#include<cstdio>
#include<vector>
using namespace std;
int light[1005];
int timp[1005];
vector<int> v[1005];
int main()
{
    freopen("aprindere.in","r",stdin);
    freopen("aprindere.out","w",stdout);
    int n,m,c,t,nr,a;
    scanf("%d%d",&n,&m);
    for(int i=0;i<n;i++)
        scanf("%d",&light[i]);
    for(int i=1;i<=m;i++)
    {
        scanf("%d%d%d",&c,&t,&nr);
        timp[c]=t;
        for(int j=1;j<=nr;j++)
        {
            scanf("%d",&a);
            v[c].push_back(a);
        }
    }
    int ans=0;
    for(int i=0;i<n;i++)
        if(light[i]==0)
        {
            if(v[i].empty())
            {
                printf("-1\n");
                return 0;
            }
            ans+=timp[i];
            for(vector<int>::iterator it=v[i].begin();it!=v[i].end();it++)
                light[*it]=1-light[*it];
        }
    printf("%d\n",ans);
    return 0;
}