#include <bits/stdc++.h>
using namespace std;
int main(void){
    int t;
    cin>>t;
    for(int i=0;i<t;i++){
        long double a,b,c,d;
        cin>>a>>b>>c>>d;
        if(a>0){
            if(c-(b*b)/(3*a)<0){
                cout<<"Yes"<<endl;
            }else{
                cout<<"No"<<endl;
            }
        }else if(a<0){
            if(c-(b*b)/(3*a)>0){
                cout<<"Yes"<<endl;
            }else{
                cout<<"No"<<endl;
            }
        }else{
            cout<<"No"<<endl;
        }
    }
    return 0;
}