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