using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
        // Test();
    }
    static void Test()
    {
        var r = new Random();
        var count = 0;
        while (true)
        {
            var (x1, y1, x2, y2) = (r.Next(10), r.Next(10), r.Next(10), r.Next(10));
            var (cx, cy, a) = (r.Next(10), r.Next(10), r.NextDouble());
            var b = Trans(x1, y1, x2, y2, cx, cy, a);
            if (!Check(x1, y1, x2, y2, b.x1, b.y1, b.x2, b.y2))
            {
                WriteLine($"{x1} {y1} {x2} {y2} -> {cx} {cy} {a} -> {b}");
                var dbx = x2 - x1;
                var dby = y2 - y1;
                var dax = b.x2 - b.x1;
                var day = b.y2 - b.y1;
                WriteLine($"{dbx} {dby} {dax} {day}");
                return;
            }
            ++count;
            if (count % 1000 == 0) WriteLine(count);
        }
    }
    static (double x1, double y1, double x2, double y2) Trans(double x1, double y1, double x2, double y2, double cx, double cy, double a)
    {
        return ((1-a) * x1 + a * cx, (1-a) * y1 + a * cy, (1-a) * x2 + a * cx, (1-a) * y2 + a * cy);
    }
    static bool Check(double x1, double y1, double x2, double y2, double bx1, double by1, double bx2, double by2)
    {
        if (x1 == bx1 && y1 == by1 && x2 == bx2 && y2 == by2) return true;
        var dbx = x2 - x1;
        var dby = y2 - y1;
        var dax = bx2 - bx1;
        var day = by2 - by1;
        if ((dbx >= 0 != dax >= 0) || (dby >= 0 != day >= 0)) return false;
        if (Math.Abs(dbx) < Math.Abs(dax) || Math.Abs(dby) < Math.Abs(day)) return false;
        if ((dbx != 0 && Eq(dbx, dax)) || (dby != 0 && Eq(dby, day))) return false;
        return true;
    }
    static bool Eq(double a, double b)
    {
        return Math.Abs(a - b) < 0.00001 || Math.Abs(Math.Abs(b / a) - 1) < 0.00001;
    }
    static void Solve()
    {
        var t = NN;
        var ans = new bool[t];
        for (var u = 0; u < t; ++u)
        {
            var c = NList;
            if (c[0] == c[4] && c[1] == c[5] && c[2] == c[6] && c[3] == c[7]) ans[u] = true;
            var dbx = c[2] - c[0];
            var dby = c[3] - c[1];
            var dax = c[6] - c[4];
            var day = c[7] - c[5];
            if ((dbx >= 0 != dax >= 0) || (dby >= 0 != day >= 0)) continue;
            if (Math.Abs(dbx) < Math.Abs(dax) || Math.Abs(dby) < Math.Abs(day)) continue;
            if ((dbx != 0 && dbx == dax) || (dby != 0 && dby == day)) continue;
            ans[u] = true;
        }
        WriteLine(string.Join("\n", ans.Select(f => f ? "Yes" : "No")));
    }
}