#include <stdio.h>

bool ai(long xa,long xb,long ya,long yb)
{
    int x=ya/xb;
    if(ya%xb)  x++;
    if(yb-(x-1)*xa>0)
      return true;
    else
      return false;
}
int main()
{
    int t;
    long xa,xb,ya,yb;
    scanf("%d",&t);
    while(t--)
    {
        scanf("%ld",&xa);
        scanf("%ld",&xb);
        scanf("%ld",&ya);
        scanf("%ld",&yb);
        if(ai(xa,xb,ya,yb))
          printf("YES\n");
        else 
          printf("NO\n");
    }
    return 0;
}