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