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