#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int n,m,dis[100005],par[100005],sz[100005],up[100005][17],mn[100005][17],tin[100005],tout[100005],timer;
struct data{
int x,y,z;
};
int fin(int v){
return v==par[v]?v:par[v]=fin(par[v]);
}
vector<pair<int,int>>g[100005];
void dfs(int v,int p,int val){
tin[v]=++timer;
up[v][0]=p;
mn[v][0]=val;
for(int i=1;i<17;i++){
up[v][i]=up[up[v][i-1]][i-1];
mn[v][i]=min(mn[v][i-1],mn[up[v][i-1]][i-1]);
}
for(auto to:g[v])if(to.first!=p)dfs(to.first,v,to.second);
tout[v]=++timer;
}
bool upper(int a,int b){
return tin[a]<=tin[b]&&tout[a]>=tout[b];
}
vector<data>edge,vec;
int lca(int a,int b){
if(upper(a,b))return a;
if(upper(b,a))return b;
for(int i=16;i>=0;i--)
if(!upper(up[a][i],b))a=up[a][i];
return up[a][0];
}
bool cmp(data l,data r){
return l.z>r.z;
}
int go(int v,int l){
int res=2e9;
for(int i=16;i>=0;i--){
if(!upper(v,l)){
res=min(res,mn[v][i]);
v=up[v][i];
}
}
res=min(res,mn[v][0]);
return res;
}
int run(int v,int l){
int res=2e9;
while(v!=l){
res=min(res,mn[v][0]);
v=up[v][0];
}
return res;
}
int main(){
scanf("%d%d",&n,&m);
while(m--){
data e;
scanf("%d%d%d",&e.x,&e.y,&e.z);
edge.push_back(e);
g[e.x].push_back({e.y,e.z});
g[e.y].push_back({e.x,e.z});
}
for(int i=1;i<=n;i++)dis[i]=2e9;
scanf("%d",&m);
priority_queue<pair<int,int>>q;
while(m--){
int x;
scanf("%d",&x);
dis[x]=0;
q.push({0,x});
}
while(!q.empty()){
int v=q.top().second;
int val=-q.top().first;
q.pop();
if(val>dis[v])continue;
for(auto to:g[v]){
if(dis[to.first]>val+to.second){
dis[to.first]=val+to.second;
q.push({-dis[to.first],to.first});
}
}
}
for(int i=1;i<=n;i++){
sz[i]=1,par[i]=i;
g[i].clear();
}
for(auto to:edge){
data e;
e=to;
e.z=min(dis[to.x],dis[to.y]);
vec.push_back(e);
}
sort(vec.begin(),vec.end(),cmp);
for(auto to:vec){
int x=fin(to.x);
int y=fin(to.y);
if(x!=y){
if(sz[x]<sz[y])swap(x,y);
sz[x]+=sz[y];
par[y]=x;
g[to.x].push_back({to.y,to.z});
g[to.y].push_back({to.x,to.z});
//cout<<to.x<<" "<<to.y<<" "<<to.z<<endl;
}
}
dfs(1,1,2e9);
scanf("%d",&m);
while(m--){
int x,y;
scanf("%d%d",&x,&y);
int l=lca(x,y);
//printf("%d\n",min(go(x,l),go(y,l)));
printf("%d\n",min(run(x,l),run(y,l)));
}
}
