ll@t;
rep(t){
	ll@x1,@y1,@x2,@y2,@X1,@Y1,@X2,@Y2,x=x1-x2,y=y1-y2,X=X1-X2,Y=Y1-Y2;
	wt((x1==X1&y2==Y2|x*x+y*y>X*X+Y*Y)&x*Y==y*X&x*X+y*Y>0?"Yes":"No");
}