#include<bits/stdc++.h>

using namespace std;

struct p

{

    char s[];

    int money;

    int v;

    int v1;

    int day;

    double price;

}P[];

bool cmp(p X,p Y)

{

    if(X.price==Y.price)  return X.v1>Y.v1;

    return X.price<Y.price;

}

int main()

{

    int t,n;

    cin>>t;

    while(t--)

    {

        cin>>n;

        for(int i=;i<n;i++)

        {

            cin>>P[i].s>>P[i].money>>P[i].v1;

            P[i].v=P[i].v1;

            if(P[i].v>=)  P[i].v=;

            P[i].v=P[i].v/*;

            P[i].day=P[i].v/;

            P[i].price=P[i].money*1.0/P[i].day;

        }

        sort(P,P+n,cmp);

        cout<<P[].s<<endl;

    }

    return ;

}