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