import java.io.*;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

public class Main {
    static List<Map<Integer, Integer>> graph = new ArrayList<>();
    static int[][] parents;
    static int[] depths;
    static long[] weights;
    static int[] dfs;
    static int current = 0;
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        for (int i = 0; i < n; i++) {
            graph.add(new HashMap<>());
        }
        for (int i = 0; i < n - 1; i++) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int c = sc.nextInt();
            graph.get(a).put(b, c);
            graph.get(b).put(a, c);
        }
        parents = new int[20][n];
        depths = new int[n];
        weights = new long[n];
        dfs = new int[n];
        setDepth(0, 0, 0, 0);
        for (int i = 1; i < 20; i++) {
            for (int j = 0; j < n; j++) {
                parents[i][j] = parents[i - 1][parents[i - 1][j]];
            }
        }
        int q = sc.nextInt();
        String result = IntStream.range(0, q).mapToObj(p -> {
            int k = sc.nextInt();
            List<Integer> list = IntStream.range(0, k)
                .map(i -> sc.nextInt()).boxed().sorted((a, b) -> dfs[a] - dfs[b]).toList();
            long ans = 0;
            for (int i = 0; i < k; i++) {
                ans += getLength(list.get(i), list.get((i + 1) % k));
            }
            return String.valueOf(ans / 2);
        }).collect(Collectors.joining("\n"));
        System.out.println(result);
    }
    
    static void setDepth(int idx, int p, int d, long v) {
        parents[0][idx] = p;
        depths[idx] = d;
        weights[idx] = v;
        dfs[idx] = current++;
        for (int x : graph.get(idx).keySet()) {
            if (x != p) {
                setDepth(x, idx, d + 1, v + graph.get(idx).get(x));
            }
        }
    }
    
    static long getLength(int a, int b) {
        return weights[a] + weights[b] - weights[getLCA(a, b)] * 2;
    }
    
    static int getLCA(int a, int b) {
        if (depths[a] < depths[b]) {
            return getLCA(b, a);
        }
        for (int i = 19; i >= 0; i--) {
            if (depths[a] - depths[b] >= (1 << i)) {
                a = parents[i][a];
            }
        }
        if (a == b) {
            return a;
        }
        for (int i = 19; i >= 0; i--) {
            if (parents[i][a] != parents[i][b]) {
                a = parents[i][a];
                b = parents[i][b];
            }
        }
        return parents[0][a];
    }
}
class Scanner {
    BufferedReader br;
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() {
        try {
            br = new BufferedReader(new InputStreamReader(System.in));
        } catch (Exception e) {
            
        }
    }
    
    public int nextInt() {
        return Integer.parseInt(next());
    }
    
    public long nextLong() {
        return Long.parseLong(next());
    }
    
    public double nextDouble() {
        return Double.parseDouble(next());
    }
    
    public String next() {
        try {
            while (!st.hasMoreTokens()) {
                st = new StringTokenizer(br.readLine());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            return st.nextToken();
        }
    }
    
}