#include <iostream>
#include <fstream>
#include <vector>

using namespace std;

int main(){
	ifstream f("aprindere.in");
	ofstream g("aprindere.out");

	vector <int> v[1005];
	int n, m, s = 0;
	bool st[1005];

	f >> n >> m;
	for (int i = 0; i < n; ++i)
		f >> st[i];

	for (int i = 0; i < m; ++i){
		int x, y, z;
		f >> x >> y;
		v[x].push_back(y);
		f >> y;
		for (int j = 0; j < y; ++j){
			f >> z;
			v[x].push_back(z);
		}
	}

	for (int i = 0; i < n; ++i) 
		if (st[i] == 0){
			s += v[i][0];
			int x = v[i].size();
			for (int j = 1; j < x; ++j){
				st[v[i][j]] = !st[v[i][j]];
			}
		}

	g << s;

	f.close();
	g.close();

	return 0;
}