#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;

int main(){
    
    ll n,m;
    cin >> n >> m;

    vector<ll> colors(m);

    vector<pair<ll,ll>> to_sort;
    vector<vector<ll>> data(n+1);

    for(ll i = 0; i < n; i++){
        ll size;
        cin >> size;
        pair<ll,ll> record(size,i+1);
        to_sort.push_back(record);
        for(ll j = 0; j < size; j++){
            ll hobby;
            cin >> hobby;
            data[i+1].push_back(hobby-1);
        }
    }

    sort(to_sort.begin(),to_sort.end());
    reverse(to_sort.begin(),to_sort.end());

    vector<ll> position_in_sorted_order(n+1);
    for(ll i = 0; i < to_sort.size(); i++){
        ll person = to_sort[i].second;
        position_in_sorted_order[person] = i;
    }
    position_in_sorted_order[0] = -1;

    ll pos = 0;
    bool no_match = true;
    while(pos < to_sort.size()){
        ll person = to_sort[pos].second;

        //check whether we are overwriting only one color
        ll color = -1;
        bool found = false;
        for(int i = 0; i < data[person].size(); i++){
            ll hobby = data[person][i];
            if(color == -1){
                color = colors[hobby];
            }
            if(color != colors[hobby]){
                found = true;
                break;
            }
        }
        if(found){
            //find the match
            int newest_outlier = 0;

            for(int i = 0; i < data[person].size(); i++){
                ll hobby = data[person][i];
                if(position_in_sorted_order[newest_outlier] < position_in_sorted_order[colors[hobby]]){
                    newest_outlier = colors[hobby];
                }
            }
            

            cout << "YES" << endl << person << " " << newest_outlier << endl;
            no_match = false;
            break;
        }
        //it's all the same color, no match found, overwrite now
        for(int i = 0; i < data[person].size(); i++){
            ll hobby = data[person][i];
            colors[hobby] = person;
        }

        pos++;
    }

    if(no_match){
        cout << "NO" << endl;
    }

}