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