#include <fstream>

std::ifstream f("balanta.in");
std::ofstream g("balanta.out");

const int NMAX = 1025;
int n,m,k,x,r,stanga[NMAX],dreapta[NMAX],usor[NMAX],greu[NMAX];

int main(){
    
    f >> n >> m;
    
    while(m--){
        
        f >> k;
        
        for(int i = 1;i <= n;++i)
            dreapta[i] = stanga[i] = 0;
        
        for(int i = 1;i <= k;++i){
            f >> x;
            stanga[x] = 1;
        }
        
        for(int i = 1;i <= k;++i){
            f >> x;
            dreapta[x] = 1;
        }
        
        f >> r;
        
        if(r == 0){
            
            for(int i = 1;i <= n;++i)
                if(stanga[i] || dreapta[i])
                    usor[i] = greu[i] = 1;
            
        }else if(r == 1){// stanga > dreapta
            
            for(int i = 1;i <= n;++i){
                if(stanga[i])usor[i] = 1;
                else if(dreapta[i])greu[i] = 1;
                else usor[i] = greu[i] = 1;
            }
        }else{// stanga < dreapta
            
            for(int i = 1;i <= n;++i){
                if(stanga[i])greu[i] = 1;
                else if(dreapta[i])usor[i] = 1;
                else greu[i] = usor[i] = 1;
            }
        }
    }
    
    int cnt = 0;
    int pos = 0;
    
    for(int i = 1;i <= n && cnt <= 1;++i)
        if(usor[i] == 0){
            cnt++;
            pos = i;
        }
    
    if(cnt == 1){
        g << pos;
        return 0;
    }
    
    cnt = pos = 0;
    
    for(int i = 1;i <= n && cnt <= 1;++i)
        if(greu[i] == 0){
            cnt++;
            pos = i;
        }
    
    if(cnt == 1){
        g << pos;
        return 0;
    }
    
    g << 0;
    
    return 0;
}