#include <bits/stdc++.h>
#define all(vec) vec.begin(), vec.end()
#define ll long long
#define db double
#define pb push_back
#define pf push_front
#define newl "\n"
#define fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define f first
#define s second
#define MOD 1000000007
using namespace std;
vector <pair <ll, ll>> gr[100005];
unordered_map <ll, ll> fin, dist;
unordered_map <ll, bool> nuc, vis;
void near(ll beg, ll p)
{
priority_queue <pair <ll, ll>, vector <pair <ll, ll>>, greater <pair <ll, ll>>> pq;
pq.push({0, beg});
if (vis.size()) vis.clear();
while (pq.size())
{
ll c = pq.top().s, len = pq.top().f;
pq.pop();
if (!vis[c])
{
if (nuc[c]) fin[p] = min(fin[p], len);
vis[c] = true;
for (auto v : gr[c])
{
pq.push({len + v.f, v.s});
}
}
}
}
ll dj(ll beg, ll nd)
{
priority_queue <pair <ll, ll>> d;
d.push({fin[beg], beg});
if (vis.size()) vis.clear();
while (d.size())
{
ll c = d.top().s, len = d.top().f;
d.pop();
if (!vis[c])
{
if (c == nd) return len;
vis[c] = true;
for (auto v : gr[c])
{
d.push({min(len, fin[v.s]), v.s});
}
}
}
}
int main()
{
fast
//setIO("");
//freopen("filename.in", "r", stdin);
//freopen("filename.out", "w", stdout);
ll n, m; cin >> n >> m;
for (ll i = 1; i <= m; i++)
{
ll x, y, len;
cin >> x >> y >> len;
gr[x].pb({len, y});
gr[y].pb({len, x});
}
ll k; cin >> k;
for (ll i = 1; i <= k; i++)
{
ll idx; cin >> idx;
nuc[idx] = true;
}
for (ll i = 1; i <= n; i++)
{
fin[i] = 1e18;
if (!nuc[i]) near(i, i);
}
for (ll i = 1; i <= n; i++)
{
if (nuc[i]) fin[i] = 0;
}
//cout << newl;
ll q; cin >> q;
while (q--)
{
ll x, y; cin >> x >> y;
cout << dj(x, y) << newl;
}
/*cout << newl;
for (ll i = 1; i <= n; i++)
{
if (!nuc[i]) cout << "City: " << i << " Dist: " << fin[i] << newl;
}*/
}
