#include
using namespace std;
int main()
{int T,n,h,y1,y2,l,x,y,z,w,bar;
cin>>T;
for(x=1;x<=T;x++)
{cin>>n>>h>>y1>>y2>>l;
int arr[n][2];
bar=0;
for(w=0;w<n;w++)
{for(z=0;z<=1;z++) {cin>>arr[w][z];};}
for(y=0;y<n;y++)
{if(arr[y][0]==1)
{if(arr[y][1]<h-y1&&l>1){l–;bar++;}
if(arr[y][1]>=h-y1){bar++;}
;}
if(arr[y][0]==2)
{if(arr[y][1]>y2&&l>1){l–;bar++;}
if(arr[y][1]<=y2){bar++;}
;}
;}
cout<<bar<<endl
;}
return 0;
}