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