#include <bits/stdc++.h>

using namespace std;

#define REP(i,a,b) for(int i=a;i<(int)b;i++)
#define rep(i,n) REP(i,0,n)
#define all(c) (c).begin(), (c).end()
#define zero(a) memset(a, 0, sizeof a)
#define minus(a) memset(a, -1, sizeof a)
#define watch(a) { cout << #a << " = " << a << endl; }
template<class T1, class T2> inline bool minimize(T1 &a, T2 b) { return b < a && (a = b, 1); }
template<class T1, class T2> inline bool maximize(T1 &a, T2 b) { return a < b && (a = b, 1); }

typedef long long ll;
int const inf = 1<<29;

int main() {

  int Tc; cin >> Tc;
  while(Tc--) {
    int x, y, w, h; cin >> x >> y >> w >> h;
    int N; cin >> N;
    int cnt = 0;
    rep(i, N) {
      int X, Y; cin >> X >> Y;
      cnt += x <= X && X <= x + w && y <= Y && Y <= y + h;
    }
    cout << cnt << endl;
  }
  
  return 0;
}