#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
using namespace std;
int m,n,t;
int main(int argc, char *argv[]) {
    int i,j,x,y;
    scanf("%d",&t);
    while(t)
    {
    scanf("%d%d",&n,&m);
    int s=0;
    for(i=0;i<n;i++)
    for(j=0;j<m;j++)
    {scanf("%d",&x);
     if(x)s++;}
    if(s%2!=(m+n)%2)printf("YES\n");
    else printf("NO\n");
    t--;}
    return 0;
}