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