#include <fstream>
#include <vector>
#include <set>
#include <stack>

using namespace std;
ifstream fin("obiective.in");
ofstream fout("obiective.out");
int n, m, i, j, viz[32005], nr, component[32005], x, y, t;
vector <int> v1[32005], v2[32005];
stack <int> q;
set <int> components[32005];
void dfs1(int nod)
{
    viz[nod]=1;
    for(auto i: v1[nod])
        if(viz[i]==0)
          dfs1(i);
    q.push(nod);
}
void dfs2(int nod)
{
    viz[nod]=1;
    component[nod]=nr;
    components[nr].insert(nod);
    for(auto i: v2[nod])
        if(viz[i]==0)
        dfs2(i);
}
int main()
{
    fin>>n>>m;
    for(i=1; i<=m; i++)
    {
        fin>>x>>y;
        v1[x].push_back(y);
        v2[y].push_back(x);
    }
    for(i=1; i<=n; i++)
        if(viz[i]==0)
         dfs1(i);
    for(i=1; i<=n; i++)
        viz[i]=0;
    while(!q.empty())
    {
        int x=q.top();
        q.pop();
        if(viz[x]==0)
        {
            nr++;
            dfs2(x);
        }
    }
    fin>>t;
    while(t--)
    {
        fin>>x>>y;
        fout<<component[x]<<" "<<component[y]<<'\n';
    }
    for(i=1; i<=nr; i++)
    {
        for(auto j: components[i])
            fout<<j<<" ";
        fout<<'\n';
    }
    return 0;
}