#include<iostream>
#include<cstring>
#include<cstdio>
#include<cmath>
#include<algorithm>
#include<queue>
#include<vector>
using namespace std;
int n,m; 
int main()
{
    int t;
    cin>>t;
    while(t--) 
    {
        cin>>n>>m;
        int sum=0;
        for(int i=0;i<n;i++)
            for(int j=0;j<m;j++)
            {
                int xxx;
                scanf("%d",&xxx);
                sum+=xxx;
            }
        if(sum%2==(n+m)%2)
            cout<<"NO"<<endl;
        else
            cout<<"YES"<<endl;
    }
    return 0; 
}