#include <bits/stdc++.h>

using namespace std;

vector<int> a[200005];
vector<int> same[1000005];

bool is_included(const vector<int>& a, const vector<int>& b)
{
    int j=0;
    for (int i=0;i<a.size();i++)
    {
        while (j < b.size() && a[i] != b[j])
            j++;
        if (j == b.size())
            return false;
    }
    return true;
}

int main()
{
    ios::sync_with_stdio(false); cin.tie(0);

    int n, m;
    cin >> n >> m;
    for (int i=1;i<=n;i++)
    {
        int k;
        cin >> k;
        for (int j=0;j<k;j++)
        {
            int x;
            cin >> x;
            a[i].push_back(x);
            same[x].push_back(i);
        }
        sort(a[i].begin(), a[i].end());
    }
    for (int i=1;i<=m;i++)
    {
        sort(same[i].begin(), same[i].end(), [](int x, int y) {
            return a[x].size() < a[y].size();
        });
        for (int j=1;j<same[i].size();j++)
        {
            if (!is_included(a[same[i][j-1]], a[same[i][j]]))
            {
                cout << "YES\n";
                cout << same[i][j-1] << ' ' << same[i][j] << '\n';
                exit(0);
            }
        }
    }
    cout << "NO\n";
    return 0;
}