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