#pragma GCC target("avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
// #include<ext/pb_ds/assoc_container.hpp>
// #include<ext/pb_ds/tree_policy.hpp>
// #include<ext/pb_ds/tag_and_trait.hpp>
// using namespace __gnu_pbds;
// #include<boost/multiprecision/cpp_int.hpp>
// namespace multiprecisioninteger = boost::multiprecision;
// using cint=multiprecisioninteger::cpp_int;
using namespace std;
using ll=long long;
using datas=pair<ll,ll>;
using ddatas=pair<long double,long double>;
using tdata=pair<ll,datas>;
using vec=vector<ll>;
using mat=vector<vec>;
using pvec=vector<datas>;
using pmat=vector<pvec>;
// using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>;
#define For(i,a,b) for(i=a;i<(ll)b;++i)
#define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i)
#define rep(i,N) For(i,0,N)
#define rep1(i,N) For(i,1,N)
#define brep(i,N) bFor(i,N,0)
#define brep1(i,N) bFor(i,N,1)
#define all(v) (v).begin(),(v).end()
#define allr(v) (v).rbegin(),(v).rend()
#define vsort(v) sort(all(v))
#define vrsort(v) sort(allr(v))
#define uniq(v) vsort(v);(v).erase(unique(all(v)),(v).end())
#define endl "\n"
#define popcount __builtin_popcountll
#define eb emplace_back
#define print(x) cout<<x<<endl
#define printyes print("Yes")
#define printno print("No")
#define printYES print("YES")
#define printNO print("NO")
#define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0)
#define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0)
constexpr ll mod=1000000007;
// constexpr ll mod=998244353;
constexpr ll inf=1LL<<60;
constexpr long double eps=1e-9;
const long double PI=acosl(-1);
template<class T,class E> ostream& operator<<(ostream& os,const pair<T,E>& p){return os<<"("<<p.first<<","<<p.second<<")";}
template<class T> ostream& operator<<(ostream& os,const vector<T>& v){
  os<<"{";bool f=false;
  for(auto& x:v){if(f)os<<",";os<<x;f=true;}
  os<<"}";
  return os;
}
template<class T> ostream& operator<<(ostream& os,const set<T>& v){
  os<<"{";bool f=false;
  for(auto& x:v){if(f)os<<",";os<<x;f=true;}
  os<<"}";
  return os;
}
template<class T,class E> ostream& operator<<(ostream& os,const map<T,E>& v){
  os<<"{";bool f=false;
  for(auto& x:v){if(f)os<<",";os<<x;f=true;}
  os<<"}";
  return os;
}
template<class T> inline bool chmax(T& a,T b){bool x=a<b;if(x)a=b;return x;}
template<class T> inline bool chmin(T& a,T b){bool x=a>b;if(x)a=b;return x;}
#ifdef DEBUG
void debugg(){cout<<endl;}
template<class T,class... Args>void debugg(const T& x,const Args&... args){cout<<" "<<x;debugg(args...);}
#define debug(...) cout<<__LINE__<<" ["<<#__VA_ARGS__<<"]:",debugg(__VA_ARGS__)
#else
#define debug(...) (void(0))
#endif

void startupcpp(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout<<fixed<<setprecision(15);
}

ll modinv(ll a,ll m=mod) {
  ll b=m,u=1,v=0,t;
  while(b){
    t=a/b;
    a-=t*b; swap(a,b);
    u-=t*v; swap(u,v);
  }
  return (u+m)%m;
}

ll moddevide(ll a,ll b){return (a*modinv(b))%mod;}

vec modncrlistp,modncrlistm;

ll modncr(ll n,ll r){
  if(n<r)return 0;
  ll i,size=modncrlistp.size();
  if(size<=n){
    modncrlistp.resize(n+1);
    modncrlistm.resize(n+1);
    if(!size){
      modncrlistp[0]=modncrlistm[0]=1;
      size++;
    }
    For(i,size,n+1)modncrlistp[i]=modncrlistp[i-1]*i%mod;
    modncrlistm[n]=modinv(modncrlistp[n]);
    for(i=n;i>size;--i)modncrlistm[i-1]=modncrlistm[i]*i%mod;
  }
  return modncrlistp[n]*modncrlistm[r]%mod*modncrlistm[n-r]%mod;
}

ll modpow(ll a,ll n,ll m=mod){
  if(n<0)return 0;
  ll res=1;
  while(n>0){
    if(n&1)res=res*a%m;
    a=a*a%m;
    n>>=1;
  }
  return res;
}

ll gcd(ll a,ll b){if(!b)return abs(a);return (a%b==0)?abs(b):gcd(b,a%b);}
ll lcm(ll a,ll b){return a/gcd(a,b)*b;}
struct HLD{
private:
  vector<vector<int>> g;
  int fdfs(int now,int p){
    int d=0;
    par[now]=p;
    for(size_t i=0;i+1<g[now].size();++i){
      if(g[now][i]==p)swap(g[now][i],g[now].back());
      if(chmax(d,fdfs(g[now][i],now)))swap(g[now][0],g[now][i]);
    }
    g[now].pop_back();
    return d+1;
  }
  void sdfs(int now){
    in[now]=ETlist.size();
    ETlist.emplace_back(now);
    for(size_t i=0;i<g[now].size();++i){
      nxt[g[now][i]]=i?g[now][i]:nxt[now];
      sdfs(g[now][i]);
    }
    out[now]=ETlist.size();
  }
public:
  // Heavy edge of i=[in[nxt[i]],in[i]]
  // sub tree of i=[in[i],out[i])
  vector<int> par,nxt,in,out,ETlist;
  HLD(vector<vector<int>> G,int first=0):g(G),par(G.size()),nxt(G.size()),in(G.size()),out(G.size()){
    ETlist.reserve(G.size());
    init(first);
  };
  HLD(int N):g(N),par(N),nxt(N),in(N),out(N){ETlist.reserve(N);};
  void add_edge(int a,int b){
    g[a].emplace_back(b);
    g[b].emplace_back(a);
  }
  void init(int first=0){
    {
      int d=0;par[first]=-1;
      for(auto& x:g[first])if(chmax(d,fdfs(x,first)))swap(x,g[first][0]);
    }
    nxt[first]=first;
    sdfs(first);
  }
  int lca(int a,int b){
    if(in[a]>in[b])swap(a,b);
    if(nxt[a]==nxt[b])return a;
    return lca(a,par[nxt[b]]);
  }
};
int N,K,A,B,C;
ll cost[1024][100002];
vector<vector<pair<int,int>>> g;
ll dfs(int bit,int now,int par=-1){
  for(auto x:g[now]){
    if(x.second==par)continue;
    chmin(cost[bit][x.second],cost[bit][now]+x.first);
    chmin(cost[bit][now],dfs(bit,x.second,now)+x.first);
  }
  return cost[bit][now];
}
int main(){
  startupcpp();
  int i,j;
  cin>>N>>K;
  g.reserve(N);
  g.resize(N);
  HLD hld(N);
  rep1(i,N){
    cin>>A>>B>>C;
    hld.add_edge(--A,--B);
    g[A].emplace_back(C,B);
    g[B].emplace_back(C,A);
  }
  hld.init();
  {
    vector<int> fly[10],flycost(K);
    rep(i,K){
      cin>>j>>flycost[i];
      fly[i].reserve(j);
      fly[i].resize(j);
      for(auto& x:fly[i]){cin>>x;--x;}
    }
    rep(i,1<<K){
      rep(j,N)cost[i][j]=inf;
      rep(j,K)if(i>>j&1){
        cost[i][N]+=flycost[j];
        for(auto x:fly[j])cost[i][x]=0;
      }
      dfs(i,0);
      dfs(i,0);
    }
    cost[0][0]=0;
    dfs(0,0);
  }
  int Q;
  cin>>Q;
  while(Q--){
    cin>>A>>B;
    --A;--B;
    ll ans=cost[0][A]+cost[0][B]-cost[0][hld.lca(A,B)]*2;
    rep(i,1<<K)chmin(ans,cost[i][A]+cost[i][B]+cost[i][N]);
    print(ans);
  }
}