#include <bits/stdc++.h>
#define pb push_back
#define sz(v) (int)v.size()
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define x first
#define y second
#define int long long
#define nl "\n"
using namespace std;
typedef long long ll;
typedef pair<long long, long long> pll;
typedef pair <ll, ll> pii;
const int N = (int)3e5 + 7;
const int M = (int)7e6 + 7;
const ll MOD = (ll)1e9 + 7;
const int inf = (int)1e9 + 7;
const ll INF = (ll)3e18 + 7;
pii dir[] = {{-1, -1}, {1, 1}, {-1, 1}, {1, -1}};
int n, m, k, Q, d[N];
vector<pii> g[N];
void solve() {
cin >> n >> m;
for(int i = 1; i <= m; ++i) {
int u, v, w;
cin >> u >> v >> w;
g[u].pb({v, w});
g[v].pb({u, w});
}
cin >> k;
for(int i = 1; i <= n; ++i) d[i] = INF;
set<pii> q;
for(int i = 1; i <= k; ++i) {
int x;
cin >> x;
d[x] = 0;
q.insert({0, x});
}
while(!q.empty()) {
int v = (*q.begin()).y;
q.erase(q.begin());
for(auto [to, w] : g[v]) {
if(d[v] + w < d[to]) {
q.erase({d[to], to});
d[to] = d[v] + w;
q.insert({d[to], to});
}
}
}
cin >> Q;
while(Q--) {
int u, v;
cin >> u >> v;
cout << min(d[u], d[v]) << nl;
}
}
signed main() {
ios_base::sync_with_stdio(NULL);
cin.tie(0);
cout.tie(0);
int test = 1;
//cin >> test;
for(int i = 1; i <= test; ++i) {
//cout << "Case " << i << ": ";
solve();
}
return 0;
}
