class UnionFind:

    def __init__(self, n):
        self.n = n
        self.parent = [i for i in range(n)]
        self.size = [0] * n
        self.diff = [0] * n

    def find(self, x):
        if self.parent[x] == x:
            return x

        root = self.find(self.parent[x])
        self.diff[x] += self.diff[self.parent[x]]
        self.parent[x] = root
        return root

    def unite(self, a, b, weight=0):
        rx = self.find(a)
        ry = self.find(b)

        if self.size[rx] < self.size[ry]:
            self.parent[rx] = ry
            self.diff[rx] = weight - self.diff[a] + self.diff[b]
        else:
            self.parent[ry] = rx
            self.diff[ry] = - weight - self.diff[b] + self.diff[a]
            if self.size[rx] == self.size[ry]:
                self.size[rx] += 1

    def same(self, a, b):
        return self.find(a) == self.find(b)

    def cost(self, a, b):
        return self.diff[a] - self.diff[b]

inf = int(1e18) + 2525
n, m = map(int, input().split())
edge = [tuple(map(lambda x: int(x) - 1, input().split())) for _ in range(m)]
c = list(map(int, input().split()))
w = list(map(int, input().split()))

ufs = [UnionFind(n) for _ in range(2**10)]
ufc = [0] * 2**10

for bit in range(2**10):
    ok = [bit & (1<<i) for i in range(10)]
    for i in range(10):
        if ok[i]: ufc[bit] += w[i]

    for u, v in edge:
        if ok[c[u]-1] and ok[c[v]-1]:
            ufs[bit].unite(u, v)

q = int(input())
for _ in range(q):
    u, v = map(lambda x: int(x) - 1, input().split())
    ans = inf
    for bit in range(2**10):
        if ufs[bit].same(u, v):
            ans = min(ans, ufc[bit])

    print(-1 if ans == inf else ans)