#include<bits/stdc++.h>
using namespace std;
int n,m,k,q;
int npp[10000];
vector<pair<int,int>> edges[100000];
//int sp[10000];
vector<int> sp(1000,INT_MAX);
void dijkstra(int start)
{
// printf("Dijkstra %d: ",start);
priority_queue<pair<int,int>> q;
vector<int> dist(n+1,INT_MAX);
q.push({0,start});
dist[start]=0;
sp[start]=0;
while(!q.empty())
{
// printf("in while: %d->%d \n",q.top().second,q.top().first);
int curr=q.top().second;
int currDist=-q.top().first;
q.pop();
if(dist[curr]<currDist) continue;
for(auto edge:edges[curr])
{
int next=edge.first;
int weight=edge.second;
if(dist[curr]+weight<dist[next])
{
dist[next]=dist[curr]+weight;
sp[next]=min(sp[next],dist[next]);
q.push({-dist[next],next});
}
}
}
/* printf("Dijkstra %d: ",start);
for(int i=0;i<=n;i++)
{
printf("%d:%d ",i,dist[i]);
}
printf("\n");
*/
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
// scanf("%d%d",&n,&m);
cin>>n>>m;
// fill_n(a,INT_MAX,n+1);
int ai,bi,wi;
for(int i=0;i<m;i++)
{
// scanf("%d%d%d",&ai,&bi,&wi);
cin>>ai>>bi>>wi;
edges[ai].push_back({bi,wi});
edges[bi].push_back({ai,wi});
}
// scanf("%d",&k);
cin>>k;
for(int i=0;i<k;i++)
{
//scanf("%d",&npp[i]);
cin>>npp[i];
dijkstra(npp[i]);
}
//scanf("%d",&q);
cin>>q;
int si,ti;
for(int i=0;i<q;i++)
{
// scanf("%d%d",&si,&ti);
cin>>si>>ti;
printf("%d\n",min(sp[si],sp[ti]));
}
/* for(int i=0;i<=n;i++)
{
printf("%d ",sp[i]);
}*/
}
