#line 2 "library/template/template.hpp"
#include <bits/stdc++.h>
#line 3 "library/template/macro.hpp"

#define all(x) std::begin(x), std::end(x)
#define rall(x) std::rbegin(x), std::rend(x)
#define elif else if
#define updiv(N, X) (((N) + (X) - (1)) / (X))
#define sigma(a, b) ((a + b) * (b - a + 1) / 2)
#define INT(...)     \
    int __VA_ARGS__; \
    scan(__VA_ARGS__)
#define LL(...)     \
    ll __VA_ARGS__; \
    scan(__VA_ARGS__)
#define STR(...)        \
    string __VA_ARGS__; \
    scan(__VA_ARGS__)
#define CHR(...)      \
    char __VA_ARGS__; \
    scan(__VA_ARGS__)
#define DOU(...)        \
    double __VA_ARGS__; \
    scan(__VA_ARGS__)
#define LD(...)     \
    ld __VA_ARGS__; \
    scan(__VA_ARGS__)
#define pb push_back
#define eb emplace_back
#line 3 "library/template/alias.hpp"

using ll = long long;
using ld = long double;
using pii = std::pair<int, int>;
using pll = std::pair<ll, ll>;
constexpr int inf = 1 << 30;
constexpr ll INF = 1LL << 60;
constexpr int dx[8] = {1, 0, -1, 0, 1, -1, 1, -1};
constexpr int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1};
constexpr int mod = 998244353;
constexpr int MOD = 1e9 + 7;
#line 3 "library/template/func.hpp"

template <typename T>
inline bool chmax(T& a, T b) { return ((a < b) ? (a = b, true) : (false)); }
template <typename T>
inline bool chmin(T& a, T b) { return ((a > b) ? (a = b, true) : (false)); }
template <typename T, typename U>
std::ostream &operator<<(std::ostream &os, const std::pair<T, U> &p) {
    os << p.first << " " << p.second;
    return os;
}
template <typename T, typename U>
std::istream &operator>>(std::istream &is, std::pair<T, U> &p) {
    is >> p.first >> p.second;
    return is;
}
template <typename T>
std::ostream &operator<<(std::ostream &os, const std::vector<T> &v) {
    for (auto it = std::begin(v); it != std::end(v);) {
        os << *it << ((++it) != std::end(v) ? " " : "");
    }
    return os;
}
template <typename T>
std::istream &operator>>(std::istream &is, std::vector<T> &v) {
    for (T &in : v) {
        is >> in;
    }
    return is;
}
inline void scan() {}
template <class Head, class... Tail>
inline void scan(Head &head, Tail &...tail) {
    std::cin >> head;
    scan(tail...);
}
template <class T>
inline void print(const T &t) { std::cout << t << '\n'; }
template <class Head, class... Tail>
inline void print(const Head &head, const Tail &...tail) {
    std::cout << head << ' ';
    print(tail...);
}
template <class... T>
inline void fin(const T &...a) {
    print(a...);
    exit(0);
}
#line 3 "library/template/util.hpp"

struct IOSetup {
    IOSetup() {
        std::cin.tie(nullptr);
        std::ios::sync_with_stdio(false);
        std::cout.tie(0);
        std::cout << std::fixed << std::setprecision(12);
        std::cerr << std::fixed << std::setprecision(12);
    }
} IOSetup;
#line 3 "library/template/debug.hpp"

#ifdef LOCAL
#include <debug_print.hpp>
#else
#define debug(...)
#endif
#line 8 "library/template/template.hpp"
using namespace std;
#line 3 "library/data-structure/union-find.hpp"

struct UnionFind {
    vector<int> par;

    UnionFind() {}
    explicit UnionFind(int n) : par(n, -1) {}
    void init(int n) { par.assign(n, -1); }

    int root(int x) {
        if (par[x] < 0)
            return x;
        else
            return par[x] = root(par[x]);
    }

    bool issame(int x, int y) { return root(x) == root(y); }

    bool unite(int x, int y) {
        x = root(x);
        y = root(y);
        if (x == y) return false;
        if (par[x] > par[y]) swap(x, y);
        par[x] += par[y];
        par[y] = x;
        return true;
    }

    int size(int x) { return -par[root(x)]; }

    vector<vector<int>> groups() {
        vector<vector<int>> member(par.size());
        for (int v = 0; v < (int)par.size(); ++v) {
            member[root(v)].push_back(v);
        }
        vector<vector<int>> res;
        for (int v = 0; v < (int)par.size(); ++v) {
            if (!member[v].empty()) res.push_back(member[v]);
        }
        return res;
    }
};
#line 3 "B.cpp"

int main() {
    INT(N, M);
    vector<vector<int>> G(N, vector<int>(0));
    for (int i = 0; i < M; i++) {
        INT(a, b);
        a--;
        b--;
        G[a].push_back(b);
        G[b].push_back(a);
    }
    vector<int> C(N);
    vector<int> W(10);
    scan(C, W);
    for (int i = 0; i < N; i++) {
        C[i]--;
    }
    vector<UnionFind> ufs(1 << 10, UnionFind(N));
    for (int bit = 0; bit < (1 << 10); bit++) {
        set<int> S;
        for (int i = 0; i < 10; i++) {
            if ((1 << i) & bit) {
                S.insert(i);
            }
        }
        for (int i = 0; i < N; i++) {
            for (auto &j : G[i]) {
                if (S.count(C[i]) && S.count(C[j])) {
                    ufs[bit].unite(i, j);
                }
            }
        }
    }
    INT(Q);
    while (Q--) {
        ll ans = INF;
        INT(u, v);
        u--;
        v--;
        for (int bit = 0; bit < (1 << 10); bit++) {
            if (ufs[bit].issame(u, v)) {
                ll res = 0;
                for (int j = 0; j < 10; j++) {
                    if ((1 << j) & bit) {
                        res += W[j];
                    }
                }
                chmin(ans, res);
            }
        }
        if (ans == INF) {
            print(-1);
        } else {
            print(ans);
        }
    }
}