import sys
input = sys.stdin.readline

from math import gcd
def frac(x, y):
    if x == 0:
        return (0, 1)
    if y == 0:
        return (1, 0)
    g = gcd(x, y)
    x, y = x // g, y // g
    if x < 0:
        return (-x, -y)
    return (x, y)

class Point:
    def __init__(self, x, y):
        self.x = x
        self.y = y
        
def cross(a, b, c, d):
    s = (a.x - b.x) * (c.y - a.y) - (a.y - b.y) * (c.x - a.x)
    t = (a.x - b.x) * (d.y - a.y) - (a.y - b.y) * (d.x - a.x)
    if s * t > 0:
        return False
    
    s = (c.x - d.x) * (a.y - c.y) - (c.y - d.y) * (a.x - c.x)
    t = (c.x - d.x) * (b.y - c.y) - (c.y - d.y) * (b.x - c.x)
    if s * t > 0:
        return False
    
    return True


T = int(input())
for _ in range(T):
    x1, y1, x2, y2, X1, Y1, X2, Y2 = map(int, input().split())
    dx1 = X1 - x1
    dx2 = X2 - x2
    dy1 = Y1 - y1
    dy2 = Y2 - y2
    a = Point(x1, y1)
    b = Point(x2, y2)
    c = Point(X1, Y1)
    d = Point(X2, Y2)
    if (x1, x2, y1, y2) == (X1, X2, Y1, Y2):
        print("Yes")
    elif cross(a, c, b, d) or (frac(x2 - x1, y2 - y1) != frac(X2 - X1, Y2 - Y1)):
        print("No")
    elif (x2 - x1) ** 2 + (y2 - y1) ** 2 <= (X2 - X1) ** 2 + (Y2 - Y1) ** 2:
        print("No")
    else:
        print("Yes")