#include <iostream>
#include <cstdio>
#include <cmath>
#include <vector>
#include <map>
#include <stack>
#include <queue>
#include <algorithm>
#include <set>

#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REP(i,j) FOR(i,0,j)
#define mp std::make_pair

const int INF = 1 << 24;
const int dx[8] = {0, 0, 1, -1, 1, 1, -1, -1}, dy[8] = {1, -1, 0, 0, 1, -1, 1, -1};

typedef unsigned long long ull;
typedef std::pair<int,int> P;

int main(){
    int T;
    std::cin >> T;

    REP(_, T){
        int X, Y, W, H;
        std::cin >> X >> Y >> W >> H;

        int N;
        std::cin >> N;

        int cat = 0;
        REP(i, N){
            int x, y;
            std::cin >> x >> y;

            if(X <= x && x <= X+W &&
               Y <= y && y <= Y+H){
                cat++;
            }
        }

        std::cout << cat << std::endl;
    }
}