#include<bits/stdc++.h>

using namespace std;

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n, m; cin >> n >> m;
	vector<pair<int, vector<int>>> v(n);
	for(int i = 0; i < n; ++i){
		int k; cin >> k;
		v[i].second.resize(k);
		v[i].first = i;
		for(auto &x : v[i].second)cin >> x;
	}
	sort(v.begin(), v.end(), [&](pair<int, vector<int>> &a, pair<int, vector<int>> &b){ return a.second.size() > b.second.size(); });
	vector<int> ans(m + 1, -1);
	for(int i = 0; i < n; ++i){
		if(!v[i].second.size())continue;
		vector<int> cu;
		for(int j = 0; j < (int)v[i].second.size(); ++j){
			cu.push_back(ans[v[i].second[j]]);
			ans[v[i].second[j]] = i;
		}
		sort(cu.begin(), cu.end());
		if(cu[0] == cu.back())continue;
		else{
			cout << "YES\n";
			cout << v[i].first + 1 << ' ' << v[cu.back()].first + 1 << '\n';
			return 0;
		}
	}
	cout << "NO\n";
}