#include <algorithm>
#include <cstdio>
#include <unordered_map>
#include <vector>
 
using namespace std;
 
typedef long long int64;
 
struct Point {
  Point(int64 x, int64 y) : x(x), y(y) {}
  int64 x;
  int64 y;
};
 
bool compareP(Point const& a, Point const& b)
{
	if(a.x != b.x) return a.x < b.x;
	else a.y < b.y;
}
 
bool operator<(Point const& a, Point const& b) {
  return a.x != b.x ? a.x < b.x : a.y < b.y;
}
 
struct Cut {
  Cut(Point a, Point b) : a(a), b(b) {}
  Point a;
  Point b;
};
bool operator<(Cut const& lt, Cut const& rt) { return lt.a < rt.a; }
 
bool compareC(Cut const& lt, Cut const& rt)
{
        return compareP(lt.a,rt.a);
}
 
 
 
bool IsRight(Cut const& cut, Point const& point) {
  int64 dx1 = cut.a.x - point.x;
  int64 dy1 = cut.a.y - point.y;
  int64 dx2 = cut.b.x - point.x;
  int64 dy2 = cut.b.y - point.y;
  int64 t = dx1 * dy2 - dx2 * dy1;
  return t < 0;
}
 
int64 BinarySearch(vector<Cut> const& cuts, Point const& point, int lo, int hi) {
  //int lo = 0, hi = cuts.size();
  	if(lo == hi) return lo;
  	int mid = (lo + hi)/2;
	if(IsRight(cuts[mid],point)) BinarySearch(cuts,point,lo,mid);
	else BinarySearch(cuts,point,mid+1,hi);
    //while (lo < hi) {
    //int mid = (lo + hi) / 2;
    //if (IsRight(cuts[mid], point)) hi = mid; else lo = mid + 1;
  //}
 // return lo;
}
 
int main() {
  int X, Y;
  scanf("%d%d", &X, &Y);
  vector<Point> Q;
  int nQ;
  scanf("%d", &nQ);
  for (int i = 0; i < nQ; ++i) {
    int x, y;
    scanf("%d%d", &x, &y);
    Q.push_back(Point(x, y));
  }
 
  vector<Cut> H;
  int nH;
  scanf("%d", &nH);
  for (int i = 0; i < nH; ++i) {
    int y1, y2;
    scanf("%d%d", &y1, &y2);
    H.push_back(Cut(Point(0, y1), Point(X, y2)));
  }
  sort(H.begin(), H.end());
 
  vector<Cut> V;
  int nV;
  scanf("%d", &nV);
  for (int i = 0; i < nV; ++i) {
    int x1, x2;
    scanf("%d%d", &x1, &x2);
    V.push_back(Cut(Point(x1, Y), Point(x2, 0)));
  }
  sort(V.begin(), V.end());
 
  int mx = 0;
  std::unordered_map<int64, int> cnt;
  for (int i = 0; i < nQ; ++i) {
    mx = max(mx, ++cnt[BinarySearch(H, Q[i],0,H.size()) << 32 |  BinarySearch(V, Q[i],0,V.size())]);
  }
  printf("%d\n", mx);
  return 0;
}
 

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