#include <bits/stdc++.h>
using namespace std;
int n;
int ax,ay,bx,by;
bool ddd(int a,int b){
	int r;
	while (a % b != 0){
		r = a % b;
		a = b;
		b = r;
	}
	if(b==1) return 1;
	else return 0;
}
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>ax>>ay;
		cin>>bx>>by;
		int cnta=abs(ax-bx);
		int cntb=abs(ay-by);
		if(ddd(cnta,cntb)) cout<<"no"<<endl;
		else cout<<"yes"<<endl;
	}
	return 0;
}