t = int(input())
for i in range(t):
    x = [int(x) for x in input().split()]
    a = (x[0]-x[2])**2 + (x[1]-x[3])**2 
    b = (x[4]-x[6])**2 + (x[5]-x[7])**2
    if a == b:
        if x[:4] == x[5:]:
            print("Yes")
        else:
            print("No")
    elif a > b:
        print("Yes")
    else:
        print("No")