T=int(input())
for _ in range(T):
    x1,y1,x2,y2,X1,Y1,X2,Y2=list(map(int,input().split()))
    if (x1==x2 and X1==X2) or (y1==y2 and Y1==Y2):
        if x1==x2 and X1==X2:
            if (y1<Y1 and Y1<Y2 and Y2<y2) or (y2<Y2 and Y2<Y1 and Y1<y1):
                if (y1-Y1==Y2-y2) and (x1-X1==x2-X2):print("Yes")
                else:print("No")
        else:
            if (x1<X1 and X1<X2 and X2<x2) or (x2<X2 and X2<X1 and X1<x1):
                if (x1-X1==X2-x2) and (y1-Y1==y2-Y2):print("Yes")
                else:print("No")
    else:print("No")