#include<iostream>
using namespace std;
int main() {
    int T;
    cin >> T;
    while (T--) {
        int Xa, Ya, Xb, Yb, n;
        cin >> Xa >> Xb >> Ya >> Yb;
        if (Yb % Xa == 0) {
            n = Yb / Xa;
        }
        else
            n = Yb / Xa+1;
        if (n * Xb >= Ya) cout << "YES" << endl;
        else cout << "NO" << endl;
    }
    return 0;
}