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#include<fstream>
using namespace std;
ifstream f("balanta.in"); ofstream g("balanta.out");
int n,m,k,r,i,x,sh,sl,h[1025],l[1025],a[1025],b[1025];
int main()
{ f>>n>>m;
for(i=1;i<=n;i++) h[i]=l[i]=1;
while(m--)
{ f>>k;
for(i=1;i<=n;i++) a[i]=b[i]=0;
for(i=1;i<=k;i++) f>>x, a[x]=1;
for(i=1;i<=k;i++) f>>x, b[x]=1;
f>>r;
if(r==0) for(i=1;i<=n;i++) if(a[i] || b[i]) h[i]=0, l[i]=0;
if(r==1) for(i=1;i<=n;i++) h[i]*=a[i], l[i]*=b[i];
if(r==2) for(i=1;i<=n;i++) h[i]*=b[i], l[i]*=a[i];
}
for(i=1;i<=n;i++) sh+=h[i], sl+=l[i];
if(sh==1 && sl==0)
{ i=1;
while(!h[i]) i++;
g<<i<<'\n';
}
if(sh==0 && sl==1)
{ i=1;
while(!l[i]) i++;
g<<i<<'\n';
}
if(sh && sl) g<<"0\n";
g.close(); return 0;
}