#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
const int maxn=2000+100;
int fa[maxn];
int relate[maxn];//记录与父节点的性别关系，1代表异性，0代表同性
int n,m;
int kase=0;
int root(int x)
{
    if(x==fa[x]) return x;
    int t=root(fa[x]);
    relate[x]=(relate[x]+relate[fa[x]])%2;
    fa[x]=t;
    return fa[x];
}
void merge(int x,int y)
{
    int fx=root(x);
    int fy=root(y);
    if(fx==fy) return;
    fa[fx]=fy;
    relate[fx]=(relate[y]+relate[x]+1)%2;
    return;
}
int main()
{
    int T;
    int a,b;
    scanf("%d",&T);
    while(T--)
    {
        scanf("%d%d",&n,&m);
        for(int i=1;i<=n;i++)
            fa[i]=i,relate[i]=0;
        bool flag=false;
        for(int j=1;j<=m;j++)
        {
            scanf("%d%d",&a,&b);
            if(root(a)==root(b)&&relate[a]==relate[b])
            {
                flag=true;
            }
            else merge(a,b);
            //printf("yes\n");
        }
        //printf("dsasd\n");
        printf("Scenario #%d:\n",++kase);
        if(flag) printf("Suspicious bugs found!\n\n");
        else printf("No suspicious bugs found!\n\n");

    }
    return 0;
}