#include <bits/stdc++.h>
using namespace std;
using ll = long long;

struct point{
    ll x, y;
};
point P[2];
point X[2];
ll dist(point a, point b){
    return (a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y);
}
bool heikou(){
    point p = {P[0].x - P[1].x, P[0].y - P[1].y};
    point x = {X[0].x - X[1].x, X[0].y - X[1].y};
    return (p.x * x.y == p.y * x.x);
}
void solve(){
    cin >> P[0].x >> P[0].y;
    cin >> P[1].x >> P[1].y;
    cin >> X[0].x >> X[0].y;
    cin >> X[1].x >> X[1].y;
    bool f = true;
    f &= dist(P[0], P[1]) > dist(X[0], X[1]);
    f &= heikou();
    cout << (f ? "Yes\n" : "No\n");
}
int main(void){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int t; cin >> t;
    while(t--)solve();
    return 0;
}