Q=int(input())
for _ in range(Q):
  x1,y1,x2,y2,X1,Y1,X2,Y2=map(int,input().split())
  if (x1==X1 and y1==Y1) or (x2==X2 and y2==Y2):
    print('Yes')
    continue
  a,b=x2-x1,y2-y1
  c,d=X2-X1,Y2-Y1
  if b*c!=a*d:
    print('No')
    continue
  if a**2+b**2>c**2+d**2:
    print('Yes')
  else:
    print('No')