#include<bits/stdc++.h>
#define ri register int
#define fp(i, a, b) for(ri i = (a), ed = (b); i <= ed; ++i)
#define fb(i, a, b) for(ri i = (a), ed = (b); i >= ed; --i)
using namespace std;

const int maxn = 100010, maxm = 2010;

int rd(){
	int f = 1, x = 0; char ch = getchar();
	while(ch > '9' || ch < '0'){ 	if(ch == '-')f = -1; ch = getchar(); }
	while(ch <= '9' && ch >= '0'){ x = (x << 1) + (x << 3) + (ch ^ 48);  ch = getchar(); }
	return x * f;
}

int T, m, n, lx[maxn], ly[maxn], rx[maxn], ry[maxn], mx, my;
bool usd[maxn];
vector<int> vec[maxm][maxm];
int main(){
	T = rd();
	while(T--){
		m = rd(), n = rd();
		fp(i, 1, m+n)lx[i] = rd(), ly[i] = rd(), rx[i] = rd(), ry[i] = rd();
		mx = my = 0;
		fp(i, 1, m+n)mx = max(mx, rx[i]+4), my = max(my, ry[i]+4);
		fp(i, 0, mx)fp(j, 0, my)vec[i][j].clear();
		fp(i, m+1, m+n)vec[rx[i]][ry[i]].push_back(i);
		fp(i, 1, m+n)usd[i] = 0;
		fp(i, 1, m){
			fp(x, lx[i], rx[i]+4)fp(y, ly[i], ry[i]+4){
				for(auto &d : vec[x][y]){
					int nlx = max(lx[i], lx[d]), nly = max(ly[i], ly[d]);
					int nrx = min(rx[i], rx[d]), nry = min(ry[i], ry[d]);
					if(nlx > nrx || nly > nry)continue;
					if((nrx-nlx)*(nry-nly)*2 >= (rx[i]-lx[i])*(ry[i]-ly[i]))usd[d] = 1;
				}
			}
		}
		int ans = 0;
		fp(i, m+1, m+n)if(usd[i])++ans;
		printf("%d\n", ans);
	}
}