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