import sys,random,bisect
from collections import deque,defaultdict
import heapq
from itertools import permutations
from math import gcd

input = lambda :sys.stdin.readline().rstrip()
mi = lambda :map(int,input().split())
li = lambda :list(mi())

def calc(h,w,A,f):
    if not f:
        if A[-1][-1]!=0:
            return False
        c = [A[h-1][j] for j in range(w-1)]
        r = [A[i][w-1] for i in range(h-1)]
        for i in range(h-1):
            for j in range(w-1):
                if A[i][j]!=r[i]^c[j]:
                    return False
        return True
    
    else:
        B = [[A[i][j] for j in range(w)] for i in range(h)]
        if calc(h,w,B,False):
            return True
        for j in range(w):
            B[h-1][w] ^= 1
        if calc(h,w,B,False):
            return True
        return False

H,W = mi()
A = [[(i+j)&1 for j in range(W)] for i in range(H)]
for i in range(H):
    S = input()
    for j in range(W):
        if S[j]=="#":
            A[i][j] ^= 1

M = int(input())
row = [H]
column = [W]
for _ in range(M):
    t,n = mi()
    if t==1:
        row.append(n-1)
    else:
        column.append(n-1)

row.sort()
column.sort()
f = True
if H-1 not in row:
    f = False

if W-1 not in column:
    f = False

h = len(row)-1
w = len(column)-1

new_A = [[0]*w for i in range(h)]
for i in range(h):
    for j in range(w):
        rl,rr = row[i],row[i+1]-1
        cl,cr = column[i],column[i+1]-1

        t = A[rl][cl]
        for p in range(rl,rr+1):
            for q in range(cl,cr+1):
                if t!=A[p][q]:
                    exit(print("No"))
        new_A[i][j] = t

if calc(h,w,new_A,f):
    exit(print("Yes"))
new_A = [[new_A[i][j]^1 for j in range(w)] for i in range(h)]
if calc(h,w,new_A,f):
    exit(print("Yes"))
print("No")