| 107 | } |
| 108 | |
| 109 | public static void main(String[] args) throws IOException { |
| 110 | BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); |
| 111 | StreamTokenizer in = new StreamTokenizer(br); |
| 112 | PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out)); |
| 113 | in.nextToken(); |
| 114 | n = (int) in.nval; |
| 115 | in.nextToken(); |
| 116 | m = (int) in.nval; |
| 117 | for (int i = 1; i <= m; i++) { |
| 118 | in.nextToken(); |
| 119 | edge[i][0] = (int) in.nval; |
| 120 | in.nextToken(); |
| 121 | edge[i][1] = (int) in.nval; |
| 122 | in.nextToken(); |
| 123 | edge[i][2] = (int) in.nval; |
| 124 | } |
| 125 | in.nextToken(); |
| 126 | q = (int) in.nval; |
| 127 | k = 0; |
| 128 | for (int i = 1, s; i <= q; i++) { |
| 129 | in.nextToken(); |
| 130 | s = (int) in.nval; |
| 131 | for (int j = 1, ei; j <= s; j++) { |
| 132 | in.nextToken(); |
| 133 | ei = (int) in.nval; |
| 134 | queries[++k][0] = edge[ei][0]; |
| 135 | queries[k][1] = edge[ei][1]; |
| 136 | queries[k][2] = edge[ei][2]; |
| 137 | queries[k][3] = i; |
| 138 | } |
| 139 | } |
| 140 | prepare(); |
| 141 | compute(); |
| 142 | for (int i = 1; i <= q; i++) { |
| 143 | if (ans[i]) { |
| 144 | out.println("YES"); |
| 145 | } else { |
| 146 | out.println("NO"); |
| 147 | } |
| 148 | } |
| 149 | out.flush(); |
| 150 | out.close(); |
| 151 | br.close(); |
| 152 | } |
| 153 | |
| 154 | } |