2
no smoking
1
1
4
2
3
2
5
4
5
3
3
3
6
2
2
3
0
2
2
2
6
7
2
2
2
2
2
3
3
3
3
5
3
1
3
3
4
5
6
6
1
4
6
1
3
3
3
3
2
