#include <fstream>
#include <vector>
#include <iomanip>

using namespace std;

ifstream cin ("packing.in");
ofstream cout ("packing.out");

vector < double > xs;
vector < double > ys;

int main ()
{
    int n;
    cin >> n;
    while (n--) 
    {
        int p;
        cin >> p;
        double maxx = -1e9, maxy = -1e9;
        while (p --)
        {
            double a, b;
            cin >> a >> b;
            xs.push_back(a);
            ys.push_back(b);
            maxx = max(maxx, a); maxy = max(maxy, b);
        }
        int polys;
        cin >> polys;
        int sp = -1;
        while (polys --)
        {
            int points;
            cin >> points;
            while (points --) { int ind; cin >> ind; if(sp == -1) sp = ind; }
        }
        if (n == 0)
        {
            cout << 1 << " " << 0 << " " << setprecision(10) << maxx - xs[sp] << " " << setprecision(10) <<maxy - ys[sp] << endl;
        }
        else
        {
            cout << 0 << endl;
        }
    }
}