#include <iostream>
#include <bits/stdc++.h>
#include <cmath>
#include <algorithm>
#include <vector>
#include <deque>
#include <set>
#include <stack>
#include <string>
#include <map>
#include <queue>
using namespace std;
const long long oo = 1000000000000000000;
long long int sum, ans = 0, mx = 0, mn = 1000000000, num, pos;
/*
ViHHiPuh
(( `'-""``""-'` ))
)-__-_.._-__-(
/ --- (o _ o) --- \
\ .-* ( .0. ) *-. /
_'-. ,_ '=' _, .-'_
/ `;#'#'# - #'#'#;` \
\_)) -----'#'----- ((_/
# --------- #
'# ------- ------ #'
/..-'# ------- #'-.\
_\...-\'# -- #'/-.../_
((____)- '#' -(____))
cout << fixed << setprecision(6) << x;
freopen ( "sum.in", "r", stdin )
*/
int d[ 100001 ], p[ 100001 ], dp[ 100001 ][ 20 ], col[ 100001 ];
queue <int> q;
set <pair<int, int> > st;
vector <pair<int, int> > v[ 100001 ], vv;
map <pair<int, int>, int> answer, mp;
map <int, int> dd;
int main () {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int n, m;
cin >> n >> m;
int x, y, z;
for ( int i = 1; i <= m; i ++ ) {
cin >> x >> y >> z;
v[ x ].push_back( { y, z } );
v[ y ].push_back( { x, z } );
}
for ( int i = 1; i <= n; i ++ )
d[ i ] = mn;
int k;
cin >> k;
int a;
for ( int i = 1; i <= k; i ++ ) {
cin >> a;
q.push( a );
d[ a ] = 0;
}
while ( q.size() ) {
num = q.front();
q.pop();
for ( auto to : v[ num ] ) {
if ( d[ to.first ] > d[ num ] + to.second ) {
d[ to.first ] = d[ num ] + to.second;
q.push( to.first );
}
}
}
for ( int i = 1; i <= n; i ++ ) {
if ( d[ i ] > mx ) {
mx = d[ i ];
pos = i;
}
}
dd[ pos ] = d[ pos ];
st.insert( { d[ pos ], pos } );
while ( st.size() ) {
num = st.rbegin()->second;
st.erase( --st.end() );
for ( auto to : v[ num ] ) {
if ( dd[ to.first ] < min( dd[ num ], d[ to.first ] ) ) {
st.erase( { dd[ to.first ], to.first } );
dd[ to.first ] = min( dd[ num ], d[ to.first ] );
st.insert( { dd[ to.first ], to.first } );
}
}
}
int qq;
cin >> qq;
int l, r;
while ( qq -- ) {
cin >> l >> r;
cout << min( dd[ l ], dd[ r ] ) << "\n";
}
}
/*
9 12
1 9 4
1 2 5
2 3 7
2 4 3
4 3 6
3 6 4
8 7 10
6 7 5
5 8 1
9 5 7
5 4 12
6 8 2
2
4 7
5
1 6
5 3
4 8
5 8
1 5
*/
