2
no smoking
0
4
2
2
5
1
2
3
5
1
4
2
5
2
2
6
12
3
6
3
4
5
1
8
2
2
1
1
4
2
3
2
5
4
3
5
3
3
3
6
2
2
3
0
2
2
2
6
7
