node] = tim_e++;
    return true;
}
int main()
{
 
#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
 
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
    //Checking whether a graph is bi-partite or not!
 
    tcf{
 
        ll n, e;
        cin >> n >> e;
        ll x, y;
        for (ll i = 1; i <= n; i++)
        {
            adj[i].clear();
            visited[i] = 0;
           // color[i] = 0;
        }
        for (ll i = 1; i <= e; i++)
        {
            cin >> x >> y;
            adj[x].pb(y);
            adj[y].pb(x);
        }
        ll cc = 0;
        bool flag = true;
        F(i, 1, n + 1)
        {
            /*cout << intime[i] << " " << outime[i] << "\n";
            cout << "1-->" << i << "=" << dis[i] << "\n";*/
 
            if (!visited[i])
            {
                c = 0;
                bool clag = dfs(i);
                if (clag == false)
                {
                    flag = false;
                }
            }
        }
        cout << "Scenario #" << w << ":\n";
        if (!flag)
        {
            cout << "Suspicious bugs found!\n";
        }
        else
        {
            cout << "No suspicious bugs found!\n";
        }
 
    }
 
    return 0;
 
}