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#include <bits/stdc++.h>
using namespace std;
set <int> graf[30007];
vector <pair <int, int> > wypisz;
vector <pair <int, int> > dodaj;
vector <int> do_usuniecia;
map <pair <int, int>, bool> k_ist;
map <pair <int, int>, bool> docelowe;
int wsk = 1;
int odw[30007];
void utworz_centrum (int x){
    odw[x] = wsk;
    if ((x != 1) && (!k_ist[{1, x}])){
        wypisz.push_back(make_pair(1, x));
        graf[1].insert(x);
        graf[x].insert(1);
        k_ist[{1, x}] = true;
        k_ist[{x, 1}] = true;
    }
    for (auto iter = graf[x].begin(); iter != graf[x].end(); ++iter){
        int v = *iter;
        if (odw[v] == wsk){
            continue;
        }
        utworz_centrum(v);
    }
}
void DFS (int x){
    odw[x] = wsk;
   // cout << "WCHODZE: " << x << "\n";
    for (auto iter = graf[x].begin(); iter != graf[x].end(); ++iter){
        int v = *iter;
        if (odw[v] != wsk){
            DFS(v);
        }
    }
    if (docelowe[{1, x}] == false && k_ist[{1, x}]){
        k_ist[{1, x}] = false;
        k_ist[{x, 1}] = false;
        wypisz.push_back(make_pair(-1, -x));
        graf[x].erase(1);
        graf[1].erase(x);
    }
   // cout << "WYCHODZE: " << x << "\n";
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m_akt, m_cel, a, b;
    cin >> n >> m_akt;
    for (int i = 0; i < m_akt; ++i){
        cin >> a >> b;
        graf[a].insert(b);
        graf[b].insert(a);
        k_ist[{a, b}] = true;
        k_ist[{b, a}] = true;
    }
    cin >> m_cel;
    for (int i = 0; i < m_cel; ++i){
        cin >> a >> b;
        docelowe[{a, b}] = true;
        docelowe[{b, a}] = true;
        if (k_ist[{a, b}] == false){
            dodaj.push_back(make_pair(a, b));
        }
    }
    wsk++;
    utworz_centrum(1);
    wsk++;
    for (int i = 0; i < (int)dodaj.size(); ++i){
        if (k_ist[{dodaj[i].first, dodaj[i].second}] == true){
            continue;
        }
        wypisz.push_back(make_pair(dodaj[i].first, dodaj[i].second));
        graf[dodaj[i].first].insert(dodaj[i].second);
        graf[dodaj[i].second].insert(dodaj[i].first);
        k_ist[{dodaj[i].first, dodaj[i].second}] = true;
        k_ist[{dodaj[i].second, dodaj[i].first}] = true;
    }
    for (int i = 2; i <= n; ++i){
        do_usuniecia.clear();
        for (auto iter = graf[i].begin(); iter != graf[i].end(); ++iter){
            int v = *iter;
            if (v != 1){
                if (docelowe[{i, v}] == false){
                    do_usuniecia.push_back(v);
                }
            }
        }
        for (int j = 0; j < (int)do_usuniecia.size(); ++j){
            graf[i].erase(do_usuniecia[j]);
            graf[do_usuniecia[j]].erase(i);
           // cout << "USUWAM: " << i << " " << do_usuniecia[j] << "\n";
           // cout << "USUWAM: " << do_usuniecia[j] << " " << i << "\n";
            wypisz.push_back(make_pair(-i, -do_usuniecia[j]));
        }
    }
    odw[1] = wsk;
    for (int i = 2; i <= n; ++i){
        if (docelowe[{1, i}] == true && odw[i] != wsk){
            DFS(i);
        }
    }
   // cout << "\n";
    cout << (int)wypisz.size() << "\n";
    for (int i = 0; i < (int)wypisz.size(); ++i){
        if (wypisz[i].first > 0){
            cout << '+' << " " << wypisz[i].first << " " << wypisz[i].second << "\n";
        }
        else{
            cout << '-' << " " << -wypisz[i].first << " " << -wypisz[i].second << "\n";
        }
    }
}