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