2
no smoking
2
1
3
4
1
1
8
2
3
4
5
2
2
0
2
2
4
1
1
2
2
1
1
0
1
3
1
4
3
4
0
1
1
2
0
1
17
1
2
2
2
6
3
1
1
0
2
2
2
