#include <bits/stdc++.h>
using namespace std;
int main(){
  int H, W;
  cin >> H >> W;
  vector<string> S(H);
  for (int i = 0; i < H; i++){
    cin >> S[i];
  }
  int M;
  cin >> M;
  vector<int> t(M), n(M);
  for (int i = 0; i < M; i++){
    cin >> t[i] >> n[i];
    n[i]--;
  }
  bool ok = true;
  for (int i = 0; i < H - 1; i++){
    for (int j = 0; j < W - 1; j++){
      int cnt = 0;
      for (int k = 0; k < 2; k++){
        for (int l = 0; l < 2; l++){
          if (S[i + k][j + l] == '#'){
            cnt++;
          }
        }
      }
      if (cnt % 2 == 1){
        ok = false;
      }
    }
  }
  if (!ok){
    cout << "No" << endl;
  } else {
    vector<bool> h(H, false), w(W, false);
    for (int i = 0; i < M; i++){
      if (t[i] == 1){
        h[n[i]] = true;
      }
      if (t[i] == 2){
        w[n[i]] = true;
      }
    }
    for (int i = 0; i < H - 1; i++){
      if (S[i][0] == S[i + 1][0] && !h[i]){
        ok = false;
      }
    }
    for (int i = 0; i < W - 1; i++){
      if (S[0][i] == S[0][i + 1] && !w[i]){
        ok = false;
      }
    }
    if (ok){
      cout << "Yes" << endl;
    } else {
      cout << "No" << endl;
    }
  }
}