A

#include <bits/stdc++.h>

using namespace std;

#define ll     long long
#define _test   int _TEST; cin>>_TEST; while(_TEST--)

int main()
{
    _test
    {
        int n, m, k;
        cin>>n>>m>>k;

        int x, y;
        cin>>x>>y;

        int f = 1;

        for(int i=0; i<k; i++)
        {
            int a, b;
            cin>>a>>b;

            f &= ((x+y)%2 != (a+b)%2);
        }

        if(f)       cout<<"YES\n";
        else        cout<<"NO\n";
    }
}