#include <iostream>
#include <vector>
#include <unordered_set>
using namespace std;
int main() {
int n, m, k, e;
vector<pair<int, int>> rules;
pair<int, int> r;
cin >> n >> m;
for (int i = 0; i < n; i++) {
cin >> r.first >> r.second;
rules.push_back(r);
}
for (int i = 0; i < m; i++) {
cin >> k;
bool isOk = true;
unordered_set<int> menu;
for (int j = 0; j < k; j++) {
cin >> e;
menu.insert(e);
}
for (const auto &p : rules) {
if (menu.find(p.first) != menu.end() && menu.find(p.second) != menu.end()) {
isOk = false;
break;
}
}
cout << (isOk ? "Yes" : "No") <<endl;
}
return 0;
}