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