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