include

using namespace std;

int main() { int t; cin>>t; double x1,y1,x2,y2,xm,ym,x0,y0; for(int i=0;i

    for(int i=0;i<6;i++)
    {
        cin>>arr[i];

    }

   x1=arr[0];y1=arr[1];x2=arr[2];y2=arr[3];xm=arr[4];ym=arr[5];
   x0=0;y0=0;

   double t=(x0-x1)*(y2-y1)-(x2-x1)*(y0-y1);
   double p=(xm-x1)*(y2-y1)-(x2-x1)*(ym-y1);

   if(t<0 && p<0)
   {
       cout<<"YES"<<endl;
   }
   else if(t>0 && p>0)
   {
       cout<<"YES"<<endl;
   }
   else if(t==0 && p>0)
   {
       cout<<"YES"<<endl;

   }
   else if(t==0 && p<0)
   {
       cout<<"YES"<<endl;
   }

   else if(t==0 && p==0)
   {
       if(xm==0 && abs(ym)<abs(y1) && abs(ym)<abs(y2))
       {
           cout<<"YES"<<endl;
       }
       else if(ym==0 && abs(xm)<abs(x1) && abs(xm)<abs(x2))
       {
           cout<<"YES"<<endl;
       }
       else if  (xm==0 && ym==0)
       {
            cout<<"YES"<<endl;
       }
       else if (ym/xm==(y2-y1)/(x2-x1)){

            if(xm<x1 &&xm<x2)
            cout<<"YES"<<endl;
       else
        cout<<"NO"<<endl;

       }
   }
   else
   {
       if(xm==0)
       {
           if((x1>=0 && x2<=0)||(x1<=0 && x2>=0))cout<<"NO"<<endl;
           else cout<<"YES"<<endl;
       }
       else if(ym==0)
       {
           if((y1>=0 && y2<=0)||(y1<=0 && y2>=0))cout<<"NO"<<endl;
           else cout<<"YES"<<endl;

       }
       else
       {
           double t=(y2-y1)-(x2-x1)*ym/xm;
           double p=x1*(y2-y1)-y1*(x2-x1);
           double x=p/t;
           if((x1>=x && x2<=x)||(x1<=x && x2>=x))cout<<"NO"<<endl;
           else cout<<"YES"<<endl;


       }
   }




}


}